Epson Stylus Pro 4400 Service Manual
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Epson Stylus Pro 4400 Service Manual

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Table Of Contents
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Table of Contents

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See also: Reference Manual , Setup Manual

SERVICE MANUAL

Color Large Format Inkjet Printer
EPSON Stylus Pro 4400/4450/4800
4880/4880C
SEIJ04008

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Summary of Contents for Epson Stylus Pro 4400

  • Page 1: Service Manual

    SERVICE MANUAL Color Large Format Inkjet Printer EPSON Stylus Pro 4400/4450/4800 4880/4880C SEIJ04008...
  • Page 2 The contents of this manual are subject to change without notice. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.
  • Page 3 2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.

  • Page 4: About This Manual

    CHAPTER 6.MAINTENANCE Provides preventive maintenance procedures and the lists of May indicate an operating or maintenance procedure, practice or Epson-approved lubricants and adhesives required for servicing condition that is necessary to accomplish a task efficiently. It may the product. also provide additional information that is related to a specific...
  • Page 5 Revision Status Revision Date of Issue Description Jun. 2, 2005 First release May. 25, 2007 Revised contents: [Chapter 3] Recovery (p.163) was changed. [Chapter 5] • Procedures were partially changed in 5.1.4 Adjustment Items classified by Part/Unit (p.368). • 5.8 Installing Firmware for SP 4400 (4-color model) after replacing Main Board with New one (p.445) was added. September.

  • Page 6: Table Of Contents

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Contents Chapter 1 Product Description 1.6.2 IEEE1394 Interface .................. 107 1.6.3 Optional Interface ..................108 1.1 Product Description ..................... 10 1.6.4 Supplements....................110 1.1.1 Comparison with Stylus Pro 4000 .............. 10 1.7 Optional Units and Consumables ..............111 1.1.2 Features.......................

  • Page 7: Table Of Contents

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Chapter 3 Troubleshooting Chapter 5 Adjustment 3.1 Outline ....................... 157 5.1 Overview ......................367 3.1.1 Check Before Troubleshooting..............157 5.1.1 Cautions ....................367 3.1.2 Narrow Down the Trouble................ 157 5.1.2 Advance of Adjustment ................367 5.1.3 The Part/Unit that Requires Adjustment ..........

  • Page 8: Table Of Contents

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.4 Advanced Adjustment ..................430 Chapter 6 Maintenance 5.4.1 Auto Bi-d Adjustment................430 6.1 Overview ......................449 5.4.2 Manual Bi-D Adjustment ................. 431 6.1.1 Product Life Information ................450 5.4.3 Destination Setting..................434 6.1.2 Important Maintenance Items During Service Operations ....... 450 5.4.4 PF Micro Feed Adjustment (Bi-D) (TBD) ..........
  • Page 9 C H A P T E R PRODUCT DESCRIPTION...

  • Page 10: Product Description

    The Stylus Pro 4400/4450/4800/4880/4880C is a large-format printer based on the Stylus Pro 4000. The Stylus Pro 4800/4880/4880C is the exclusive model for 8-color inks and the Stylus Pro 4400/4450 is the exclusive model for 4-color inks. The following table shows the major changes from the Stylus Pro 4000.

  • Page 11: Features

    (dpi) time *print only) Stylus Pro 4400/4800 8-color Plain Economy VSD1 360 x 360 1.5 min. Paper Table 1-2. Throughput (Stylus Pro 4400/4800) Speed VSD1 360 x 360 2.4 min. Quality VSD2 720 x 360 2.8 min. Throughput EPSON...
  • Page 12 High image quality made by various layers of 8-color ink, 2880 x 1440 dpi*, and minimum of 3.5 pl. Note *: Stylus Pro 4800/4880/4880C only. 1440 x 720 dpi for Stylus Pro 4400/4450. Low Running Cost Independent for each color and 110ml ink cartridge...

  • Page 13: Basic Specifications

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.2 Basic Specifications Nozzle pitch 0.141 mm (1/180 inch) for each color Ink Set Configuration 1.2.1 Print Specifications Table 1-5. Ink Set Configuration Printing On-demand ink-jet Mode Name 1-row 2-row 3-row 4-row 5-row 6-row 7-row 8-row...

  • Page 14: Character Specification

    PC 437 (Alphanumeric characters extension graphics) Rear Manual Feed Font Loads automatically from rear manual feed opening. EPSON original font – Alphanumeric character Courier Front Manual Feed Loads automatically from front manual feed opening. Roll Paper Feed 1.2.3 Control Code Sets spindle to rear roll-paper holder.

  • Page 15: Paper Specification

    Borderless print for right and left is assured with following paper width roll paper. CONTAINABLE PAPER Borderless Print Width The printer accepts following plain paper and EPSON special paper. It is not Table 1-7. Borderless Print Width assured feeding and print quality with any other paper except them. 8"...
  • Page 16 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.2.6.2 Cut Sheet PLAIN PAPER It is assured feeding only with following specifications. CONTAINABLE PAPER Paper Size : Identical to Table 1-8 "Cut Sheet Size (Containable The printer accepts following plain paper and special paper. It is not assured Paper)"(p16).

  • Page 17: Special Paper

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.2.6.3 Special Paper Cut Sheet Table 1-10. Availability with Cut Sheet Media Size Cut Sheet US-A Arch.A Arch.B Super 8"x10" 11"x14" US-B 400x600 US-C 9x12" 12x18" A3/B (mm) Name 203x279 210x297 216x279 229x305 254x364 279x356 297x420 279x432 305x457 329x483 400x600 420x594 432x559 Premium Ink Jet Plain Paper (Xerox 4024) –...
  • Page 18 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Roll Paper Table 1-11. Availability with Roll Sheet Media Size Roll Paper Cutter 10" 30cm 12" 14" 40cm 16" 17" Core" Auto Spindle (mm) 431.6 Name Manual Bright White Inkjet Paper § – –...

  • Page 19: Mechanism Specifications

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.2.7 Mechanism Specifications For borderless print, right and left surplus printable area is maximum 3mm on the home position side and maximum 5mm on the other side distance 1.2.7.1 Printable Area from paper edge to platen (sponge width) is less than 3mm, the maximum surplus print quantity not on platen (0mm~3mm) is printable area.
  • Page 20 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.2.7.2 Borderless Print Specification Borderless setting method By driver's command transmission, supports the following borderless print Table 1-14. Borderless setting mode. Supports the following 3 modes. Right and left 4 sides borderless 4 sides borderless...
  • Page 21 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Borderless Print Assurance Conditions 1.2.7.4 Cut Specification Borderless print is assured under the following conditions. There are two types, auto cut and manual cut for roll paper cutting. Temperature condition: 15 to 25 degrees C, 40 to 60%...

  • Page 22: Electrical Specification

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.2.8 Electrical Specification MANUAL CUT FOR ROLL PAPER Rated voltage: AC 100 ~ 240V When using paper for which automatic cutting is prohibited, use manual cut with the steps below. Input voltage range: AC 90 ~ 264V 1.

  • Page 23: Reliability

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.2.9 Reliability 1.2.10 Environmental Conditions 1.2.10.1 Temperature/Humidity PRINTER LIFE Table 1-17. Temperature/Humidity Approx. 20,000 pages (A2, plain paper, , 720 x 360 FOL, Bi-D) quality Condition Temperature Humidity AVERAGE CUTTER LIFE During operation 10 ~ 35°C...
  • Page 24 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.2.10.2 Vibration 1.2.10.4 Surrounding Space During operation: 0.15G, 10-55Hz X, Y, Z directions Provide the printer with an enough surrounding space to ensure proper installation of accessories and replacement of consumables and easy work for During storage: 0.50G, 10-55Hz X, Y, Z directions...

  • Page 25: Quality Standards For Completed Products

    (* until initial ink charge is finished after the ink lever is lowered) MTBF (MEAN TIME BETWEEN FAILURES) Figure 1-4. Overall Dimensions of Stylus Pro 4400/4450/4800/4880/4880C 20,000 hours with power on (except when electronic parts and fans have any malfunction)

  • Page 26: Accessories

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.2.13 Accessories Special Consumables Ink cartridge (8-color) Stylus Stylus Pro 4400/4450/4800/4880/4880C accessories and options are • Stylus Pro 4800 shown below. Table 1-18. Ink Cartridge (Stylus Pro 4800) Standard Accessories Manual set Model Number...
  • Page 27 • Stylus Pro 4400 2/3 inch Dual Roll Feed Spindle (C12C811171) 2/3 inch Dual Roll Feed Spindle (High Tension) (C12C811191) Table 1-20. Ink Cartridge (Stylus Pro 4400) Roll Paper Belt (C12C890121) Model Number EpsonNet 10/100 BASE RX High Speed Int. Print Server...

  • Page 28: External View And Parts Names

    (Left side) IEEE1394 Interface USB Interface AC Inlet Figure 1-5. External View and Parts Names (Stylus Pro 4400/4800) NOTE: 4-color model is equipped with a cover instead of the ink cartridge box (right). Product Description External View and Parts Names...
  • Page 29 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Stylus Pro 4450/4880/4880C Paper Cover Printer Cover Spindle Paper Set Lever Control Panel Ink Cartridge Box (Right side) Ink Cartridge Box ASF Cassette Maintenance Tank (Left side) Network Interface USB Interface AC Inlet Figure 1-6. External View and Parts Names (Stylus Pro 4450/4880/4880C) 4-color model is equipped with a cover instead of the ink cartridge box (right).

  • Page 30: Operating Panel

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4 Operating Panel 1.4.1.1 LED Panel LED types are the following 3 types. The LEDs indicate printer status as follows. 1.4.1 Buttons and Functions Table 1-22. LED Paper Source / Paper Cut Pause LED...
  • Page 31 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.1.2 Switch Table 1-23. Panel Functions and Switch Operation Function Function Function Switch (In panel setting) (+ Power ON) Single 3 sec. push Power Power ON/OFF — — — Pause Pause / Switch Print...
  • Page 32 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-23. Panel Functions and Switch Operation Function Function Function Switch (In panel setting) (+ Power ON) Single 3 sec. push Pause Switches Stop ↔ Operation of remaining paper detection during standby Select paper type / Paper Cut [<] Select paper type / Paper Cut [<]...

  • Page 33: Panel Display

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.2 Panel Display 1.4.2.1 Panel Display in Operation (LCD and LED Display) Note : Explanation for signs in LCD display : Function can be executed. : Function cannot be executed. Release : Release error and pause status Start : Paper initialization start.
  • Page 34 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-24. Panel Display LED Display Panel key Function Printer Status LCD Display Paper Paper Cut/Eject Menu Pause Pause Reset Check Check Select Paper Shift Cleaning Initial cutting CUTTING Blink — Waiting for paper initializing PRESS PAUSE —...
  • Page 35 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-24. Panel Display LED Display Panel key Function Printer Status LCD Display Paper Paper Cut/Eject Menu Pause Pause Reset Check Check Select Paper Shift Cleaning Wrong roll paper path LOAD ROLL PAPER —...
  • Page 36 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-24. Panel Display LED Display Panel key Function Printer Status LCD Display Paper Paper Cut/Eject Menu Pause Pause Reset Check Check Select Paper Shift Cleaning No ink cartridge NO INK CRTG — Maintenance tank full MNT TNK FULL —...
  • Page 37 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Note *1: Thick paper is not available. *21: displayed if remote ink commands differ from the ink type of this printer (8 color/ 4 color) *2: The status becomes no ink or maintenance tank full according to the remaining amount of ink when cleaning is executed.
  • Page 38 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.2.2 Paper Type Icon Display Ink remaining display The paper type which is recognized automatically when setting the paper and Remaining Ink is set by paper select switch are displayed on LCD. 100 ~ 81% remained...

  • Page 39: Job Information

    *2: Currently the code is fixed as 00h 00h, treated as Reserve. Saving No. 0 ~ 9 *3: Returned for each ink cartridge in the sorting order. For Stylus Pro 4400/4450, xx3-xx4 ID No. 0 ~ 65535 (0 is not available.) Null is returned to slot 5 to 8.

  • Page 40: Panel Setting

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4 Panel Setting Termination The printer enters the menu shift available status when the [Pause] 1.4.4.1 Outline button is pushed once in the Panel setting mode. The printer enters the menu shift available status when the [Select Startup paper type] button is pushed once in setting menu select mode.
  • Page 41 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Panel display Level structure of Printer setting menu [< / >] PRINTER SETUP Level structure of Setting menu PRINTER SETUP PRINTER SETUP TIME OUT ROLL COUNTER [< / >] READY [<] [∧ / ∨]] PRINTER SETUP [<...
  • Page 42 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Level structure of Test print menu Level structure of Printer status menu [< / >] [< / >] PRINTER STATUS TEST PRINT PRINTER STATUS TEST PRINT VERSION NOZZLE CHECK [∧ / ∨] [∧ / ∨]...
  • Page 43 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Level structure of User Paper Setup Menu Level structure of Maintenance menu [< / >] [< / >] CUSTOM PAPER MAINTENANCE CUSTOM PAPER MAINTENANCE PAPER NUMBER CUTTER REPL [∧ / ∨] [∧ / ∨]...

  • Page 44: Panel Setting Menu Item

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.2 Panel Setting Menu Item Table 1-26. Panel Setting Menu Item Top menu Item menu Panel display Setup value (Underline: Default) Ref. (Panel display) SET ROLL LENGTH --,15~60~300ft Roll Paper ROLL COUNTER SET ROLL ALERT...
  • Page 45 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-26. Panel Setting Menu Item Top menu Item menu Panel display Setup value (Underline: Default) Ref. (Panel display) 1st row MK xxxxxxxPG * PK xxxxxxPG * 2nd row C xxxxxxxPG * 3rd row...
  • Page 46 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-26. Panel Setting Menu Item Top menu Item menu Panel display Setup value (Underline: Default) Ref. (Panel display) CUTTER XXXXXXX Cutter life p.70 (E* F, E** F, E*** F, E****F, E*****F) CR MOTOR XXXXXXX CR motor life p.70...
  • Page 47 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-26. Panel Setting Menu Item Top menu Item menu Panel display Setup value (Underline: Default) Ref. (Panel display) ∼ ∼ #1 C p.79 ∼ ∼ #1 LLK ∼ ∼ UNI-D * #2 C...

  • Page 48: Remaining Paper Detection

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.3 Remaining paper detection Level structure of remaining cut sheet menu This mode displays remaining counter of roll paper length / number of cut sheet which is set by a user, and can display a warning message when it reaches the near end setting value which is also set by the user.
  • Page 49 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.4 PG Setting The relationship between panel setting, command setting (SN command), and actual platen gap position Executing this mode allows the user to set the width of platen gap. Table 1-28. Relationships of PG Setting Values If paper type other than standard is selected in user paper setting menu, PG specified in user paper setting has the priority.
  • Page 50 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-28. Relationships of PG Setting Values 1.4.4.5 Page Lines Paper Selecting this mode allows the user to set the page line print mode. Setup is Actual PG thickness Panel SN command the same as horizontal lines ON command (AC 02H 00H 00H 02H) in...
  • Page 51 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.6 Interface Select 1.4.4.7 Code Page Switching Selecting this mode allows selection of the automatic interface selection, USB, Selecting this mode allows the code page switch between PC437 and PC850. 1394, or optional interface.
  • Page 52 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.8 Roll Paper Margin Roll Paper Width X Setting this panel allows switching roll paper margin, all sides 3mm / all sides 15mm / top and bottom 15mm, right and left 3mm / top and bottom 25mm, right X (*) and left 3mm.
  • Page 53 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C NOTE 1: The top margin is also set with "Set the paper top margin" (SN 1.4.4.9 Paper Width Detection command). Actual top margin is decided as following; When paper width detection is set to OFF or prints bigger image than set paper •...
  • Page 54 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.10 Skew Error Detection 1.4.4.11 Job Time-out Setting When this setting is set to “OFF”, a paper skew error is not occurred and When print data is interrupted more than setting time although data receiving is printing operation is continued.
  • Page 55 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.12 Cutter Position Adjustment Level structure of cutter position adjustment menu Cutter position can be adjusted by this mode. Cutter position adjustment [< / >] pattern is printed, and users entering the cutter position number to adjust the...
  • Page 56 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.14 Cut Sheet Size Error 1.4.4.15 Auto Nozzle Check for Each Job When this setting is OFF, it will prevent the occurrence of size error and keeps This setting is valid only when "Cleaning setting at nozzle check" is ON. By printing.
  • Page 57 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.16 Cleaning Setting for Nozzle Check 1.4.4.17 Super Low Speed Cut Mode Nozzle check method is switched to either auto or manual. When this setting is set to “ON”, normal cut operation is performed at 20CPS to When “Cleaning setting at nozzle check“...
  • Page 58 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.18 Printer Setup Value Initialization Selecting this mode allows the user to return all printer-setting values to the default values. Initializing items are following; Table 1-30. Printer Setup Value Initialization Setting item After initialization...
  • Page 59 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.19 Nozzle Check Pattern Printing Order of colors from left 8-color (Stylus Pro 4800): Selecting this mode allows the user to print the nozzle check pattern, firmware → → → → Photo Black / Matte Black...

  • Page 60: Status Printing

    :Off 1. Press the [Menu / Cleaning] button on the control panel to enter the -Ink Cartridge---+-----------------+-----------------+----------------- panel setting menu. Manufacture :EPSON GENUINE INK EPSON GENUINE INK EPSON GENUINE INK Ink Type Pigment Pigment Pigment 2. Press the [Paper Feed (∧/∨)] button to display "TEST PRINT".
  • Page 61 120 pages -----------------+-----------------+-----------------+----------------- -----------------+-----------------+-----------------+----------------- Manufacture :EPSON GENUINE INK EPSON GENUINE INK Ink Type Pigment Pigment Figure 1-17. Status Sheet Print Pattern (4-color Stylus Pro 4400) Ink Color :Vivid Light Magenta Light Light Black Ink Capacity 110ml 110ml Ink Left E*****F...
  • Page 62 Ink consumption counter value Quiet Cut :Off Use Ink (total cumulative consumption by printing, -Ink Cartridge---+-----------------+-----------------+----------------- flushing and cleaning) Manufacture :EPSON GENUINE INK EPSON GENUINE INK EPSON GENUINE INK Printer Status Ink Type Pigment Pigment Pigment Paper consumption counter value (total Use Paper...
  • Page 63 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Note *1: Display details for Maintenance Tank remaining ink. 1.4.4.21 Job Information Print With this mode, users can print job information saved in the printer. 100 ~ 81% E∗∗∗∗∗F (Max. 10 Job) 80 ~ 61% E∗∗∗∗...
  • Page 64 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C - Job No.0 - User Name: XXXXXXXXXXXXXXXX Host Name: XXXXXXXXXXXXXXXX - Job No.0 - User Name: XXXXXXXXXXXXXXXX Host Name: XXXXXXXXXXXXXXXX Doc Name : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX I/F Type: Unknown Doc Name : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX I/F Type: Unknown...
  • Page 65 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.22 User Paper Setting Printing Paper No.1 Custom Name : XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX With this mode, users print information registered in user paper setting menu. Platen Gap : Standard Drying Time : 10.0 sec Suction : Standard...
  • Page 66 When the printer is Stylus Pro 4800: When the function is effective for business systems, "1" to "F" are displayed When the printer is Stylus Pro 4400: according to the calculation result obtained form the following printer conditions. When the function is effective for business systems, "1" to "F" are displayed...
  • Page 67 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.24 Printable Pages per Ink Cartridge Level structure of printable pages per ink cartridge menu Printable sheets (estimation) of current installed ink cartridges are displayed [< / >] PRINTER STATUS per ink cartridge. PRINTABLE PG...

  • Page 68: Ink Remaining

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.25 Ink Remaining Level structure of remaining ink display Table 1-31. Ink Remaining Ink remaining Panel display Ink check LED [< / >] PRINTER STATUS INK LEFT INK LEFT 100 ~ 81% remaining E∗∗∗∗∗F E∗∗∗∗∗F...
  • Page 69 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.26 Maintenance Tank Count 1.4.4.28 Clear consumption counter Calculate method Clear ink usage counter Current available rate of maintenance tank is displayed. Reset "Ink usage counter" to 0. (Total capacity 1300g) Clear paper usage counter Display Reset "Paper usage counter"...
  • Page 70 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.4.32 Consumable Life CR motor life Calculate method Cutter life CR motor life is almost same as supply tube life (for A2 width) and is Calculate method severely impacted by abrasion and failure of supply tube. Therefore it Counter that is calculated by accumulating total of cutter used is is indicated by supply tube life.
  • Page 71 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PF motor life Head unit life Calculate method Calculate method There are no parts that need to be replaced within product life period of It is calculated by accumulating amount of injection shots of each color, PF motor and paper feed mechanical drive system.
  • Page 72 Also this function is able to refer to, register, delete, and set at "EPSON LFP Display (Life) Remote Panel". 100 ~ 81% E∗∗∗∗∗F...
  • Page 73 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Paper setting and corresponding operation Paper setup Operation Standard When each setting item values are set by commands, it follows the command settings. 1 ~ 10 User defined paper is used and even if settings are set by commands, user setting value is used.
  • Page 74 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Details of each setting items Table 1-33. Details of each setting items Setting Operation Setting value PG setting Enter any PG position. • SN m1 = 01h • Widestm2 = 05h (PG Maximum: 2.6mm) •...
  • Page 75 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Print quality setup values set by MW print adjustment. Table 1-34. MW print adjustmen List Raster ESC(i Dot size Mode ID Restriced Print resolution UNIT remarks Mode bit/pixel Panel setting resolution range functions Horizontal...
  • Page 76 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-34. MW print adjustmen List Raster ESC(i Dot size Mode ID Restriced Print UNIT resolution Mode bit/pixel remarks Panel setting resolution range functions Horizontal Vertical ESC(D ESC ( e Colors resolution resolution VSD1/VSD2/...
  • Page 77 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Level structure of user paper menu CUSTOM PAPER [< / >] CUSTOM PAPER PAPER NUMBER PAPER NUMBER STANDARD [∧ / ∨] [∧ / ∨] [< / >] [<] CUSTOM PAPER NARROW NARROW PLATEN GAP...
  • Page 78 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Paper Thickness Detection Pattern Displacement of lower pattern If the displacement in the gap adjustment value with a change of Print Specification 0.1mm in paper thickness is assumed to be xx microns, the following...
  • Page 79 2. Select the gap adjustment menu from the panel. NOTE: Replacing the cutter is not available when the printer condition falls 3. Set to "STD" for paper thickness of EPSON paper is 0.2mm or 1.2mm. under any one of the following conditions. An error When setting other paper individually, set thickness in units of 0.1mm.
  • Page 80 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Adjustment Note *1: For the other PG settings (for 0.7/2.1/2.6), overwrite the values adding a offset value if the set value in the user area and the default values are the The adjustment values set above are saved in NVRAM as 4 types of completely same with each other.
  • Page 81 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Level structure of gap adjustment menu HEAD ALIGNMENT [< / >] HEAD ALIGNMENT PAPER THKNS PAPER THKNS 0.1mm ~ 1.5mm [∧ / ∨] [<] [< / >] HEAD ALIGNMENT AUTO ALIGNMENT ALIGNMENT MANUAL [>]...
  • Page 82 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Gap Adjustment Print Pattern Adjustment pattern printing of each adjustment item Print specifications Print pattern 9 patterns (per 1 set) Print specifications of gap adjustment print pattern Print direction Going back and forth every 4dot...

  • Page 83: Maintenance Mode 1

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.5 Maintenance Mode 1 Panel display Character strings on the second line in "Panel display" are displayed on the second line of LCD panel. Setup values are displayed in the second line of OUTLINE LCD panel.
  • Page 84 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-36. Maintenance Mode 1 Setup Items AINTENANCE MODE 1 SETUP ITEMS Item menu 1 Item menu 2 Top menu Panel display Setup value (Panel display) (Panel display) Table 1-36. Maintenance Mode 1 Setup Items...
  • Page 85 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-36. Maintenance Mode 1 Setup Items Table 1-36. Maintenance Mode 1 Setup Items Item menu 1 Item menu 2 Item menu 1 Item menu 2 Top menu Panel display Setup value Top menu...
  • Page 86 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-36. Maintenance Mode 1 Setup Items Table 1-36. Maintenance Mode 1 Setup Items Item menu 1 Item menu 2 Item menu 1 Item menu 2 Top menu Panel display Setup value Top menu...
  • Page 87 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PANEL DISPLAY LANGUAGE SELECTION CUTTING PRESSURE Users can select English, French, Italian, German, Spanish, and Portuguese Changes cutting pressure, which is set in the printer. for display on the LCD with this mode. Adjustment value (calculated by spring balance / input value) in the process is set to 100% (printer default), input / setting range by the user is set to between 0% ~ 150%.
  • Page 88 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C INK INFORMATION MENU It displays ink information recorded in CSIC. Table 1-38. Ink Information Menu Item Explanation Manufacture logo Manufacture information saved in CSIC of each ink cartridge is displayed. Ink color Ink color information saved in CSIC of each ink cartridge is displayed.
  • Page 89 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Level structure of ink information menu Ink Information Items [< / >] CRTG INFO MENU [< / >] CRTG INFO MENU MK CARTRIDGE MANUFACT MK [∧ / ∨] EPSON [∧ / ∨] [>] CRTG INFO MENU [<...

  • Page 90: Maintenance Mode 2

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.6 Maintenance Mode 2 STARTUP This mode includes the following menus and is intended for use by a service The maintenance mode 2 is selected by switching power ON while pushing the engineer in maintaining the printer.
  • Page 91 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.6.1 Self Testing Menu (SELF TESTING) This self testing menu is mainly intended to adjustment the printer mechanism and determination any adjustment parameters in the firmware. It is possible the adjustment program to perform the same functions.
  • Page 92 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-39. Self Testing Menu List Top Menu 1st hierarchy 2nd hierarchy 3rd hierarchy Panel Display Item Panel Display Item Panel Display Item Panel Display Item TEST Test Sensor Sensor InkLvr Left and right ink lever...
  • Page 93 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-39. Self Testing Menu List Top Menu 1st hierarchy 2nd hierarchy 3rd hierarchy Panel Display Item Panel Display Item Panel Display Item Panel Display Item TEST Test Elec. Electric Maintenance Counter display CR Motor:...
  • Page 94 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-39. Self Testing Menu List Top Menu 1st hierarchy 2nd hierarchy 3rd hierarchy Panel Display Item Panel Display Item Panel Display Item Panel Display Item TEST Test CSIC CSIC SLOT1 Slot1 SLOT2 Slot2...
  • Page 95 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C LCD check TEST MENU The LCD lights all over for dot missing check. Version LED check The versions of the following items can be checked. Lights pause (green), Ink check (red), paper check (red) in that order, and Firmware version displays the lighted LED name (Printable/ Ink/ Paper) on the LCD.
  • Page 96 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Sensor Encoder The status of the following sensors can be checked. The travel of each motor for CR shaft (Carriage) and PF shaft (Paper Feed) can be confirmed by the slid (encoder) value which is displayed in encoder Table 1-40.
  • Page 97 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Electric Occurred error display Displays error codes of fatal errors. The latest error is 0 and 7 errors are Fatal errors of up to 7 maintenance items recorded as history can be checked. recoreded in 0 to 6.
  • Page 98 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Nozzle check pattern print ADJUSTMENT MENU The ink eject from the head nozzle can be checked from the printed pattern.If Cut adjustment the ink is not ejected properly, a cleaning is performed. The items printed on the pattern are as follows.
  • Page 99 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Paper skew check Feeds a specified amount of paper for checking the skew level, and detects the Position paper edge before and after feeding with the sensor to check the error. Version : A<Z><xxxx>...
  • Page 100 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 1-43. Print Menu Item [R4CD400 xColoros] Adjust Parameter Serial No. : _______________ , Mecha No. : ---------- , Tool Version : xxxxxxx Print menu Item Belt No. : xxx , PC No. : xx...
  • Page 101 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.6.2 Counter Display Menu (VIEW COUNTERS) CUTTER LIFE COUNTER VALUE DISPLAY This menu displays the counter value of each unit/part. Display cutter life counter value. Cutter life counter is counted every cut operation. Cutter life counter value is initialized (initial value 0) when replacing Table 1-44.

  • Page 102: Mib Function

    Printer MIB Printer information (function/commodity/status) ASF PAPER FEED COUNTER VALUE DISPLAY EPSON Printer Private MIB Printer information (DeviceID/StatusReply letter strings Display ASF paper feed counter value. ASF paper feed counter value is etc.) counted every paper feed operation from the ASF.

  • Page 103: Function To Prevent Irregular Printing

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.8 Function to Prevent Irregular Printing Job time out Refer to "1.4.4.11 Job Time-out Setting (p.54)". Strong cancel data Preventing the remaining data from being printed on the second cut When 16KB DC1 is sent to the head of each job, the printer performs a sheet special initialization operation.

  • Page 104: Initialization

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.4.9 Initialization 1.4.10 Default Setup Values The printer performs initialization operation by the following method. 1.4.10.1 Operation Default Setting Default Status 1.4.9.1 Hardware Initialization Default setup values in initialization operation are as follows. The This printer is initialized when power to the printer is turned on.

  • Page 105: Controller

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.5 Controller CPU: SH7709S, 100MHz Code ROM: Font ROM: None RAM: 64MB Interface Stylus Pro 4400/4800 • USB (HS, FS) • IEEE 1394 • Type-B interface Stylus Pro 4450/4880/4880C • USB (HS, FS) • Network Interface Operating System: Hitachi HI7700 (µITRON 3.0 compatible)

  • Page 106: Interface

    CMD: ESCPL2, BDC; MDL: (8-color model); Figure 1-25. Pin Assignment <Stylus Pro 4800> or <Stylus Pro 4880> or <Stylus Pro 4880C> (4-color model); <Stylus Pro 4400> or <Stylus Pro 4450> CLS: PRINTER; DES: EPSON<SP>T<Stylus Pro 4800>; (8-color model) EPSON<SP>T<Stylus Pro 4880>; (8-color model) EPSON<SP>T<Stylus Pro 4880C>;...

  • Page 107: Ieee1394 Interface

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.6.2 IEEE1394 Interface Table 1-49. Signal assignment and signal definition of input connector pin Contact number Signal name Comment Stylus Pro 4400/4800 only C H E C K TPB* P O I N T...

  • Page 108: Optional Interface

    Execute OK <Stylus Pro 4800> or <Stylus Pro 4880> or <Stylus Pro 4880C> Return Buffered Data Reject 4-color model Send Entity Type Accept <Stylus Pro 4400> or <Stylus Pro 4450> Send Status Accept Emulation-Type: ESCPL2-00 Quit Procedure Reject Entity-Type: EPSONLQ2J...
  • Page 109 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SUPPORTED MAIN COMMAND AND SENDING TIMING TYPE-B LEVEL 3 PACKET MODE Communication between Type-B I/F card and Printer corresponds to Type-B Table 1-51. Supported Main Command and Sending Timing Level 3 (Packet Mode) Communication Specification. (IEEE P1284.4 (Draft Main command 1.50) compliant)

  • Page 110: Supplements

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.6.4 Supplements Supported Packet Apply the following communication packet. RECEIVED BUFFER FULL OPERATION Table 1-53. If the available buffer becomes less than 32Kbyte while receiving data via USB Packet Description Channel I/F or 1394 I/F with no error occurring (including Standby), the printer limits its...

  • Page 111: Optional Units And Consumables

    Within 120 hours for 60°C To avoid wrong insertion, the shapes of ink cartridges of Stylus Pro 4400/4800 and Stylus Pro 4450/4880/4880C differ. If you remove an ink cartridge before it reaches the ink out...

  • Page 112: Cleaning Cartridge

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 1.7.2 Cleaning cartridge 1.7.3 Maintenance Tank The maintenance tank is located in the lower space at the right side of the The cleaning cartridge is the same as the 110ml ink cartridge C H E C K...
  • Page 113 C H A P T E R OPERATING PRINCIPLES...

  • Page 114: Overview

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.1 Overview This chapter explains the printer mechanism and operating principles for the EPSON Stylus Pro 4400/4450/4800/4880/4880C. The explanation is composed as follows: 2.2 Printer Mechanism Components (p.115) 2.2.1 Printing Mechanism (Print Head) (p.116) 2.2.2 Ink Supply Mechanism...

  • Page 115: Printer Mechanism Components

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2 Printer Mechanism Components Table 2-1. Printer Mechanism Components Drive Part Description Reference The major electrical parts used in the Printer Mechanism of this printer are as voltage shown below. Hereafter, we will explain each Printer Mechanism focusing on P_THICK Sensor +3.3V/+5V Transmission type photo-interrupter...

  • Page 116: Printing Mechanism (Print Head)

    2.2.1 Printing Mechanism (Print Head) Nozzle pitch : 0.141mm (1/180 inch) for each color Table 2-3. Relationship between Nozzle Rows and Colors The printing method uses the unique EPSON MACH method of previous models. 8 Color Mode 4 Color Mode Nozzle Row The Print Head incorporates a thermistor.
  • Page 117 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Drive Waveforms Drive waveforms are shown below for six printing modes. Table 2-4. Printing Modes (Drive Waveforms) Waveform Drive Frequency Print Resolution CR Speed Name VSD1 11.52 KHz ± 7% H360 x V360 320 CPS...

  • Page 118: Ink Supply Mechanism

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2.2 Ink Supply Mechanism The ink flow is as shown below. Each color's ink cartridge → Each color's I/H (Ink Holder) → This printer has ink cartridges for 8 colors held by Ink holders (I/H) located on Each color's ink tube →...
  • Page 119 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Dumper I/H lever sensor The dumper is equipped with a valve to prevent reverse flow of ink, and The left I/H and right I/H each have 1 I/H Lever Sensor located on the side.

  • Page 120: Cleaning Mechanism

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2.3 Cleaning Mechanism Cleaning mechanism components are located at the right side of the printer. Waste ink from the cleaning components is sent through a tube to the Waste Ink Absorber (Maintenance Tank) at the bottom right.
  • Page 121 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C CLEANING MECHANISM DRIVE Spur Gear, 19.2 ASF/Pump Motor Planetary Lever (Spur Gear, 15.2) ASF/Pump Motor Planetary Lever (Spur Gear, 15.2) Combination Gear, 15.2, 25.6 Spur Gear, 19.2 Combination Gear, Combination Gear, 13.6, 28.8 15.2, 25.6...
  • Page 122 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. The DE Lock Lever fixes the Planetary Lever in place when the Carriage DRIVE TRANSMISSION TO PUMP UNIT Unit moves the required step number to the left from the Carriage Shaft right end.
  • Page 123 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C ASF/Pump Motor (Stepping motor) Pump Phase Sensor When the transmission path is switched to the Pump Unit side by Carriage A transmissive photosensor is used, which is installed inside the Pump Unit movement and the DE Lock Lever, the ASF/Pump Motor can drive the Unit.
  • Page 124 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C NOTE: The table below explains Ink System terminology. Table 2-6. Explanation of Operation Operation Explanation Initial Ink Charge • This is the operation where the head is filled with ink for the first time. When the first ink cartridge is inserted (after all 8 colors have been inserted), the initial ink charge operation is performed automatically.

  • Page 125: Carriage (Cr) Mechanism

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2.4 Carriage (CR) Mechanism Carriage Shafts This printer has a unique carriage mechanism for stable and high precision CR Encoder Sensor movement/printing of the on-carriage head for the print area of A2 paper width.
  • Page 126 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2.4.1 Carriage Unit Movement Components Two Carriage Shafts, each covered with a linear plate, and eight rollers (bearings) form the structure supporting the carriage. Do not remove the screws securing the Carriage Shafts. C A U T I O N They are adjusted/assembled at the factory in 1/100mm increments.
  • Page 127 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C CR Motor (DC motor) Multi Sensor The Carriage Unit moves left/right by the CR Motor drive. The Encoder This is a reflective sensor installed at the Carriage Unit lower left side, and Sensor installed in the Carriage Unit reads (linear encoder system) the slits it has multiple functions.
  • Page 128 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2.4.2 Platen Gap Adjustment Components CR Shaft Pulley (front) Spur Gear, 36 CR Shaft Pulley (rear) The Carriage Unit (= Print Head) installation position must always maintain a fixed distance from the paper surface in order to preserve printing precision.
  • Page 129 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. The planetary Lock Lever fixes the Planetary Holder in place when the DRIVE TRANSMISSION TO CARRIAGE SHAFT Carriage Unit moves the required step number to the left from the Carriage Shaft right end.
  • Page 130 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PG/PO Motor (Stepping motor) The sensors used in the platen gap adjustment components are described When the transmission path is switched to the platen gap adjustment side below. by the Carriage unit movement and DE Lock Lever, the PG/PO Motor can...

  • Page 131: Paper Feed Mechanism

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2.5 Paper Feed Mechanism 2.2.4.3 Cutter Solenoid/CR Lock Mechanism Installed on the front of the Carriage Unit, this is a DC solenoid for controlling This printer uses friction feed to carry out highly precise feeding of roll paper cutter pressure of the cutter used for roll paper cutting.
  • Page 132 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PAPER FEED MECHANISM DRIVE Paper Eject Sub Roller Sub Roller Sub Roller Unit PF Roller Roller Drive Belt Drive Pulley PF Motor PF Timing Belt Speed-Reduction Pulley PF Timing Belt PF Roller Sub Roller Drive PF Pulley...
  • Page 133 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PF Motor (DC motor) The sensors used in the paper feed mechanism are described below. With drive from the PF Motor, the grid of the loop scale installed above PF Encoder Sensor both PF Rollers is read by the Encoder Sensor, and feedback control is Mounted at the left side of the printer, the sensor's pulse output (2 based on the output pulse.
  • Page 134 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Rear Manual Insertion Sensor 2.2.5.1 ASF Paper Feed Mechanism This reverse tension switch sensor (mechanical contact) is mounted at the This printer is equipped with an ASF Unit for feeding cut sheet paper. rear surface of the printer. The sensor detects paper being fed from the Operating principles of the ASF Unit are described below.
  • Page 135 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C ASF PAPER FEED MECHANISM DRIVE Planetary Lever (Spur Gear, 15.2) Combination Gear, 12, 22.4 ASF/Pump Motor ASF/Pump Motor Spur Gear, 25.6 Combination Gear, 12.8, 36 Planetary Lever (Spur Gear, 15.2) Combination Gear, 16.8, 24 Spur Gear, 33.6...
  • Page 136 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. The DE Lock Lever fixes the Planetary Lever in place when the Carriage TRANSMISSION OF DRIVE TO ASF UNIT Unit moves the required step number to the left from the Carriage Shaft right.
  • Page 137 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C ASF/Pump Motor (Stepping motor) ASF Phase Sensor When the transmission path is switched to the ASF Unit side by the This transmissive photosensor is mounted at the right lower side of the Carriage Unit movement and DE Lock Lever, the ASF/Pump Motor can printer.
  • Page 138 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3. The LD Roller rotates in the counterclockwise direction and picks up paper. LIFTER MOVEMENT (RAISING THE HOPPER) Skew Correction Mode 1 1. When a print command is received from the PC, the LD Roller which has 1.
  • Page 139 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Skew Correction Mode 2 1. The paper hits against the Gate Roller and Sub Roller. The Gate Roller and Sub Roller are stopped at this time. Stops Contact Location 2. Skew is corrected by the LD Roller pushing forward the unfed paper.

  • Page 140: Paper Eject/Release Mechanism

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2.6 Paper Eject/Release Mechanism Planetary Holder Eject Switch Lever, R Switching Rib (Spur Gear, 20, Planetary (Spur Gear, 44.8, Eject) (Spur Gear, 15.2) This printer has a paper eject mechanism that switches eject according to the...
  • Page 141 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. The Planetary Lock Lever fixes the Planetary Holder in place when the TRANSMISSION OF DRIVE TO PAPER EJECT UNIT Carriage Unit moves the required step number to the left from the Carriage Shaft right end.
  • Page 142 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PG/PO Motor (Stepping motor) The sensors used in the paper eject mechanism are described below. When the transmission path is switched to the Paper Eject Unit side by the Paper Eject Phase Sensor Carriage Unit movement and DE Lock Lever, counterclockwise rotation of This reverse tension switch sensor (mechanical contact) is mounted at the the PG/PO Motor performs eject switching movement as shown below.

  • Page 143: Release Mechanism

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2.6.2 Release Mechanism Planetary Holder Spur Gear, 16 PG/PO Motor (Spur Gear, 20, Planetary) RELEASE MECHANISM DRIVE Combination Gear, 13.6, 20.8 Planetary Holder Combination Gear, 11.2, 24 (Spur Gear, 16, Planetary) Combination Gear, 22, 16.8...
  • Page 144 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C RELEASE MECHANISM MOVEMENT When the drive transmission path of the PG/PO Motor is switched by carriage movement, the driving force of the PG/PO Motor is transmitted to the Gate Roller by the path shown in Figure 2-45.

  • Page 145: Multi Sensor

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2.7 Multi Sensor Light Receivers The light receiver side has the following 2 elements for corresponding uses. 2.2.7.1 Overview PW1 (direct reflection light receiver) This printer is equipped with a Multi Sensor that provides multiple sensor Detects paper (white) or platen (black), specifying the edge of the functions with a single sensor unit.
  • Page 146 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2.7.2 Operations/Functions SENSOR SENSITIVITY ADJUSTMENT Feed Before performing any function/adjustment, the sensor sensitivity level must be Direction Paper set for use as a standard. Specifically, paper gets fed and the LED light emission quantity should be...
  • Page 147 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PAPER WIDTH DETECTION PAPER LEFT/RIGHT EDGE DETECTION DURING PRINTING When paper is fed, the paper and platen are scanned and the change points of This is performed during borderless printing. For borderless printing of the the detected reflective light levels (paper present level <=>...
  • Page 148 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C DOT MISSING DETECTION AUTOMATIC UNI-D ADJUSTMENT A pattern for dot missing detection is printed and dot missing is detected by A pattern for adjustment is printed, the pattern is scanned and acceptable scanning the pattern. The pattern is printed by all the nozzles, with 1 nozzle values are calculated from the collected values, and then adjustment is printing 1 block, and a block for a abnormal nozzle will not print.
  • Page 149 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C AUTOMATIC BI-D ADJUSTMENT 1 Pass Printing direction A pattern for adjustment is printed, the pattern is scanned and acceptable values are calculated from the collected values, and then adjustment is automatically executed. Two types of patterns are printed during adjustment: a...
  • Page 150 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Fine Adjustment Pattern This is a pattern for calculating the exact correction value. It uses all nozzles and 3 Bi-D patterns are printed after being shifted by 1/1440 step for each color. The location detected with the most raised A/D values and the 2...

  • Page 151: Others

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.2.8 Others Rear Cover Sensor P-COVER OPEN SENSOR P-Cover Open Sensor This sensor is mounted at the Printer Cover right side open/close components to detect the open or closed condition of the Printer Cover.

  • Page 152: Outline Of Control Circuit Board

    Function This section describes the operation of BOARD ASSY., MAIN, which controls A3958SLBTR-T CR Motor driver and drives the Printer Mechanism of Stylus Pro 4400/4450/4800/4880/4880C. • PWM current control method A3958SLBTR PF Motor driver C593 MAIN Board: Stylus Pro 4400/4800 •...
  • Page 153 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C CR motor driver A3958SLBTR-T (IC5) CR motor (IC15) PF motor driver A3958SLBTR (IC6) PF motor ASF/pump motor Custom PG/PO motor ASF/pump ASIC (IC12) (IC2) (IC23) driver motor E05C25BB (IC19) A6628SEDTR-T (IC7) PG/PO motor Real-Time Clock...

  • Page 154: Outline Of Power Supply Circuit Board

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.4 Outline of Power Supply Circuit Board There are three control signals between the BOARD ASSY., MAIN and the Power Supply Circuit Board. Table below describes details of the control signals: 100VAC from electric outlet is supplied to Power Supply Circuit Board through a Power Cable and AC Inlet.

  • Page 155: Colorimetric Calibration (Color Id) Overview

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2.5 Colorimetric Calibration (Color ID) Overview Main Unit This printer employs "Colorimetric Calibration (Color ID)" to correct unit-to-unit variations in color. Prinhead Main Board Supply Board "Colorimetric Calibration (Color ID)" corrects not only the weight of ink droplets...
  • Page 156 C H A P T E R TROUBLESHOOTING...

  • Page 157: Outline

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3.1 Outline 9. As necessary, initialize the NVRAM on the BOARD ASSY., MAIN (return the individual settings and panel settings to the factory settings). Carry out initialization by executing "Panel Initialization" in "Maintenance This section explains procedures for rapid and efficient troubleshooting if Mode 1".

  • Page 158: Troubleshooting Based On Panel Messages

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3.2 Troubleshooting Based on Panel Messages This printer conducts self testing based on output conditions of each sensor. Any error detected by self testing is displayed by an LCD message and LED indicators. This section explains corrective actions for errors and error messages.
  • Page 159 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 3-1. Displayed Error Messages Priority LCD Panel Message Displayed Error Reference Page Paper Check Pause Ink Check MISMATCH ERROR Wrong ink error Blink Blink Blink p.168 DRIVER INK SET SETTING IS WRONG LOAD ROLL PAPER Wrong roll paper path –...
  • Page 160 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 3-1. Displayed Error Messages Priority LCD Panel Message Displayed Error Reference Page Paper Check Pause Ink Check REAR COVER OPEN Rear Cover open – – – p.173 OPTION I/ F ERROR Type-B Option I/ F Card Error...
  • Page 161 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 3-2. Service request error list(continued) Table 3-2. Service request error list(continued) Reference Reference Error Code Description Error Code Description Page Page 00010032 ASF drive switch error p.189 00000101 CR Motor life p.175 00010033 Eject phase detection error p.190...

  • Page 162: Corrective Actions For Displayed Warnings

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3.2.2 Corrective Actions for Displayed Warnings MAINTENANCE REQUEST Warnings replace the "READY"/"PRINTING" message in the LCD to notify the LCD Panel message user of the condition, but printing may continue because printer operations are MNT REQ nnnn not affected.
  • Page 163 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Recovery Remedy nnnn Cause Replacement part/unit (how to recover errors) The number of CR movement cycles has Refer to "SERVICE REQ. 00000101 (p.175)." Refer to "SERVICE REQ. 00000101 (p.175)." 0002 reached predetermined value. RTC backup battery shut off / uninstalled...
  • Page 164 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PAPER NEAR END Item Description LCD Panel message PAPER LOW LED display Paper check LED: Blink Explanation Occurs when the current remaining paper counter value is less than the near end setting value while the remaining paper detection is on with roll paper or cut paper loaded.

  • Page 165: Corrective Actions For Error Display

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3.2.3 Corrective Actions for Error Display Error messages replace the "READY"/"PRINTING" message in the LCD to notify the user of the condition. The following explains corrective actions for when the errors are displayed. CLEANING FAILURE...
  • Page 166 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PAPER EJECT ERROR Explanation Recovery REMOVE PAPER After paper eject, paper is left in paper route and ASF Paper Sensor Release Paper Lever, remove paper, and pull down the lever. has turned ON. After paper eject, paper is left in paper route and PE Sensor has Release Paper Lever, remove paper, and pull down the lever.
  • Page 167 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PAPER RECOGNITION ERROR Explanation Recovery RELOAD PAPER Paper is not loaded in the correct position. Release Paper Lever, reload the paper, and pull down the lever. Paper was not ejected because its length was more than the limit for cut paper.
  • Page 168 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PAPER CUT ERROR Explanation Recovery PAPER NOT CUT It is occurred when top of roll paper cannot be detected by Multi Release Paper Lever, remove paper, and pull down the lever. Sensor, after paper cut operation.
  • Page 169 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C CONVERSION CARTRIDGE LIFE ERROR Explanation Recovery REPLACE CNVRSION CRTG This error occurs when the conversion cartridge has been used more Replace the conversion cartridge with a new one. than its life times (100 times).
  • Page 170 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C WRONG LOGO ERROR Explanation Recovery INVALID INK CRTG This error occurs when an ink cartridge other than genuine one is Replace the ink cartridge with a genuine one. inserted. Recover from the error forcibly by pressing the [Pause] key.
  • Page 171 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C PRINTER COVER OPEN Explanation Recovery TOP COVER OPEN Generated when Printer Cover is open during one of the movements. Close the Printer Cover. Under this error, all of CR motion and ink sequences are halted.
  • Page 172 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C RELEASING PAPER LEVER IN OPERATION Explanation Recovery SET PAPER LEVER Paper Lever was released during one of the movements. Pull down the Paper Lever. After lowering the lever, the paper set sequence will begin, and the...
  • Page 173 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C NO MAINTENANCE TANK Explanation Recovery NO MNT TNK The Maintenance Tank is not set during one of the movements. Set the Maintenance Tank. REAR COVER OPEN Explanation Recovery REAR COVER OPEN Generated when Paper Guide Unit is not installed. Under this error, all Properly install Paper Guide Unit.
  • Page 174 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C FATAL ERROR The printer has failed. Because this cannot be recovered by the user, resolve by following "3.2.4 Corrective Actions for Service Request Display" (p.175). Explanation Recovery SERVICE REQ. nnnnnnnnn Occurrence of any error from which the user can not recover the If cleared by turning power OFF and then ON again, continue using ("nnnnnnnnn"...

  • Page 175: Corrective Actions For Service Request Display

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3.2.4 Corrective Actions for Service Request Display Remedy 1. Check the number of times that the CR Motor has shuttled at “VIEW Service request errors are displayed in the LCD panel with the intention of COUNTER“...
  • Page 176 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2. The product-life cycle is the same as CR Motor-life cycle, so check and maintain all over the printer mechanism. Specially check points are shown below. Check for bending or damage to the Head FFC.
  • Page 177 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Points to be checked SERVICE REQ. 00010000 1. The PF Encoder Sensor and the PF Loop Scale must be free from dust Error meaning: and dirt or any other foreign matters. PF Motor Encoder check error 2.
  • Page 178 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 00010001 SERVICE REQ. 00010002 Error meaning: Error meaning: PF Motor out of step PF Motor over current Explanation Explanation During PF Motor operation, there may be a case where the encoder pulse...
  • Page 179 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 00010003 SERVICE REQ. 00010004 Error meaning: Error meaning: CR Motor Encoder check error PF Motor in-position time-out Explanation Explanation During initial operation at power on or during CR Motor operation, there At PF stop processing in PF Motor control, there may be a case where the...
  • Page 180 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 00010005 SERVICE REQ. 00010006 Error meaning: Error meaning: CR Motor out of step CR Motor over current Explanation Explanation During CR Motor operation, there may be a case where the encoder pulse...
  • Page 181 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 00010007 SERVICE REQ. 00010008 Error meaning: Error meaning: CR Motor in-position time-out Servo interrupt watchdog time-out Explanation Explanation At Carriage Unit stop processing in CR Motor control, there may be a case...
  • Page 182 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 0001000A SERVICE REQ. 0001000C Error meaning: Error meaning: CR home position sensor error PG phase sensor error Explanation Explanation During initial operation at power on or during platen gap fluctuation During initial operation at power on or during printing operation, there may...
  • Page 183 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 0001000F SERVICE REQ. 00010010 Error meaning: Error meaning: CR Motor PWM output faulty PF Motor PWM output faulty Explanation Explanation There may be a case where a current exceeding the specified value flows There may be a case where a current exceeding the specified value flows during CR Motor operation.
  • Page 184 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 00010012 SERVICE REQ. 00010013 Error meaning: Error meaning: CR overload (high sensitivity) error PF overload (high sensitivity) error Explanation Explanation PWM has been being output for a certain period of time. This can be made PWM has been being output for a certain period of time.
  • Page 185 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 0001001B SERVICE REQ. 0001001D Error meaning: Error meaning: Head driver (TG) temperature error CR servo parameter error Explanation Explanation During printing operation (empty jetting of ink), there may be a case where...
  • Page 186 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 0001001E SERVICE REQ. 00010020 Error meaning: Error meaning: PF servo parameter error CSIC reed/write error Explanation Explanation There may be a case where a voltage exceeding the specified value is This message is displayed and the printer is stopped when information about to be applied to the PF Motor.
  • Page 187 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 00010023 SERVICE REQ. 00010025 Error meaning: Error meaning: RTC analysis error CSIC ROM communication error Explanation Explanation There may be a case where the absolute time data stored on NVRAM There may be a case where an error occurs in communication with the indicates an impossible date or hour.
  • Page 188 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 00010026 SERVICE REQ. 00010029 Error meaning: Error meaning: RTC communication error Unidentified NMI Explanation Explanation There may be a case where the RTC circuit on the BOARD ASSY., MAIN CPU has detected undefined NMI.
  • Page 189 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 0001002D SERVICE REQ. 00010031 Error meaning: Error meaning: Cleaning Unit work life error ASF phase detection error Cause of trouble Cause of trouble Pump counter (8P x 1000 = 8,000P) has reached its regulated value.
  • Page 190 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 00010033 SERVICE REQ. 00010036 Error meaning: Error meaning: Paper eject phase detection error Type-B Board installation error Cause of trouble Cause of trouble Home position for paper eject switching cannot be detected even though Type-B Board lower than Level 2 is installed.
  • Page 191 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 00010039 SERVICE REQ. 0001003B Error meaning: Error meaning: PG adjustment value incorrect overwrite error Cutter installation error 1 Explanation Cause of trouble Writing to the PG adjustment value area of NVRAM was done improperly, CR lock cannot be released by PG2.6 after cutter replacement.
  • Page 192 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 00020000 SERVICE REQ. 00020003 Error meaning: Error meaning: NVRAM error BOOT program SUM error Explanation Explanation There may be a case where the parameter data in NVRAM is broken. In There may be a case where the boot program of firmware is broken. In such a case, this message is displayed and the printer stops operating.
  • Page 193 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 0002000A SERVICE REQ. 100000E0 Error meaning: Error meaning: Program load error CPU address error (load misalignment) Explanation Cause of trouble SUM check error for program area on RAM. Defective circuit board Cause of trouble...
  • Page 194 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 10000180 SERVICE REQ. 100001C0 Error meaning: Error meaning: CPU reserve command code exception error AC disruption Cause of trouble Cause of trouble Defective circuit board Power outage (=Instant blackout) Faulty CPU soldering...
  • Page 195 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SERVICE REQ. 10000XXX SERVICE REQ. 0EXXXXXX Error meaning: Error meaning: CPU error RTC timer off error Cause of trouble Explanation This error occurs when attempting unsuccessfully to communicate with Defective circuit board RTC chip on the MAIN Board.

  • Page 196: Troubleshooting Based On Your Printout

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3.3 Troubleshooting Based on Your Printout In Initial Ink Charge, a large amount of ink will be C H E C K P O I N T discharged into the Maintenance Tank. Therefore, check This section describes conceivable print quality problems that may occur with the counter indication (remaining value) beforehand.
  • Page 197 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C UNEVEN PRINTING/POOR RESOLUTION SMUDGED OR MARRED PRINTOUT (FRONT SIDE) If the print quality is abnormal (uneven printing, diffused image, etc.), the If smudging or marring occurs due to rubbing by the head, etc. on the paper's following items should be checked.
  • Page 198 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C SMUDGED OR MARRED PRINTOUT (REVERSE SIDE) WHITE OR BLACK BANDING IN THE CARRIAGE RUNNING DIRECTION If smudging or marring of the paper back surface with ink occurs, the following If white or black banding (uneven density) in parallel with the Carriage Unit items should be checked.
  • Page 199 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C BANDING IN THE PAPER FEED DIRECTION If banding (uneven density, rough image) in parallel with the paper feed direction is found on the print, perform the following adjustment: Bi-D adjustment The Bi-D adjustment can be executed by any of the following methods.
  • Page 200 C H A P T E R DISASSEMBLY & ASSEMBLY...

  • Page 201: Introductory Information

    4.1 Introductory Information 4.1.1 Cautions The precautions in the two lists below, WARNING and CAUTION, must always This chapter describes disassembly/reassembly steps for the Stylus Pro 4400/ be followed during disassembly and assembly. Before starting the disassembly 4450/4800/4880/4880C. work on this product, read and follow these precautions.
  • Page 202 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C • Wear gloves while performing disassembly/ To prevent static electric damage when handling a W A R N I N G C A U T I O N reassembly to prevent accidental cuts. circuit board, do not touch elements on board with bare •...

  • Page 203: Tools

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.1.2 Tools Tools needed for disassembly/reassembly of the Stylus Pro 4400/4450/4800/ 4880/4880C are shown below. Table 4-1. Required Tools Rear (back side) Name Part Code Note (+) Phillips screwdriver #1 Commercial Tool – (+) Phillips screwdriver #2...

  • Page 204: Screws

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.1.3 Screws Screws used on the Stylus Pro 4400/4450/4800/4880/4880C are shown below. Table 4-2. Screws Name Color Type Decorative Screw White Special screw C.B.S. 3x6 Silver (+) Bind S-tight C.B.S. 3x6 Silver (+) Bind S-tight C.C.P.

  • Page 205: 4.1.4 Difference Between 8-Color And 4-Color Models In Disassembly/Assembly

    Revision C 4.1.4 Difference Between 8-color And 4-color Models In Disassembly/Assembly The Stylus Pro 4800/4880/4880C (8-color model) and Stylus Pro 4400/4450 (4-color model) are equipped with different units or parts depending on how many cartridges can be installed. This chapter describes based on the 8-color model. When disassembling/assembling a 4-color model, refer to the table below to make sure the difference between the 8-color model and 4-color model.

  • Page 206: Disassembly Procedures

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2 Disassembly Procedures Because this printer is assembled with precise C A U T I O N measurements in 1/100mm units, disassembly of the frame and defined components is prohibited. Disassembly/reassembly is limited to parts whose part numbers are shown in the "Parts List"...

  • Page 207: Basic Operations

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.1 Basic Operations Cover, Printer 4.2.1.1 Release of the Transport Retaining Lever 1. Open "Cover, Printer". (Refer to Figure 4-2.) 2. Grasp and pull the "Transport Retaining Lever" (green) located on the left side of the "Carriage Unit" to release the locked condition of the "Carriage Unit".
  • Page 208 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.1.2 Carriage Unit Lock Release/Lock Set Method CARRIAGE UNIT LOCK RELEASE 1. Open "Cover, Printer". 2. Push in "Holder, Solenoid" to release carriage lock. (Refer to Figure 4-4.) Holder, Solenoid Figure 4-4. Carriage Unit Lock Release CARRIAGE UNIT LOCK SET 1.

  • Page 209: Consumable Parts/Asf Cassette Removal

    Ink Filler Ink Cartridge To avoid wrong insertion, the shapes of ink cartridges of C H E C K Stylus Pro 4400/4800 and Stylus Pro 4450/4880/4880C differ. P O I N T Figure 4-7. Ink Cartridge Removal Disassembly & Assembly...
  • Page 210 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.2.2 Maintenance Tank (Porous Pad Assy., Ink Eject) Do not touch the IC chip while performing the following C A U T I O N steps. Doing so could disrupt normal operation/printing. 1. Insert the fingers of your right hand into the hole of the "Maintenance Tank"...
  • Page 211 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.2.3 Cutter Assembly 1. Enter cutter replacement mode using the panel setting with printer power 2. The carriage unit moves and stops at the cutter replacement position. Holder, Solenoid 3. Open "Cover, Printer". When pressing the "Cutter Assembly" tab in the following...
  • Page 212 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.2.4 ASF Cassette 1. Remove the "ASF Cassette" from the printer. The disassembly steps described on the following pages C H E C K require prior removal of the "ASF Cassette". P O I N T ASF Cassette Figure 4-11.
  • Page 213 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.2.5 Spindle Cover, Roll Paper SPINDLE REMOVAL Spindle 1. Open "Cover, Roll Paper". 2. Remove "Spindle". Figure 4-12. Spindle Removal SPINDLE DISASSEMBLY Remove "Spindle" (p213). 2. Remove "Flange, Left" (black) along with "Adapter" from the "Spindle".

  • Page 214: Panel Unit/Housing Removal

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.3 Panel Unit/Housing Removal This section describes steps for removing housing parts. 4.2.3.1 Holder, Roller, Unit Remove "Spindle" (p213). Holder, Roller, Unit 2. Remove the four decorative screws securing the "Holder, Roller, Unit" to Screws the main unit.
  • Page 215 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.3.2 Paper Guide Assy., M, SP 1. Pull the left and right levers that secures the "Paper Guide Assy., M, SP" inward, and then pull out the "Paper Guide Assy., M, SP". Paper Guice Assy., M, SP Securing Lever Figure 4-16.
  • Page 216 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.3.3 Cover, Side, Left Remove "Holder, Roller, Unit" (p214). Remove "Paper Guide Assy., M, SP" (p215). 3. Open "Cover, Printer". 4. Remove the four screws securing "Cover, Side, Left". C.B.S. 3x6 C.B.S. 3x6: 2 pcs.
  • Page 217 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.3.4 Cover, Side, Right Remove "Maintenance Tank (Porous Pad Assy., Ink Eject)" (p210). Remove "Holder, Roller, Unit" (p214). Paper Lever Remove "Paper Guide Assy., M, SP" (p215). 4. Move "Paper Lever" until two screws can be seen and hold the lever in the place.
  • Page 218 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6. Open "Cover, Printer". 7. Remove the four screws securing "Cover, Side, Right". C.B.S. 3x6: 2 pcs. C.C.P. 4x10: 2 pcs. 8. While slightly lifting the upper part of "Cover, Side, Right", remove the C.B.S.
  • Page 219 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.3.5 Panel, Front/Panel Unit Panel Unit Remove "Cover, Side, Left" (p216). Step 3 Remove "Cover, Side, Right" (p217). 3. Remove "Harness, Panel" from "Panel Unit". 4. Remove following screws securing "Panel, Front". (Refer to Figure 4-21.) C.B.S.
  • Page 220 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 7. Remove the three screws securing the "Panel Unit", and remove the "Panel Unit" from "Panel, Front". (Refer to Figure 4-22.) Panel Unit C.B.S. (O) 3x6: 3 pcs. C.B.S. (O) 3x6 Figure 4-22. Panel Unit Removal Disassembly &...
  • Page 221 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.3.6 Cover, Printer Remove "Cover, Side, Left" (p216). Cover Printer 2. Remove the two screws securing "Plate, P Cover, Left". Then remove "Plate, P Cover, Left" by sliding it to the left side while supporting "Cover Printer"...
  • Page 222 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3. Remove "Cover, Printer" upward by sliding to left side. Cover, Printer Insert the right shaft of "Cover, Printer" into the shaft hole on "Plate, P Cover, Right". Shaft Hole Shaft of Cover, Printer Figure 4-24.
  • Page 223 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.3.7 Cover, Rear Remove "Cover, Printer" (p221). Cover, Rear Remove "Cover, Side, Right" (p217). C.B.S. 3x6 3. Remove the three screws securing "Cover, Rear" and remove "Cover, Shaft, Installation, CR Rear" upward. Shaft, Installation, CR: 2 pcs.
  • Page 224 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.3.8 P Cover Open Sensor Remove "Panel, Front/Panel Unit" (p219). 2. Release the two tabs securing "P Cover Open Sensor" and then release the "P Cover Open Sensor". 3. Disconnect the connector from the "P Cover Open Sensor".
  • Page 225 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.3.9 Rear Cover Sensor Rear Cover Sensor Connector Remove "Paper Guide Assy., M, SP" (p215). 2. Remove the screw securing "Rear Cover Sensor Unit" to the printer frame. (Refer to Figure 4-27.) C.B.B. 2x10: 1 pc.

  • Page 226: Circuit Board Removal

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.4 Circuit Board Removal The board used for Stylus 4400/4800 is "C593 MAIN Board", C H E C K and "CA00 MAIN Board" is used for Stylus Pro 4450/4880/ P O I N T Ribs 4880C.
  • Page 227 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Be careful not to pull the "PCB Unit" too hard and stretch the C A U T I O N harness when performing the following steps. PCB Unit 6. Remove the four screws securing the "PCB Unit" and pull the "PCB Unit"...
  • Page 228 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 7. Disconnect all connectors/harnesses from "C593 MAIN Board". CN54 CN51 CN19 CN48 Table 4-4. Connectors/Harnesses Connected to C593 MAIN Board CN20 Connection Connector Number Color Connection Socket Order of Pins CN56 CN48 C511_SUB-B Board (CN102)
  • Page 229 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C The connector number is marked on each connector on the board. When connecting the FFCs, match the connector numbers with the ones on the board with the number printed side of the FFCs facing toward the printer rear.
  • Page 230 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 8. Remove the screw securing USB connector. (Refer to Figure 4-34.) Step 9 C.P. 3x6: 1 pc. C.B.S. 3X10 9. Remove the two screws securing "Cover, Connector, Upper; B" and then remove "Cover, Connector, Upper; B".
  • Page 231 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 11. Release the four hooks securing the "Guide Rail" and remove the "Guide Rail". (Refer to Figure 4-36.) Guide Rail Secure the two "Guide Rail" hooks to the two "C593 MAIN Board" installation holes.
  • Page 232 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 13. Remove the seven screws securing "C593 MAIN Board". IEEE1394 Connector C.B.S. 3x8: 8 pcs. 14. Slide "C593 MAIN Board" forward and remove the "C593 MAIN Board" as keeping IEEE1394 connector clear of the plate.
  • Page 233 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.4.2 Power Supply Board / Power Supply Cooling Fan When removing the "Power Supply Board", wait 5 minutes W A R N I N G after unplugging the AC power cord before starting work to allow discharge of residual charge in the electrolytic C.B.S.
  • Page 234 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.4.3 C593_SUB Board 1. Open "Cover, Printer". Slot When performing the following steps, remove protective C A U T I O N equipment if it is installed and make sure to release the Carridge Unit lock with the "Transport Retaining Lever".
  • Page 235 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Disconnect all connectors/harnesses on the "C593_SUB Board". (Refer to Figure 4-43.) Harnesses Table 4-6. Connectors/Harnesses Connected to C593_SUB Board Connector Number Color Connection Socket of Pins C593_SUB-D Board (CN4) White Cutter Solenoid C593_SUB Board...
  • Page 236 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.4.4 C511_SUB-B Board CN22 CN55 CN39 CN42 CN103 CN102 Remove "Cover, Side, Right" (p217). CN26 2. Disconnect all connectors/harnesses on the "C511_SUB-B Board". CN36 Table 4-7. Connectors/Harnesses Connected to C511_SUB-B Board CN101 Connection Connector...
  • Page 237 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3. Remove the four screws securing "C511_SUB-B Board" and remove "C511_SUB-B Board". C.B.P. 3x6 C.B.P. 3x6: 4 pcs. Figure 4-45. C511_SUB-B Board Removal Disassembly & Assembly Disassembly Procedures...
  • Page 238 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.4.5 C593_SUB-C Board Remove "Cover, Side, Left" (p216). Clamps 2. Release the FFC from the three clamps. 3. Disconnect all connectors/harnesses on the "C593_SUB-C Board". Table 4-8. Connectors/Harnesses Connected to C593_SUB-C Board Connection Connector...
  • Page 239 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Remove the three screws securing "C593_SUB-C Board" and remove "C593_SUB-C Board". C.B.S. 3x6: 3 pcs. C.B.S. 3x6 Figure 4-48. SUB-C Board Removal Disassembly & Assembly Disassembly Procedures...
  • Page 240 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.4.6 C593_SUB-D Board Remove "Panel, Front/Panel Unit" (p219). 2. Disconnect all the connectors/harnesses on the "C593_SUB-D Board". Table 4-9. Connectors/Harnesses Connected to C593_SUB-D Board Connection Connector Color/ Number Connection Socket Order Mark of Pins...

  • Page 241: Printer Mechanism Disassembly

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.5 Printer Mechanism Disassembly This section describes disassembly steps for main components of the printer mechanism. For the following reasons, replaceable parts are limited to C A U T I O N defined components. Therefore removal or replacement of parts that cannot be supplied as components defined in this manual or parts supplied as "Service Parts"...
  • Page 242 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.5.1 Printer Mechanism (SP) Stylus Pro 4800 Stylus Pro 4400 Part name Code Part name Code Table 4-10. Parts Configuration ← ← Cover, fan, right 1273729 Part name Code ← ← Fan blower mounting...
  • Page 243 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 2. Connect the printer to the PC with USB or IEEE1394 cable, and start “NVRAM Buckup Utility“ (nvram.exe). (Or execute the parameter backup of the adjustment program and start the “NVRAM Buckup Utility“.) 3. Take out the CD-ROM that contains the mechanism parameter and insert it to the PC.
  • Page 244 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.5.2 Fan, Blower 1. Remove the four screws securing the two "Paper Guide, Eject, Stacker"s and then remove the two "Paper Guide, Eject, Stacker"s. (Refer to Figure 4-51.) C.B.S. 3x8 Installation Plate, Shaft, CR: 2 pcs.
  • Page 245 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Peel off the acetate tape attached to the gap between the "Frame, Fan, Unit" and the main unit. 5. Remove the two screws securing "Frame, Fan, Unit" and remove "Frame, Frame, Fan, Unit Acetate Tape Fan, Unit"...
  • Page 246 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.6 ASF Remove "Cover, Side, Left" (p216). Remove "Cover, Side, Right" (p217). This section discribes the "ASF Unit" removal and the assembly and disassembly of the main components comprising the ASF. 3. Remove "Cover, Motor, PF" and disconnect the connector from the "ASF phase sensor".
  • Page 247 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Insert the tab of the "Joint Plate" to the slit of the "Base, Left". 5. Insert the "Base, Left" with the "Joint Plate" set in the Step 4 under the left bottom of the main unit until the notches hit the rubber feet of the printer.
  • Page 248 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6. Insert the "Base, Right" under the right bottom of the main unit until the noches hit the rubber feet of the printer. After the "Base, Left", "Base, Right", and the "Joint Plate" C H E C K are set up.
  • Page 249 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C When lifting the printer in the steps given below, pay C A U T I O N attention to the followings: Hold the front panel section of the printer. Holding other section could cause the malfunction of the printer.
  • Page 250 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 8. Hold the front panel section of the printer, lift the printer upward and keep it there, and then set the "Stand" in both the rubber foot on the bottom of the Step 8-1/Step 9 printer and the "Base, Left", following the steps below.
  • Page 251 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 10. Remove the two screws that secure the "ASF Unit" on the right side of the printer and the two screws that secure "Duct, Air, C, Assy". C.B.S. 3x6: 4 pcs. When performing the following work, do not keep the "Duct, C A U T I O N Air, C, Assy"...
  • Page 252 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 12. While holding the "ASF Unit", remove the three screws that secure the "ASF Unit" on the left side of the printer. C.B.S. 3x6: 3 pcs. C.B.S. 3x6 Figure 4-60. Screws Securing "ASF Unit"...
  • Page 253 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 13. Remove the "ASF Unit" downward from the printer. When installing the "ASF Unit" to the printer, do not let the connector of the "ASF Phase Sensor" located at the left side of the "ASF Unit" contact with the cutout of the frame of the main unit.
  • Page 254 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.6.2 Roller Assy., LD, Left / Roller Assy., LD, Right Lever, Hopper, Release Remove "ASF Unit" (p246). 2. Remove the "E-ring, 6", and pull out the "Gear, 44.74" and "Lever, Hopper, Release" from the "Shaft, Roller, LD".
  • Page 255 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3. Remove the three screws that secure the "Frame, ASF, Right" from the Hopper bottom of the "ASF Unit", and remove the "Frame, ASF, Right" from the Freme, ASF, Right hole shown in Figure 4-64 as holding the "Hopper"...
  • Page 256 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5. Rotate the "Bushing, Lock, 11.4" to the direction shown in Figure 4-66 match the rib with the frame hole, release the boss at the lower part from the frame, and then remove the "Bushing, Lock, 11.4" from the "Shaft, Roller, LD".
  • Page 257 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6. Detach the resin plate that is attached on the "Holder, Edge Guide, Left", release the tab that secures "Holder, Edge Guide, Left" to the "Cover, Holder, Edge Guide, Left Holder, Edge Guide, Left Roller, LD, Left", and then remove the "Holder, Edge Guide, Left"...
  • Page 258 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 8. Remove the "E-ring, 6" from the "Shaft, Roller, LD". Roller Assy., LD, Right 9. Draw out the "Shaft, Roller, LD" to the direction shown in Figure 4-69 remove both the "Roller Assy., LD, Left" and the "Roller Assy., LD, Right".
  • Page 259 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.6.3 Mount Assy., Plate, Motor, ASF, SP E-ring Remove "Box Assy., Flushing / Pump Unit" (p316). Spur Gear, 16 2. Detach E-ring and then remove "Spur Gear, 16".(Refer to Figure 4-70.) Screwdriver insertion hole Figure 4-70.
  • Page 260 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3. Insert screwdriver through hole at lower right of "Spur Gear, 16" removed Step 4 Step 2 and remove the screw securing "Mount Assy., Plate, Motor, ASF, C.B.S. 3x6 SP". C.B. 3x8: 1 pc.
  • Page 261 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3. Insert shaft of frame while aligning it with installation Install "Mount Assy., Plate, Motor, ASF, SP" following the hole of "Mount Assy., Plate, Motor, ASF, SP". steps below. 1. "Combination Gear 12, 22.4" may fall from the "Mount Assy., Plate, Motor, ASF, SP"...
  • Page 262 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5. Tighten screws so that there are no gaps at the locations listed below. • Between frame and "Heat Dissipation Plate, Motor, ASF". • Between frame and "Mount Assy., Plate, Motor, ASF, SP". Confirm close fit of...
  • Page 263 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.6.4 ASF Phase Sensor Remove "Cover, Side, Left" (p216). 2. Remove the four screws securing "Cover, Motor, PF" and then remove C.B.S. 3x6 "Cover, Motor, PF" in the upward direction while avoiding the "Roller, PF".
  • Page 264 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Use a tool such as a precision screwdriver to press down on and release the hook securing the "Wheel, Detector", and remove the "Wheel, Detector". (Refer to Figure 4-74.) 5. Disconnect the connector from the "ASF Phase Sensor".
  • Page 265 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.6.5 ASF Paper Sensor 1. Remove PCB Unit. (Refer to "4.2.4.1 C593 MAIN Board" (p226).) 2. Release "ASF Paper Sensor" harness from clamp. Clamp 3. Release the two tabs securing "ASF Paper Sensor" and then release "ASF ASF Paper Sensor Paper Sensor".

  • Page 266: Carriage Mechanism

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.7 Carriage Mechanism Ink Tube Unit 4.2.7.1 Carriage Unit This section explains the working procedure using the "CR C H E C K SUS PLATE SUPPORT TOOL" shown in the figure below. P O I N T The "CR SUS PLATE SUPPORT TOOL"...
  • Page 267 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C When installing the "Ink Tube Unit", be sure to check the Match the two positioning holes and the two dowels of followings. the "Ink Tube Unit" and "Carriage Unit". Release the "Belt, CR" tension (Refer to "4.2.7.2 Motor...
  • Page 268 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5. Remove the "Tension Spring, 3.81" from the hooks of both the "Head Unit" When installing the "Lever, Inclination", follow the steps and the "Lever, Inclination". (Refer to Figure 4-79.) below. 6. Remove the three screws and the washer that secure the "Lever, 1.
  • Page 269 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 10. Set the "CR SUS PLATE SUPPORT TOOL" on the both sides of the "Carriage Unit" as shown in Figure 4-82. Carriage Unit Place the "CR SUS PLATE SUPPORT TOOL" with the left end of its front tab set on the "Shaft, Front"...
  • Page 270 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.7.2 Motor Assy., CR Remove "Cover, Side, Left" (p216). Remove "Cover, Side, Right" (p217). 3. Disconnect the connector from the "Motor Assy., CR". 4. Slide carriage to the center of the printer. (Refer to "4.2.4.3 C593_SUB Board" (p234).)
  • Page 271 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 7. Remove the two screws securing the "Motor Assy., CR" and remove the "Motor Assy., CR". (Refer to Figure 4-85.) C.C. 3x6: 2 pcs. Belt, CR C.C. 3x6 Be sure to refer to Chapter 5 “Adjustment”...
  • Page 272 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.7.3 Harness, CR Harness 1. Remove “Release, Lever Unit”. (Refer to "4.2.9.1 Release Unit" (p343).) 2. Disconnect "Motor Assy., CR" harness (CN15: white, 2 pin) from the "C533 MAIN Board", and peel the acetate tape to release the harness.
  • Page 273 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6. Release the "Motor Assy., CR" harness from the four cramps, four pieces of acetate tape and the tab on the frame. (Refer to Figure 4-88.) Acetate Tape (x3) 7. Disconnect the connector from “Motor Assy., CR” and remove “Harness, CR”.(Refer to Figure 4-83.)
  • Page 274 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.7.4 Motor Assy., PG Sheet, Ink, Stopper, C Remove "Cover, Side, Right" (p217). 2. Peel off the acetate tape and release the tab at the lower part of the "Sheet, Ink, Stopper, C" from the U-shaped cutout of the "Frame, Base, Side, Right".
  • Page 275 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 7. Remove the two screws securing "Motor Assy., PG". (Refer to Figure 4-91.) Relief Hole PG Motor C.C. 3x6: 2 pcs. When performing the following steps, be careful not to C A U T I O N scratch the frame with "Motor Assy., PG"...
  • Page 276 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.7.5 CR_HP Sensor Remove "Cover, Side, Right" (p217). Clamp 2. Move "Carriage Unit" to center of printer. Wrap around (Refer to "4.2.4.3 C593_SUB Board" (p234).) 3. Release "CR_HP Sensor" harness from clamp. 4. Unfasten the two upper hooks securing "CR_HP Sensor", release the Connectoror lower tab and then release "CR_HP Sensor".
  • Page 277 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.7.6 Multi Sensor Remove "Cover, Side, Left" (p216). 2. Move "Carriage Unit" to center of printer. (Refer to "4.2.4.3 C593_SUB Board" (p234).) 3. Remove the two screws securing "Multi Sensor" to the "Carriage Unit".
  • Page 278 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.7.7 PG Phase Sensor Remove "Cover, Side, Left" (p216). Remove "Cover, Side, Right" (p217). PG Lock Lever As the PG Cam (Bush, Shaft, Rear) and PG Detection Shield C H E C K P O I N T Plate operate simultaneously, the shield plate can be rotated by rotating the PG Cam.
  • Page 279 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Remove "Extension Spring, 2.58" from the frame and the two tabs of the "Installation Plate, Detector, HP". (Refer to Figure 4-97.) Tabs 5. Disconnect the connector from the "PG Phase Sensor". (Refer to Figure 4-98.) 6.
  • Page 280 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.7.8 CR Encoder Sensor Remove "Cover, Rear" (p223). 2. Move "Carriage Unit" to center of printer and remove the "Carriage Cover". CR Encoder Sensor (Refer to "4.2.4.3 C593_SUB Board" (p234).) 3. Disconnect the FFC from "CR Encoder Sensor".
  • Page 281 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.7.9 Scale, CR Left side of the printer Remove "Cover, Side, Left" (p216). Extension Spring, 3.86 Scale, CR Remove "Cover, Side, Right" (p217). 3. Move the "Carriage Unit" to the center of the printer.
  • Page 282 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.7.10 Pulley, Driven/Shaft, Pulley Remove "Cover, Side, Left" (p216). 2. Remove the E-ring that secures the "Shaft, Pulley" on the left back of the printer, and then remove the plain washer. (Refer to Figure 4-101.)
  • Page 283 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Pull the "Holder, Pulley" toward you, and then remove the "Shaft, Pulley" Assemble upward from the front and rear grooves on the "Holder, Pulley" together Belt, CR with the "Belt, CR" and the "Pulley, Driven".
  • Page 284 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.7.11 Solenoid, CR Remove "Carriage Unit" (p266). 2. Attach the "CUTTER CAP" to the cutter section of the "Carriage Unit". Tabs (Refer to Figure 4-110.) The "Cutter Cover", which covers the cutter blade projecting...

  • Page 285: Ink System

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8 Ink System Be sure to install the "Adjust Plate" to the rear of the C H E C K P O I N T "HEAD EXCHANGE SUPPORT TOOL" before removing 4.2.8.1 Printhead the "Printhead".
  • Page 286 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Remove "Scale, CR" (p281). 2. Move the "Carriage Unit" to match the sensor section on the rear of the "Carridge Unit" with the cutout of the "Cover, Rear". (Refer to Figure 4-106.) 3. Place the "CR SUS PLATE SUPPORT TOOL" on both sides of the "Carriage Unit"...
  • Page 287 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5. Remove the "Carriage Unit" following the order below. Cover, Rear (Refer to Figure 4-108.) 5-1. Pull the "Carriage Unit" toward you and press it against the "Shaft, Front" ( ) to make the bearings that are attached on the rear of the "Carrigage Unit"...
  • Page 288 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 8. Set the "Carriage Unit" on the "HEAD EXCHANGE SUPPORT TOOL". (Refer to Figure 4-110.) When setting the "Carriage Unit" on the "HEAD C H E C K CUTTER CAP EXCHANGE SUPPORT TOOL", take care not to bend the P O I N T "Tube, Supply, Ink".
  • Page 289 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C When performing the following work, do not keep the C A U T I O N "Carriage, C" too far because harnesses are connected to the "Carriage, C". Carriage, C 11. Slowly draw the "Carriage, C" to the directions shown in Figure 4-111 separate it from the "Carriage, B".
  • Page 290 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 12. Remove the three screws that secure the "Printhead", and then remove the CAUTION: Carriage, C "Printhead" from the "Carriage, C". (Refer to Figure 4-113.) Head, Harness C.P.P. 2.6x8: 3 pcs. If the "Absorber, CR" comes off when removing the "Printhead"...
  • Page 291 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.2 Valve Assy., Head When performing the following work, remove ink out of the Tube, Supply, Ink A D J U S T M E N T R E Q U I R E D ink route before removing the "Valve Assy., Head".
  • Page 292 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Make sure that the "O-ring, Coupling M7" is attached To prevent from both ink leak and damage on the joint approximately 2mm away from the end point of the screw, be sure to tighten the "Coupling Screw, M7" with "Tube, Supply, Ink".
  • Page 293 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3. Remove the "Head Unit" from the "Carriage Unit". (Refer to "4.2.7.1 Carriage Unit" (p266).) Plate, Damper 4. Separate the "Carriage, C" from the "Carriage, B". (Refer to "4.2.8.1 Printhead" (p285).) 5. Draw out the "Plate, Damper" with a plier or a similar tool.
  • Page 294 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.3 Gutter, Ink When removing the "Gutter, Ink", prepare pieces of cloth in C A U T I O N case the waste ink leaks or splatter inside the printer. Make sure that the ink is not ejected from the ink ejection route during the work.
  • Page 295 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6. Remove the screw securing "Gutter, Ink". (Refer to Figure 4-120.) C.B. (P1) 3x4: 1 pc. 7. Remove "Gutter, Ink" by following the steps below. (Refer to Figure 4-121.) 7-1. Slide "Gutter, Ink" to left side.
  • Page 296 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.4 I/H Left Unit / I/H Lever Sensor (Left) When performing the following work, remove ink out of the C A U T I O N the ink path before removing the "IH Left Unit". Refer to...
  • Page 297 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5. Remove the four screws securing "Guide, I/H, Left" and remove "Guide, I/ C.B.S. 3x6 H, Left" by pulling forward. (Refer to Figure 4-124.) C.B.S. 3x6: 4 pcs. 6. Remove the screw securing "Installation Plate, I/H Guide, A" and remove "Installation Plate, I/H Guide, A".
  • Page 298 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 7. Remove the screw securing "Installation Plate, I/H Guide, C" and remove "Installation Plate, I/H Guide, C". C.B.S. 3x6: 1 pc. The shapes of "Installation Plate, I/H Guide, A" and "Installation Plate, I/H Guide, C" differ, so be careful Installation Plate, I/H Guide, C C.B.S.
  • Page 299 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C When performing the following step, be careful not to bend C A U T I O N the "Tube, Supply, Ink" or scratch it with the edge of the frame. Notch Acetate Tape 8. Peel acetate tape and release the four "Tube, Supply, Ink" from the notch Tube, Supply, Ink of the frame.
  • Page 300 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 10. Remove the six screws securing the "I/H Left Unit" to the pinter. C.B.S. 3x8: 6 pcs. 11. Disconnect the FFCs from the CN1 to CN3 connectors on the “C593_SUB- Step 12 Acetate Tape D Board”, and pull out the FFCs toward the left side of the printer frame.
  • Page 301 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 14. Disconnect "Harness, CSIC"s (4 connectors: CN38, CN40, CN41, CN44) and "I/H Lever Sensor (Left)"s harness (CN37: black, 2 pin) from "C593_SUB-C Board". (Refer to "4.2.4.5 C593_SUB-C Board" (p238).) 15. Peel two pieces of acetate tape and release the four "Harness, CSIC"s and "I/H Lever Sensor (Left)"s harness.
  • Page 302 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Make the rear side screw stop tabs stay under the "Cover, Motor, PF". Cover, Motor, PF Screw Stop Tabs The four grounding springs on the top of the "I/H Left Unit" make contact with the printer frame, so install the "I/H Left Unit"...
  • Page 303 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 17. Pick up and release the two tabs securing the "I/H Lever Sensor (Left)" and remove the "I/H Lever Sensor (Left)". (Refer to Figure 4-133.) I/H Lever Sensor (Left) 18. Disconnect connector from "I/H Lever Sensor (Left)"...
  • Page 304 • Tightning torque: 1.25 ( ± 0.25) kgf • cm Prevent dust and dirt from getting inside the "Tube, Supply, Ink". The 4-color model (Stylus Pro 4400) is not equipped with "I/H C H E C K Right Unit", so all the eight "Tube, Supply, Ink"s are P O I N T connected to "I/H Left Unit".
  • Page 305 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.5 I/H Right Unit / I/H Lever Sensor (Right) When performing the following work, remove ink out of the C A U T I O N ink path before removing the "IH Right Unit". Refer to...
  • Page 306 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5. Remove the four screws securing "Guide, I/H, Right" and remove "Guide, I/ H, Right" by pulling forward. (Refer to Figure 4-138.) C.B.S. 3x6 C.B.S. 3x6: 4 pcs. 6. Remove the screw securing "Installation Plate, I/H Guide, B" and then remove "Installation Plate, I/H Guide, B".
  • Page 307 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 7. Remove the screw securing "Installation Plate, I/H Guide, C" and remove "Installation Plate, I/H Guide, C". C.B.S. 3x6: 1 pc. The shapes of "Installation Plate, I/H Guide, B" and "Installation Plate, I/H Guide, C" differ, so be careful C.B.S.
  • Page 308 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C When performing the following step, be careful not to bend C A U T I O N Acetate Tape the "Tube, Supply, Ink" or scratch it with the edge of the frame. 8. Peel acetate tape and release the four "Tube, Supply, Ink" from the notch of the frame.
  • Page 309 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 9. Disconnect "Harness, CSIC"s (5 connectors: CN39, CN42, CN43, CN45, CN461) and "I/H Lever Sensor (Right)" harness (CN36: white, 2 pin) from Step 10 "C511_SUB-B Board". Acetate Tape (Refer to "4.2.4.4 C511_SUB-B Board" (p236).) 10.
  • Page 310 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 11. Remove the four clamps securing the harnesses. (The "Sheet Ink Stopper" will be released at the same time.) Clamps "Sheet Ink Stopper, D" should be attached to the printer frame with the three tabs of the clamps inside the printer as...
  • Page 311 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 13. Peel off the acetate tape binding the FFC to release the FFC. (Refer to Figure 4-146.) 14. Release the four "Harness, CSIC"s and the "I/H Lever Sensor (Left)" harness from the two clamps and the acetate tape.
  • Page 312 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 15. Move "Carriage Unit" to center of printer. (Refer to "4.2.4.3 C593_SUB Board" (p234).) 16. Remove the two screws securing rear side of "I/H Right Unit". (Refer to Figure 4-148.) C.B.S. 3x6: 2 pcs.
  • Page 313 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 18. Pull the "I/H Right Unit" forward from the printer following the order below while pulling the "Harness, CSIC" and "I/H Lever Sensor (Right)" harness Paper Eject Unit Pull harness through this hole from the hole in the frame.
  • Page 314 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 21. Remove the two screws securing "Cover, Holder, IC, Right" and remove Cover, Holder, IC, Right "Cover, Holder, IC, Right". (Refer to Figure 4-152.) C.B.S. 3x6: 2 pcs. When the "Ink Lever" is installed against the angle set location as shown in the illustration, confirm that the two holes of "Fan Gear, 34"...
  • Page 315 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C When performing the following steps, be careful of the C A U T I O N points below. Ink may leak or splatter, so have cleaning rags ready and prevent ink from getting on the surrounding work area.
  • Page 316 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.6 Box Assy., Flushing / Pump Unit When removing the "Box Assy., Flushing" and "Pump Unit", C A U T I O N ink may leak from the "Box Assy., Flushing" ink discharge Location of interference port or the "Pump Unit"...
  • Page 317 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6. Remove the two screws securing the "Shaft, Transmission, PG Unit" and then remove the "Shaft, Transmission, PG Unit" by pulling it out of the hole in the frame. (Refer to Figure 4-155.) Harness C.B.S.
  • Page 318 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C When performing the following steps, be careful of the C A U T I O N Extension Spring, 0.262 points below. Do not lose "Extension Spring, 0.262". Lever, Lock, DE Use care not to pull "Extension Spring, 0.262" too much, or it may loose the spring force.
  • Page 319 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 9. Remove the "Lever, Lock, DE" by following the steps below. (Refer to Figure 4-158.) 9-1. Slide it to the right. Installation Hole 9-2. Bend it toward the center. Step 9-1 9-3. Remove the left end from the installation hole.
  • Page 320 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 10. Disconnect the connector from the "Pump Phase Sensor" from behind the printer. (Refer to Figure 4-159.) Pump Unit C.B.S. 3x8 11. Free all the harnesses from the U-shaped notch of the "Frame, Base, Side, Right".
  • Page 321 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C The "Pump Unit" must be reassembled properly. An Be sure to refer to Chapter 5 “Adjustment” (p.366) A D J U S T M E N T R E Q U I R E D incorrect assembly may cause malfunction of the printer and perform specified adjustments after replacing the "Box...
  • Page 322 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.7 Guide, Waste Ink 1. Remove "Pump Unit". Forward Guide, Waste Ink Rearward (Refer to "4.2.8.6 Box Assy., Flushing / Pump Unit" (p316).) 2. Remove the "Guide, Waste Ink" by following the steps below.
  • Page 323 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.8 Pump Phase Sensor 1. Remove "Pump Unit". Pump Cover (Refer to "4.2.8.6 Box Assy., Flushing / Pump Unit" (p316).) 2. Remove the two screws securing the "Pump Cover". (Refer to Figure 4-163.) C.B.P. 3x8: 2 pcs.
  • Page 324 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Peel off acetate tape. 5. Release tabs securing "Pump Phase Sensor" and then remove "Pump Phase Sensor". The "Shield Plate" inside the "Pump Cover" may come off when removing the "Pump Cover". If it comes off, install it as Acetate Tape shown in the illustration below.
  • Page 325 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.9 Holder, FFC 1. Move the "Carriadge Unit" depending on which "Holder, FFC" is removed with reference to both Figure 4-166 and the table below. "Holder, FFC" to be removed "Carriage Unit" position A ~ B...
  • Page 326 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3. Release the top and bottom tabs of the "Holder, FFC", and open the 4. Release the top tab of the "Holder, FFC" from the "Guide Plate, Tube", and "Holder, FFC". remove the "Holder, FFC" backward.
  • Page 327 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Check the followings after installing the "Holder, FFC". Each part should be properly installed in its prescribed space of the "Holder, FFC". K (PK or MK) Harness, Head (x2) Harness, Head, Intermit Tube, Supply, Ink...
  • Page 328 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.10 Holder, FFC; B 1. Move the "Carriadge Unit" depending on which "Holder, FFC; B" is removed with reference to both Figure 4-170 and the table below. "Holder, FFC; B" to be removed "Carriage Unit" position...
  • Page 329 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3. Release the top tab of the "Holder, FFC; B" to open the "Holder, FFC; B". 4. Release the top tab of the "Holder, FFC; B" from the "Guide Plate, Tube", and remove the "Holder, FFC; B" backward.
  • Page 330 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Check the followings after installing the "Holder, FFC; B". Each part should be properly installed in its prescribed space of the "Holder, FFC; B". K (PK or MK) Harness, Head (x2) Harness, Head, Intermit...
  • Page 331 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.11 Harness, Head, Intermit / Harness, Head 1. Remove the "Panel, Front". Cover, Tube (Refer to "4.2.3.5 Panel, Front/Panel Unit" (p219).) 2. Disconnect the "Harness, Head, Intermit" and the three "Harness, Head"s from the following connectors on the "C593 SUB-D Board".
  • Page 332 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6. Remove the five "Holder, FFC" ("Holder, FFC; B"). (Refer to p325 and , p328.) 7. Remove the "Carriage Cover". (Refer to "4.2.4.3 C593_SUB Board" (p234).) 8. While releasing the upper tab of the "Holeder, FFC, CR" ( ), slide the "Holeder, FFC, CR"...
  • Page 333 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 10. Peel off the three pieces of acetate tape that bundle the FFCs, then Acetate Tapes remove the "Harness, Head, C". (Refer to Figure 4-179.) 11. Release the "Harness, Head" from the "Printhead". (Refer to "4.2.8.1 Printhead" (p285).) 12.
  • Page 334 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.12 Harness, Head, Intermit 1. Remove the "Panel, Front". (Refer to "4.2.3.5 Panel, Front/Panel Unit" (p219).) 2. Disconnect the three "Harness, Head, Intermit"s from the following connectors on the "C593 MAIN Board".(Refer to "4.2.4.1 C593 MAIN Board"...
  • Page 335 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.13 Tube, Supply, Ink (Y/M/C/MK) on the Left Side of the The "O-ring, Coupling M7" should be attatched 2mm Main Unit away from the end point of the "Tube, Supply, Ink". When performing the following work, remove ink out of ink C A U T I O N path before removing the "Tube, Supply, Ink".
  • Page 336 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5. Loosen the "Coupling Screw, M7"s that secure the "Tube, Supply, Ink"s to the "Head Unit" to draw out the "Coupling Screw, M7"s. (Refer to Figure 4-185.) 6. Remove the "O-ring, Coupling M7"s and "Coupling Screw, M7"s from the "Tube, Supply, Ink"s.
  • Page 337 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 11. Release the "Tube, Supply, Ink" from the tabs of the "Holder, Tube, A". 12. Remove the three screws that secures the "Cover, Tube" to the printer Tabs frame, lift it upward, release the three upper tabs, and then remove the "Cover, Tube".
  • Page 338 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 13. Draw out the "Tube, Supply, Ink" to remove it from the front side of the printer. Tube, Supply, Ink Figure 4-189. Tube, Supply, Ink Removal Disassembly & Assembly Disassembly Procedures...
  • Page 339 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.8.14 Tube, Supply, Ink (LK/LC/LW/LLK) on the Right Side The "O-ring, Coupling M7" should be attatched 2mm of the Main Unit away from the head of the "Tube, Supply, Ink". When performing the following work, remove ink out of the C A U T I O N ink path befoe removing the "Tube, Supply, Ink".
  • Page 340 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5. Loosen the "Coupling Screw, M7"s that secure the "Tube, Supply, Ink"s to the "Head Unit" to draw out the "Coupling Screw, M7"s. (Refer to Figure 4-192.) 6. Remove the "O-ring, Coupling M7"s and "Coupling Screw, M7"s from the "Tube, Supply, Ink"s.
  • Page 341 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 11. Release the "Tube, Supply, Ink" from the tabs of the "Holder, Tube, A". 12. Remove the three screws that secures the "Cover, Tube" to the printer frame, lift it upward, release the three upper tabs, and then remove the "Cover, Tube".
  • Page 342 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 13. Draw out the "Tube, Supply, Ink" to remove it form the front side of the printer. Tube, Supply, Ink Figure 4-196. Tube, Supply, Ink Removal Disassembly & Assembly Disassembly Procedures...
  • Page 343 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.9 Paper Feed Mechanism 4.2.9.1 Release Unit C.B.S. 3x8 Remove "Cover, Rear" (p223). 2. Remove the screw securing "Cover, Inner, Release". (Refer to Figure 4-197.) C.B.S. 3x8: 1 pc. 3. Slide "Cover, Inner, Release" to right side, free the two ribs and remove it upward.
  • Page 344 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5. Remove the two screws securing "Release, Lever Unit". Install the "Release, Lever Unit" and "Spur Gear, 18" by (Refer to Figure 4-199.) following the steps below. C.B.S. 3x6: 2 pcs. 1. Seen through the cut-out hole in the "Release, Lever 6.
  • Page 345 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 7. Confirm that gears of "Intermittent Gear, 40" and "Release, Planetary Unit" are not engaged. If they are engaged, release engagement by moving "Release, Planetary Unit". (Refer to Figure 4-200.) 8. Rotate "Intermittent Gear, 40" in clockwise direction and look from the Intermittent Gear, 40 opposite side of the frame to align the hook and cut-out.
  • Page 346 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Dowels and Positioning Holes When performing the following step, be careful not to pull C A U T I O N the "PT Sensor Unit" too much because a harness is connected. 10. Remove the four screws securing the "PT Sensor Unit" and remove the "PT Sensor Unit".
  • Page 347 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 12. Remove the two screws securing "Release Unit". (Refer to Figure 4-204.) C.B.S. 3x6: 2 pcs. 13. Pull right side of "Release Unit" toward you, completely remove the right side of "Release Unit" while freeing the "Release Unit" ribs from the printer frame cut-out, and then remove the "Release Unit"...
  • Page 348 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.9.2 Paper Eject Unit Remove "Panel, Front/Panel Unit" (p219). Paper Eject Unit When performing the following steps, be careful not to take C A U T I O N hold of the Star Wheels of the "Paper Eject Unit".
  • Page 349 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.9.3 Motor Assy., PF Remove "Cover, Side, Left" (p216). 2. Disconnect "Motor Assy., PF" harness (CN14: black, 2 pin) from "C593 MAIN Board" and peel off the acetate tape to release the harnesses. (Refer to "4.2.4.1 C593 MAIN Board" (p226).) 3.
  • Page 350 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6. Release "Motor Assy., PF" harness from clamp shown in Figure 4-210. (Refer to Figure 4-210.) C.B.S. (P2) 3x6 7. Release "Extension Spring, 13.05" from "Plate, Motor, PF" hook and frame hook. (Refer to Figure 4-210.) 8.
  • Page 351 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.9.4 P_THICK Sensor (0.8) / P_THICK Sensor (0.3) Remove "Cover, Rear" (p223). 2. Remove "PT Sensor Unit". (Refer to "4.2.9.1 Release Unit" (p343).) Tabs 3. Disconnect connectors from "P_THICK Sensors". Connector Connector 4. Release the three tabs securing "P_THICK Sensor", and remove the "P_THICK Sensors".
  • Page 352 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.9.5 PE Sensor Remove "Release Unit" (p343). Hooks 2. As seen from the printer rear surface, release the two left "Extension Spring, 8.08"s from hooks on the frame. (Refer to Figure 4-213.) Extension Spring, 8.08 Extension Spring, 8.08...
  • Page 353 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6. Release the two tabs securing "PE Sensor" and remove "PE Sensor" from "Holder, Detector, PE". 7. Disconnect FFC from "PE Sensor". Checking front and back of FFC and connect properly. PE Sensor Tabs Figure 4-215.
  • Page 354 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.9.6 Rear Manual Insertion Sensor Remove "Holder, Roller, Unit" (p214). Remove "Paper Guide Assy., M, SP" (p215). Harness Installation Plate, Detector, Rear 3. Release "Rear Manual Insertion Sensor" harness from the two tabs. (Refer to Figure 4-216.) 4.
  • Page 355 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6. Release the two tabs securing "Rear Manual Insertion Sensor" and remove "Rear Manual Insertion Sensor" from "Installation Plate, Detector, Rear". (Refer to Figure 4-218.) Rear Manual 7. Disconnect the connector from "Rear Manual Insertion Sensor".
  • Page 356 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.9.7 Paper Eject Phase Sensor 1. Pull out "I/H Left Unit" from printer. Tabs (Refer to "4.2.8.4 I/H Left Unit / I/H Lever Sensor (Left)" (p296).) Paper Eject Phase Sensor 2. Release the two tabs securing "Paper Eject Phase Sensor" and remove "Paper Eject Phase Sensor".
  • Page 357 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.9.9 PF Encoder Sensor Remove "Cover, Side, Left" (p216). PF Scale Be careful not to deform or damage the "Scale, PF" attached C A U T I O N to the "Pulley, Roller, PF".

  • Page 358: Harness Routing

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.10 Harness Routing CSIC / IH/ Lever Sensor • Harness This section explains cautions and points in routing the harnesses. Referring to Should be connected to the "C593_SUB-C Board" through under the sheet this section, route the harnesses correctly. For the sections that is not as shown in the figure below.
  • Page 359 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Should be secured with the parts below. Harness, Head / Harness, R1 / Harness, R2 Clamp: 6 pcs. Should be routed along the outside of the two "Harness, Head"s and the "Harness, Head, Intermit" from the " C593_MAIN Board" until they reach the point where the "Harness, R1"...
  • Page 360 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.10.2 Harnesses on Right Side of Printer Routing on the right frame Should be secured with the parts below. Clamp: 4 pcs. Acetate tape: 6 pcs. Acetate tapes Clamps Acetate tapes Figure 4-228. Routing on the Right Frame Disassembly &...
  • Page 361 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Bundle the harnesses and secure them to the shaft shown in the figure Routing on the "Duct, Air, C" below with a cable tie. Route the harness via the tabs on the "Duct, Air, C"...

  • Page 362: Disassembly/Assembly Unique To 4-Color Model (Stylus Pro 4000)

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.11 Disassembly/Assembly Unique to 4-color To prevent from both ink leak and damage on the joint Model (Stylus Pro 4000) screw, be sure to tighten the "Coupring Screw, M7" with the prescribed torque and the tool specified below.
  • Page 363 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 3. Loosen the "Connecting Screw, M7"s that secure the eight "Tube, Supply, Ink"s and the four "Joint, Supply, Ink"s, and remove the "Tube, Supply, Ink"s from the "Joint, Supply, Ink"s. Confirm that "O-Ring, Coupling M7" has been installed.
  • Page 364 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Remove the "Connecting Screw, M7" that secures the "Tube, Holder, Ink", and remove the "Tube, Holder, Ink" from "I/H Left Unit". Confirm that "O-Ring, Coupling M7" has been installed. O-Ring, Coupling M7 The "Tube, Supply, Ink" has been marked with its color.
  • Page 365 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4.2.11.2 Cover, Front, Right 4 Color (4-color Model) Remove "Panel, Front/Panel Unit" (p219). Dowels and Positioning Holes 2. Remove the four screws that secure the "Cover, Front, Right 4 Color", and remove the "Cover, Front, Right 4 Color".
  • Page 366 C H A P T E R ADJUSTMENT...
  • Page 367 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.1 Overview 5.1.3 The Part/Unit that Requires Adjustment Parts/units that require adjustment after being replaced or removed are shown This section describes the adjustment procedures necessary after replacing in the table below. certain parts and explains how to perform those adjustment procedures.

  • Page 368: Adjustment Items Classified By Part/Unit

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.1.4 Adjustment Items classified by Part/Unit Table 5-2. Required Adjustment Items/Execution Order Name Adjustment Item Ref. Required adjustment items and execution order for each part/unit that has Main Board 21 Auto Bi-d Adjustment P.430 been replaced or removed is shown in the table below.
  • Page 369 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 5-2. Required Adjustment Items/Execution Order Table 5-2. Required Adjustment Items/Execution Order Name Adjustment Item Ref. Name Adjustment Item Ref. Cleaning Unit Reset When Cleaning Unit Change P.443 Damper Ink Discharge P.411 Print Head CR Timing Belt Tension Adjustment P.376...
  • Page 370 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 5-2. Required Adjustment Items/Execution Order Name Adjustment Item Ref. Motor Assy., PF PF Timing Belt Tension Adjustment P.378 T&B&S (Roll Paper) P.390 T&B&S (Cut Sheet) P.391 Reset PF Motor Counter P.441 Reset Paper Ejection Switching/PG P.441...

  • Page 371: Adjustment Item

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.1.5 Adjustment Item Printer adjustment items and their adjustment classification descriptions are shown in the tables below. Note "*1": AU = Adjustment program (utility) "*2": M2 = Maintenance Mode 2 (Refer to "1.4.6 Maintenance Mode 2 (p90)"...
  • Page 372 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 5-4. Standard Adjustment Method Adjustment Item Description Ref. Multi Sensor Adjustment for Auto Nozzle Corrects read timing of primary/secondary scan directions when Multi Sensor detects dot missing. P.402 Check Rear Sensor Adjustment Determines the AD value to become the reading standard for a new rear sensor and saves it to the Main P.407...
  • Page 373 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C CHECK RESULTS Table 5-6. Check Results Method Adjustment Item Description Ref. Check Nozzle Checks for absence of dot missing. P.436 Check Alignment Checks for absence of misalignment. P.437 Print Adjustment Check Pattern Prints all adjustment patterns and adjustment parameters and checks content.

  • Page 374: Adjustment Tools

    Note "*1": Adjustments can be performed even if this tool is not on hand, but the adjustment operation can be more easily performed by using the tool. The following tools are needed for Stylus Pro 4400/4450/4800/4880/4880C "*2": Supplied by 1 set as a tool.

  • Page 375: Adjustment Program Basic Operation

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.1.7 Adjustment Program Basic Operation Sequential Mode This is a guide mode for executing the required adjustments in a set order This section describes basic methods for operating the adjustment program. when a replaced part or unit is selected.

  • Page 376: Mechanical Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.2 Mechanical Adjustment 5. Bring the measurement microphone of the tension meter close to the center of the Timing Belt. 5.2.1 CR Timing Belt Tension Adjustment Set the tension meter fixed tool in a position so the distance...
  • Page 377 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 7. Turn the CR tension installation screw to adjust tension until the measurement value reaches the standard value. 8. After adjustment is complete, check the results by repeating the measurement 3 times. CR Tension Installation screw Figure 5-5.

  • Page 378: Pf Timing Belt Tension Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.2.2 PF Timing Belt Tension Adjustment 3. Press the MEASURE button on the tension measurement tool and measure by plucking the timing belt with a tool such as tweezers. This adjustment applies to all operations that have loosened the PF Timing Belt, such as "Motor Assy., PF"...
  • Page 379 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. No adjustment is necessary if the measurement value is within the (+) Bind S-tight with plane washers 2 standard value. If the value is outside the standard value, use the following procedure to adjust the tension until it reaches the standard value.

  • Page 380: Paper Thickness Sensor Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.2.3 Paper Thickness Sensor Adjustment 7. Raise "Paper Lever", set 0.4 adjustment tool as shown in Figure 5-8, and then lower "Paper Lever". When the paper thickness sensor has been replaced, it must be made to Confirm that "Sen: Paper 01"...
  • Page 381 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Adjustment Procedure Adjusts position of "Paper Thickness Sensor Holder" for when [Paper Screws Lever] is lowered with adjustment tool 0.3/0.4 or "Paper Lever" is lowered with no adjustment tool and when "Paper Lever" is lowered with adjustment jig 0.8/0.9 or "Paper Lever"...

  • Page 382: Cr Encoder Sensor Position Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.2.4 CR Encoder Sensor Position Adjustment This is intended to keep the CR Encoder Sensor and CR Scale at a suitable space. Procedure 1. Move the Carriage Unit and check the position of the "Scale, CR"...

  • Page 383: Pg Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.2.5 PG Adjustment Required Tools Bushing, Shaft, Rear Thickness Gauge T=0.75 Thickness Gauge T=0.65 Procedure 1. Open the top cover and put suitable objects into the top cover sensor area to keep the sensor turned on. Make sure that the panel display is changed from "TOP COVER OPEN"...
  • Page 384 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Always move the "Carriage Unit" by pulling the "Belt, CR" in C A U T I O N the following steps. Holding and moving the "Carriage Unit" may cause deformation of the PG due to the downward pressure.

  • Page 385: Multi Sensor Position Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.2.6 Multi Sensor Position Adjustment Bushing, Shaft, Rear Lever, Lock, PG This adjustment sets a suitable distance between the Multi Sensor (Multi Sensor Holder) and the platen. Required Tools Multi Sensor Position Tool CR Lock Tool Procedure 1.
  • Page 386 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Set the CR Lock Tool. Set the CR Lock Tool into the 2 holes on the printer frame, and then fix the tool by pinching with the bearings of the Carriage Unit. 5. Loosen the two screws securing the "Multi Sensor Holder".

  • Page 387: Basic Adjustment

    5.3 Basic Adjustment IEEE 1394 ID Label 5.3.1 RTC&USB ID&IEEE1394 ID Writing IEEE1394 ID is Stylus Pro 4400/4800 only. C H E C K P O I N T Writes the RTC Backup Battery Reset Time, USB ID, and IEEE 1394 ID on a new Main Board.

  • Page 388: Head Rank Id

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.2 Head Rank ID Sets/Inputs the information unique to each print head as the Head Rank ID for the best driving voltage setup after replacing the print head. (It can be read from and written to a file.) Procedure for Writing <When applying the Head Rank ID on the ID label stuck to the print head.

  • Page 389: Multi Sensor Level Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.3 Multi Sensor Level Adjustment Paper is fed into the printer, the Multi Sensor emits light onto the paper and platen, the reflected light is received by the Multi Sensor, and detection level is corrected automatically.

  • Page 390: T&B&S (Roll Paper)

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.4 T&B&S (Roll Paper) When measuring colors, place the adjustment pattern on C A U T I O N a flat surface. This adjusts the printing position that includes the cut position on the surface of...

  • Page 391: T&B&S (Cut Sheet)

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.5 T&B&S (Cut Sheet) This prints a special pattern and adjusts the printing position on the surface of the paper. Paper Used Size: Type: Enhanced Matte Cut Sheet Specifications Top margin: 10 ± 1 mm Bottom margin:114 ±...

  • Page 392: Cutter Pressure Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.6 Cutter Pressure Adjustment 10. If the result is below standard, press "Menu(>)" to raise the cutter, press "Paper Feed(Δ)" + "Paper Feed(∇)" to change the value (%) , Adjusts the pressure to cut papers after replacing the cutter solenoid.

  • Page 393: Nozzle Bi-D Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.7 Nozzle Bi-D Adjustment Performs standard adjustment of matte black nozzle columns. Adequately adjusts matte black Bi-D before performing Bi-D adjustment for all nozzles. Paper Used Size: 17" Type: Enhanced Matte Roll Paper Procedure 1.

  • Page 394: Print Head Slant Adjustment (Pf)

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.8 Print Head Slant Adjustment (PF) 4. Seeing the pattern in the direction shown in Figure 5-32, check the clearance gap between the second and the third blocks from the right. Papers Required (See figure...
  • Page 395 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C If the bottom side of the gap is wider (Pattern 3): Raise the "Cam, Inclination, R". Paper Feed Direction 8. Tighten the four screws that are loosened in Procedure 6 in the order below.
  • Page 396 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Head Fixing Screws Cam, Inclination,R Figure 5-34. Head Fixing Screws and the Cam , Inclination, R.3 Adjustment Basic Adjustment...

  • Page 397: Print Head Slant Adjustment (Cr)

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.9 Print Head Slant Adjustment (CR) Papers Required Size: 16" Type: Premium Glossy Photo Paper Procedure 1. Turn the printer power on. 2. Start up the adjusting program, select [Print Head Slant Adjustment (CR)] and click [Print] to print the adjustment pattern. After the printing is finished, the Carriage Unit moves to the center of the printer (adjustment position).
  • Page 398 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Seeing the pattern in the direction shown in Figure 5-36, check the clearance gap between the light magenta and magenta for both right and left columns of the third, ninth, and fifteenth blocks from the right.
  • Page 399 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6. Open the top cover and loosen the two screws that secure the "Stopper, Carriage" shown in Figure 5-37. 7. Loosen the four head fixing screws (A, B, C, and D) shown in Figure Lever, Cam 5-37.
  • Page 400 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 14. Check if the dots of each nozzle line are positioned as shown in Figure 5-38. 15. Click [Next] twice to go back to Screen4, then click [Run]. The "Carriage Unit" moves to its home position and the paper is reeled off.

  • Page 401: Auto Uni-D Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.10 Auto Uni-d Adjustment D row G row Performs Auto Uni-D Adjustment with the Multi Sensor. When the adjustment F row pattern is printed, the adjustment; from scanning the pattern to correcting, is A row VSD1 executed automatically.

  • Page 402: Multi Sensor Adjustment For Auto Nozzle Check

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.11 Multi Sensor Adjustment for Auto Nozzle Check This adjustment prints a special pattern and scans it with the Multi Sensor, and then the difference between the position (drive pulses of the CR/PF Motors) read by the Multi Sensor and the standard value is registered as the correction value information.
  • Page 403 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 4. Selecting [Print Check Pattern] and clicking the [Run] button will print the confirmation pattern. Two patterns are printed (dot missing/no dot missing) and read by the Multi Sensor, and then the results are printed along with the patterns.

  • Page 404: Skew Check

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.12 Skew Check Paper Used Size: 17" Type: Enhanced Matte Roll Paper Procedure 1. Turn the printer on. 2. Start the adjustment program and select [Skew Check]. 3. When the [Run] button is clicked, the paper will be ejected and the paper skew amount will be measured by the Multi Sensor.

  • Page 405: Platen Position Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.13 Platen Position Adjustment This adjusts the printing position for the sponge position used during borderless printing. Paper Used Size: 17" Type: Enhanced Matte Roll Paper Adjustment Procedure 1. Turn the printer on. 2. Start the adjustment program and select [Platen Position Adjustment].
  • Page 406 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Check Procedure 1. Click the [Check] button to print the check pattern. 2. Refer to Figure 5-49 and check the positions of the printed adjustment line and the platen tab. If there is no slip, click the [Finish] button.

  • Page 407: Mm Feed Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.14 1000mm Feed Adjustment Paper Used Size: 17" Type: Enhanced Matte Roll Paper Procedure Measurement 1. Turn the printer on. 2. Start the adjustment program and select [1000mm Feed Adjustment]. 3. Click the [Print] button and the adjustment pattern will be printed.

  • Page 408: Initial Ink Charge Flag On/Off

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.15 Initial Ink charge flag ON/OFF Procedure 1. Enter Maintenance Mode 2. Power off → Press "Paper Source (<)" + "Paper Feed (Δ)" + "Paper Feed (∇)" →Power on 2. Start the adjustment program and select [Initial Ink chrge flag ON/ OFF].

  • Page 409: Nvram Back Up And Write

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.16 NVRAM Back Up and Write 4. Enter Maintenance Mode 2. Power off → Press "Paper Source (<)" + "Paper Feed (Δ)" + "Paper Reads and saves each parameter stored in NVRAM on the Main Board before Feed (∇)"...

  • Page 410: Check Platen Gap

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.17 Check Platen Gap This checks whether or not "Lever, Lock, PG" (used for fixing the PG position) is fixing "Bushing, Shaft, Rear" in a suitable position. Procedure 1. Turn the printer power on.

  • Page 411: Ink Discharge

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.18 Ink Discharge Before removing the Damper (Valve Assy., Head), discharge the ink remaining in the equipment by following the procedure below. Procedure 1. Turn the printer power on. 2. Start up the adjustment program and select [Ink Discharge].

  • Page 412: Initial Ink Charge

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.19 Initial Ink Charge 5.3.20 Cleaning Procedure Check the amount of ink remaining before starting Initial Ink C A U T I O N 1. Turn the printer power on. Charge. If the remaining ink is less than 50%, replace the ink 2.

  • Page 413: Rear Sensor Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.21 Rear Sensor Adjustment Microtrace When the rear sensor has been replaced, the AD value for setting a paper detection standard must be acquired and stored in the Main Board. Required Tool Microtrace #300 (A4) Procedure 1.

  • Page 414: Colorimetric Calibration (Color Id)

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.22 Colorimetric Calibration (Color ID) 5.3.22.1 Adjustment Overview PURPOSE By registering/controlling information concerning the ink droplets, this product improves calibration accuracy and ensures stable color quality. (Difference in color among individual products or each mode is reduced.) (Refer to 2.5...
  • Page 415 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.3.22.2 Adjusting Method <Entire Process Workflow> <Separate Workflow> TOOLS REQUIRED Table 5-10. Tools Required At repair work site At repair work site Tool Application/Specification Cleaning Cleaning Plain Paper (A4) For nozzle check and printing surface protection...
  • Page 416 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C ADJUSTMENT PROCEDURE (ENTIRE PROCESS WORKFLOW) 1. Turn the printer power on. 2. Start the adjustment program, and select [Colorimetric Calibration Tool]. 3. Click [Run] to start the “Colorimetric Calibration Tool”. 4. Click the [Perform entire process] button.
  • Page 417 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 9. Load an A4-sized paper vertically on the paper tray, select "Automatic Nozzle Check" from the “Types of Nozzle Check” box , and click [Next] to start the nozzle check. 10. Load an A3-sized paper horizontally on the paper tray and click [Next] to perform the alignment check.
  • Page 418 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 13. Make sure there is no missing dots in the nozzle check pattern at the bottom of the calibration chart. If there are missing dots, click [Print Calibration Chart Again]. The calibration chart will be printed again after performing cleaning.
  • Page 419 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Printed date and time Main unit serial number OS type Black ink type 2005-04-11 14:44 (GMT 2005-04-11 05:44) S/N:0000000000 OS:Win BlackInk:Matte 2005-04-18 14:39 (GMT 2005-04-18 05:39) Printer:EPSON Stylus Pro 4800 Measurable date and time...
  • Page 420 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 20. Click [OK] and follow the instructions (following procedure) displayed on When measuring colors, pay attention to the instructions C A U T I O N the screen to perform color measuring. below. 1. Set the calibrator with its measuring part matched with measuring start Take more than 10 seconds to measure one line.
  • Page 421 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Start position in the color measuring End position in the color measuring Figure 5-68. Setting the Calibrator/Measuring Position Figure 5-70. Color Measuring Order Figure 5-69. Color Measuring Screen Adjustment Basic Adjustment...
  • Page 422 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 22. Make sure that the "READY" message is displayed on the printer LCD panel, and click [Next] to write the Color ID to the printer main unit. 23. When the writing is complete, click the [Next] button.
  • Page 423 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 24. Load an A4-sized Archival Matte Paper vertically on the paper tray, and click [Next] to print the first page (Sheet1) of the verify chart. Never touch the printed calibration chart. C A U T I O N 25.
  • Page 424 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 31. Make sure that the date and time printed in the second line on the upper left of the chart(measurable time and date) is within the range displayed Sheet number Main unit serial number under the heading "GMT"...
  • Page 425 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 33. Click [OK] and follow the instructions (following procedure) displayed on the screen to perform color measuring. 1. Set the calibrator with its measuring part matched with measuring start position (gray part) as shown in Figure 5-68.
  • Page 426 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 36. Click [Save] to save the result under a new file name (txt file). 37. Click the [End] button. Figure 5-78. Entire Process Screen Adjustment Basic Adjustment...
  • Page 427 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C ADJUSTMENT PROCEDURE (SEPARATE WORKFLOW) Printing Calibration Chart (at repair work site) 1. Turn the printer power on. 2. Start the adjustment program and select [Colorimetric Calibration Tool]. 3. Click [Run] to start “Colorimetric Calibration Tool”.
  • Page 428 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Creating Color ID Data (at color measuring site) 1. Start the adjustment program, and select [Colorimetric Calibration Tool]. 2. Click [Run] to start “Colorimetric Calibration Tool”. 3. Click [Color ID]. Perform the color measurement 4.
  • Page 429 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Writing Color ID (at repair work site) 1. Start the adjustment program and select [Colorimetric Calibration ID]. 2. Click [Run] to start “Colorimetric Calibration Tool”. 3. Click [Write Color ID]. 4. Perform Step 5 to 6 of "Adjustment Procedure (Entire Process Workflow)"...

  • Page 430: Advanced Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.4 Advanced Adjustment E row VSD1 D row G row 5.4.1 Auto Bi-d Adjustment F row A row H row Performs Auto Bi-D Adjustment with the Multi Sensor. When the adjustment C row pattern is printed, this is automatically executed from scanning of the pattern to B row correction.

  • Page 431: Manual Bi-D Adjustment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.4.2 Manual Bi-D Adjustment 8. Click [Next]. ( Adjusts Bi-D by inspecting visually. Papers required Size: 17" Type: Enhanced Matte Roll Paper Procedure 1. Turn the printer power on. 2. Start up the adjustment program and select [Manual Bi-D Adjustment].
  • Page 432 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Print Mode Indicates the value of the center pattern # 1 [ Bi-D VSD 1 PG=1.2 ] (Step = 2) PK/MK = 8 (0) PK/MK = 8 (0) Center Pattern (+) direction <- ->(-) direction # 1 [ Bi-D VSD 1 PG=1.2 ] (Step = 2)
  • Page 433 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 9. Click [Print] to print the color adjustment patterns consist of three rows (VSD1, VSD2, and VSD3 mode). ( Indicates the value of the center pattern 10. Examine the printout patterns (except MK colored patterns) for each of...

  • Page 434: Destination Setting

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.4.3 Destination Setting Procedure 1. Turn the printer on. 2. Start the adjustment program and select [Change Model Name]. 3. Select the "Others" and click the [Run] button to set the destination to the NVRAM.
  • Page 435 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.4.4 PF Micro Feed Adjustment (Bi-D) (TBD) By using the "Paper Feed Adjuster" tool, it is possible to adjust print quality for papers which are frequently used by users. “Paper Feed Adjuster“ tool works as follows: Adjustment: Adjusts “Paper Feed Amount“...

  • Page 436: Check Results

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.5 Check Results 5.5.1 Check Nozzle This checks whether or not each of the head nozzles is jetting ink normally. If nozzle ink jetting is abnormal, execute cleaning and check the nozzles again. Paper Used Size: 17"...

  • Page 437: Check Alignment

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.5.2 Check Alignment This checks for presence/absence of alignment slip. Check all of the printing modes VSD1, VSD2, and VSD3. If alignment is slipped, execute cleaning and check the alignment again. Paper Used Size: 17"...

  • Page 438: Print Adjustment Check Pattern

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.5.3 Print Adjustment Check Pattern This prints all of the adjustment patterns and the adjustment parameters stored in the printer. Paper Used Size: 17" Type: Enhanced Matte Rool Paper Procedure 1. Turn the printer on.

  • Page 439: Image Printing

    C A U T I O N specify the paper size from the printer print setting. "Single Weight Matte Paper" should be used when printing with Stylus Pro 4400/4450. Procedure 1. Turn the printer power on. 2. Click [Browse], and select any image file (bmp) in “tanzaku“ folder, which is inside the folder (adjwiz2) that stores adjustment program data.

  • Page 440: Check Cutting

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.5.5 Check Cutting This cuts the paper and checks for cutter adjustment and cutter wear. Paper Used Size: 17" Type: Enhanced Matte Roll Paper Procedure 1. Turn the printer on. 2. Start the adjustment program and select [Cut Check].

  • Page 441: Reset Counters

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.6 Reset Counters 5.6.2 Reset PF Motor Counter Procedure 5.6.1 Reset Paper Ejection Switching/PG Switching 1. Turn the printer power on. Counter 2. Start the adjustment program and select [Reset PF Motor Counter]. 3. Click the [Run] button to clear the PF Motor life counter.

  • Page 442: Reset Asf Counter

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.6.3 Reset ASF Counter 5.6.4 Reset When CR Unit Change Procedure Procedure 1. Turn the printer power on. 1. Turn the printer power on. 2. Start up the adjustment program and select [Reset ASF Counter].

  • Page 443: Reset When Cleaning Unit Change

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.6.5 Reset When Cleaning Unit Change 5.6.6 Reset When Printhead Change Procedure Procedure 1. Turn the printer power on. 1. Turn the printer power on. 2. Start the adjustment program and select [Reset When Cleaning Unit 2.

  • Page 444: Installing Firmware

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.7 Installing Firmware Firmware for the printer is written to the Flash ROM on the Main Board. Use the following procedure to write the firmware to the Flash ROM when the Main Board is replaced or the firmware needs to be updated.

  • Page 445: Installing Firmware For Sp 4400 (4-Color Model) After Replacing Main Board With New One

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.8 Installing Firmware for SP 4400 (4-color model) after replacing Main Board with New one The firmware preinstalled on the main board provided as ASP is for 8-color model. If you have replaced the main board of 4-color model with a new one, 11.

  • Page 446: Device Id Setting

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.9 Device ID Setting Stylus Pro 4450/4880/4880C only. C H E C K P O I N T Procedure 1. Turn the printer ON, and start the Adjustment Program. 2. Select the printer name.

  • Page 447: Writing Mac Address

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 5.10 Writing MAC Address The MAC address of this printer is recorded on the Flash ROM of the main board. When replacing the main board, make sure to write the MAC address to the new board as follows.
  • Page 448 C H A P T E R MAINTENANCE...
  • Page 449 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6.1 Overview Ensure adequate work space for performing service/ C A U T I O N maintenance. This chapter describes maintenance operations that are required during The printer should be set in a place where there is no servicing.

  • Page 450: Product Life Information

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 6.1.2 Important Maintenance Items During Service The cutter uses a very hard blade that is unusually C A U T I O N Operations brittle, so do not allow it to be damaged by bumping into objects such as metal printer parts.

  • Page 451: Lubrication

    Figure 6-1. Flame Assy., IC (left / right) poor printer operation. Note that the Stylus Pro 4400/4450/4800/4880/4880C and the Stylus Pro 4000 have the same points to be lubricated but is specified to use different types of •...
  • Page 452 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C • Lubrication Point • Lubrication Point Applies on the ribs on the front and Ribs on the front and back sides of back sides of "Slider, CR Lock". Applies along the part indicated in "Slider, CR Lock"...
  • Page 453 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C • Lubrication Point • Lubrication Point Cam part of "INTERMITTENT GEAR, E shaft of "Frame, Sub, Right" and E shaft 40" pinion gear part of "Motor Assy., PG" • Lubrication Type • Lubrication Type...
  • Page 454 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C • Lubrication Point • Lubrication Point Spur Gear 25.6 "Spur Gear 44.74", "Spur Gear 25.6", Shaft part of "LEVER, CHANGE small gear of "Combination Gear PAPER EJECT, R" Combination Gear 12.8.36", and large gear of 12.8.36...
  • Page 455 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C • Lubrication Point • Lubrication Point Applys on both side Both side surfaces of "Shaft, Upper part of Ribs of "Carriage" (4 surfaces of the holder Connection" (2 places) and "Carriage, places, lubrication point: A;B Right Side"...
  • Page 456 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C • Lubrication Point End part of "Lever, lock, PG" • Lubrication Type G-26 • Lubrication Amount Φ1mm x approximately 3mm • Remarks Use a syringe/needle (JIS 17# or equivalent) for application. Wipe out lubricant with a dry cloth to make the end part slightly coated with lubricant.
  • Page 457 C H A P T E R APPENDIX...

  • Page 458: Connectors

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 7.1 Connectors C593 Main Board CA00 Main Board Table 7-2. C699 Main Board Connectors List Table 7-1. C593 Main Board Connectors List CN.No. Pins Color Connected to Remarks CN.No. Pins Color Connected to Remarks...
  • Page 459 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Power Supply Board C511_SUB-B Board(Relay Board2) Table 7-3. Power Supply Board Connector List Table 7-6. C511_SUB-B Board Connectors List CN.No. Pins Color Connected to Remarks CN.No. Pins Color Connected to Remarks White AC Inlet...
  • Page 460 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C C593_SUB-C Board(Relay Board3) C593_SUB-D Board Table 7-7. C593_SUB-C Board Connectors List Table 7-8. C593_SUB-D Board Connectors List CN.No. Pins Color Connected to Remarks CN.No. Pins Color Connected to Remarks CN24 White PF_ENC — Board Assy Main (CN7)

  • Page 461: Panel Board

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Panel Board C593_SUB-C Board C593_SUB-D Board C511_SUB-B Board Pump Phase Sensor Paper eject phase I/H Lever Sensor (Left) C593_SUB Board Sensor Paper Eject Cancel Sensor PG Phase Sensor PF Encoder P Cover Multi CR Encoder...
  • Page 462 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Panel Board C593_SUB-C Board C593_SUB-D Board C511_SUB-B Board Pump Phase Sensor I/H Lever Sensor (Left) Paper eject phase C593_SUB Board Sensor Paper Eject Cancel Sensor PG Phase Sensor PF Encoder P Cover Multi I/H Lever Sensor (Right)

  • Page 463: Exploded Diagrams

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 7.2 Exploded Diagrams Appendix Exploded Diagrams...
  • Page 464 116 for J P N P X-6200S / E P S ON S T Y LUS P R O 4400 No.1 R ev.01 C 593-C AS E -011C 4...
  • Page 465 116 for J P N P X-6500 / E P S ON S T Y LUS P R O 4800 No.1 R ev.01 C 593-C AS E -011C 8...
  • Page 466 P X-6200S ,6500 / E P S ON S T Y LUS P R O 4400,4800 No.2 R ev.01 C 593-C AS E -021...
  • Page 467 AG 1 AF 1 AE 1 AK 2 AJ 2 P X-6200S / E P S ON S T Y LUS P R O 4400 No.3 R ev.01 C 593-E LE C -011...
  • Page 468 P X-6200S / E P S ON S T Y LUS P R O 4400 No.4 R ev.01 C 593-ME C H-011C 4...
  • Page 469 P X-6500 / E P S ON S T Y LUS P R O 4800 No.4 R ev.01 C 593-ME C H-011C 8...
  • Page 470 577x3 578x3 577x3 578x3 577x3 578x3 577x3 578x3 P X-6200S / E P S ON S T Y LUS P R O 4400 No.5 R ev.01 C 593-ME C H-021C 4...
  • Page 471 P X-6500 / E P S ON S T Y LUS P R O 4800 No.5 R ev.01 C 593-ME C H-021C 8...
  • Page 472 AG 2 AG 1 AE 2 AF 2 AE 1 AF 1 P X-6200S ,6500 / E P S ON S T Y LUS P R O 4400,4800 No.6 R ev.01 C 593-ME C H-031...
  • Page 473 AK 1 AJ 1 AE 2 AG 2 AF 2 689 690 682 681 661x17 AK 2 AJ 2 AK 1 AJ 1 P X-6200S / E P S ON S T Y LUS P R O 4400 No.7 R ev.01 C 593-ME C H-041...
  • Page 474 708x4 707x4 709x4 708x4 707x4 708x4 707x4 710x4 708x4 707x4 703 703 703 703 P X-6200S ,6500 / E P S ON S T Y LUS P R O 4400,4800 No.8 R ev.01 C 593-ME C H-051...
  • Page 475 790-A 790-B 790-C 790-D 790-E 790-A 790-B 790-C 790-D 790-E 790-A 790-B 790-C 790-D 790-E U1 U3 P X-6200S ,6500 / E P S ON S T Y LUS P R O 4400,4800 No.9 R ev.01 C 593-ME C H-061...
  • Page 476 811A P X-6200S ,6500 / E P S ON S T Y LUS P R O 4400,4800 No.10 R ev.01 C 593-ME C H-071...
  • Page 477 P X-6200S ,6500 / E P S ON S T Y LUS P R O 4400,4800 No.11 R ev.01 C 593-ME C H-081...
  • Page 478 918 919 906x16 P X-6200S ,6500 / E P S ON S T Y LUS P R O 4400,4800 No.12 R ev.01 C 593-ME C H-091...
  • Page 479 P X-6200S ,6500 / E P S ON S T Y LUS P R O 4400,4800 No.13 R ev.01 C 593-ME C H-101...
  • Page 480 P X-6200S ,6500 / E P S ON S T Y LUS P R O 4400,4800 No.14 R ev.01 C 593-P AC K -11...

  • Page 481: Parts List

    EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C 7.3 Parts List Table 7-9. Stylus Pro 4400 Figure Part Name Stylus Pro 4400 “FAN MOTOR,FRAME,SHIELD” Table 7-9. Stylus Pro 4400 “COVER,HARNESS;B” “FILTER,FAN ASSY.” Figure Part Name “COVER,CONECTER,UPPER;B” “HOLDER,ROLL ASSY.,C593” “COVER,I/F” “HOLDER ASSY.,ROLL,L,SP” “GROUND PLATE,IF”...
  • Page 482 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-9. Stylus Pro 4400 Table 7-9. Stylus Pro 4400 Figure Part Name Figure Part Name “HARNESS,PANEL” “MOUNT PLATE,BASE,IH,RIGHT” “LOGO PLATE,13X54;G” “TUBE,SUPPLY,INK,LLK” “FRAME ASSY.,IC,LEFT” “TUBE,SUPPLY,INK,LC” “MOUNTING PLATE,HOLDER,IC,L” “TUBE,SUPPLY,INK,LM” “FRAME,HOLDER,IC,UPPER” “TUBE,SUPPLY,INK,ALK” “FRAME,HOLDER,IC,LOWER” “HARNESS,CSIC,BK” “PRESSING PLATE,IC”...
  • Page 483 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-9. Stylus Pro 4400 Table 7-9. Stylus Pro 4400 Figure Part Name Figure Part Name “HARNESS,R2,C593” “DETECTOR,LEAF,B2” “HARNESS,L1,C593” “COVER,DETECTOR,PAPER GUIDE,MIDDLE” “HARNESS,L2,C593” “HARNESS,DETECTOR,PAPER GUIDE CENTER,C593” “HARNESS,PANEL,INTERMIT,C593” “POROUS PAD,FRAME,SUB,RIGHT” RECYCL CLAMP “CASE FEET,CP-30-FF-4A,BLACK” “GUTTER,INK ASSY.C593,ESL,ASP”...
  • Page 484 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-9. Stylus Pro 4400 Table 7-9. Stylus Pro 4400 Figure Part Name Figure Part Name “COMPRESSION SPRING,0.52” “BOARD ASSY.,ENCODER” “GROUND PLATE,B;B” “HOLDER,TUBE,B,C593” “LEVER,INCLINATION” “PAD,TUBE” “EXTENSION SPRING,3.81” “HOLDER,TUBE,A,C593” “CARRIAGE,A;B” “BOARD ASSY.,SUB” “PLATE,BEARING,L,C593” “HARNESS,ENCODER” “LEVER,CAM,C593”...
  • Page 485 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-9. Stylus Pro 4400 Table 7-9. Stylus Pro 4400 Figure Part Name Figure Part Name “SHEET,FRAME,RIGHT” “EXTENSION SPRING,15.98” “EXTENSION SPRING,2.41” “INTERMITTENT GEAR,40” “LEVER,LOCK,DE” “SPUR GEAR,18” “SPUR GEAR,38” “LEVER,RELEASE,ROLLER,DRIVEN” “INTERMITTENT GEAR,RELEASE,TRANSMIT” “TORSION SPRING,615” “COMBINATION GEAR,22,16.8”...
  • Page 486 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-9. Stylus Pro 4400 Table 7-9. Stylus Pro 4400 Figure Part Name Figure Part Name “POROUS PAD,PAPER GUIDE,FRONT,E” “LEVER,PAD,RELEASE,RIGHT” “PAPER GUIDE,FRONT,RIGHT,ASSY.ESL,ASP” “EXTENSION SPRING,0.62” “POROUS PAD,PAPER GUIDE,FRONT,C” “COMPRESSION SPRING,1.47” “POROUS PAD,PAPER GUIDE,FRONT,B” “LEVER,PAPER RETURN,LEFT”...
  • Page 487 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-9. Stylus Pro 4400 Table 7-9. Stylus Pro 4400 Figure Part Name Figure Part Name NON FIG CODE TYPE MICROPHONE(U-505) NON FIG TENSION GAUGE(5N;STD) NON FIG MULTI SENSOR POSITION TOOL NON FIG TENSION GAUGE(10N)
  • Page 488 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Stylus Pro 4800 Table 7-10. Stylus Pro 4800 Table 7-10. Stylus Pro 4800 Figure Part Name Figure Part Name “FILTER,FAN ASSY.” “HOLDER,ROLL ASSY.,C593” “COVER,CONECTER,UPPER;B” “HOLDER ASSY.,ROLL,L,SP” “COVER,I/F” “HOLDER ASSY.,ROLL,R,SP” “GROUND PLATE,IF” ADAPTER “PAD,AIR SEAL,D”...
  • Page 489 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-10. Stylus Pro 4800 Table 7-10. Stylus Pro 4800 Figure Part Name Figure Part Name “FRAME ASSY.,IC,LEFT” “TUBE,SUPPLY,INK,LC” “MOUNTING PLATE,HOLDER,IC,L” “TUBE,SUPPLY,INK,LM” “FRAME,HOLDER,IC,UPPER” “TUBE,SUPPLY,INK,ALK” “FRAME,HOLDER,IC,LOWER” “HARNESS,CSIC,BK” “PRESSING PLATE,IC” “HARNESS,CSIC,LC” “TORSION SPRING,158.6” “HARNESS,CSIC,LM” “FAN GEAR,34”...
  • Page 490 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-10. Stylus Pro 4800 Table 7-10. Stylus Pro 4800 Figure Part Name Figure Part Name “HARNESS,L2,C593” “HARNESS,DETECTOR,PAPER GUIDE CENTER,C593” “HARNESS,PANEL,INTERMIT,C593” “POROUS PAD,FRAME,SUB,RIGHT” RECYCL CLAMP “CASE FEET,CP-30-FF-4A,BLACK” “GUTTER,INK ASSY.C593,ESL,ASP” “BOARD ASSY.,SUB” “BOARD ASSY.,SUB” “HARNESS,HEAD,INTERMIT,A”...
  • Page 491 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-10. Stylus Pro 4800 Table 7-10. Stylus Pro 4800 Figure Part Name Figure Part Name “LEVER,INCLINATION” “PAD,TUBE” “EXTENSION SPRING,3.81” “HOLDER,TUBE,A,C593” “CARRIAGE,A;B” “BOARD ASSY.,SUB” “PLATE,BEARING,L,C593” “HARNESS,ENCODER” “LEVER,CAM,C593” “COVER,TUBE,C593” “STOPPER,CARRIAGE” “GUIDE,TUBE,CR,C593” “SHAFT,INCLINATION CAM” “SHEET,TUBE” “HARNESS,HEAD,A”...
  • Page 492 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-10. Stylus Pro 4800 Table 7-10. Stylus Pro 4800 Figure Part Name Figure Part Name “LEVER,LOCK,DE” “SPUR GEAR,18” “SPUR GEAR,38” “LEVER,RELEASE,ROLLER,DRIVEN” “INTERMITTENT GEAR,RELEASE,TRANSMIT” “TORSION SPRING,615” “COMBINATION GEAR,22,16.8” “FRAME ASSY.,LEVER,RELEASE” “COMBINATION GEAR,16.74,24” “HARNESS,PAPER THICKNESS,1”...
  • Page 493 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-10. Stylus Pro 4800 Table 7-10. Stylus Pro 4800 Figure Part Name Figure Part Name “POROUS PAD,PAPER GUIDE,FRONT,C” “COMPRESSION SPRING,1.47” “POROUS PAD,PAPER GUIDE,FRONT,B” “LEVER,PAPER RETURN,LEFT” “PAPER GUIDE,FRONT,MIDDLE,ASSY.ESL,ASP” “EXTENSION SPRING,0.294” “POROUS PAD,PAPER GUIDE,FRONT,D” “HOLDER,ROLLER,LD,SUPPORT,LEFT”...
  • Page 494 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-10. Stylus Pro 4800 Table 7-10. Stylus Pro 4800 Figure Part Name Figure Part Name NON FIG PAPER THICKNESS POSITION TOOL NON FIG THICKNESS GAUGE t=0.1mm NON FIG CR LOCK TOOL NON FIG...
  • Page 495 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Stylus Pro 4450 Table 7-11. Stylus Pro 4450 Figure Part Name Table 7-11. Stylus Pro 4450 COVER,IF,CA00 Figure Part Name PAD,AIR SEAL,D FIXED CR,SET,ASP FAN,BLOWER,C593 HOLDER,ROLL ASSY.,C593,ESL,ASP COVER,FAN,LEFT ADAPTER PAD,FAN FLANGE,RIGHT COVER,FAN,RIGHT FLANGE,LEFT PAPER GUIDE,MIDDLE ASSY.,C593,ESL,ASP SCROLLER,SAB ASSY.
  • Page 496 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-11. Stylus Pro 4450 Table 7-11. Stylus Pro 4450 Figure Part Name Figure Part Name TORSION SPRING,158.6 POROUS PAD,BOX,FL,LOWER FAN GEAR,34 612A BOX ASSY.,FLUSHING ASSY.;ESL ASP CAM,IC,FIXING HARNESS,PUMP,PHASE DETECTION SHAFT,LOCK,IC CLEANER,HEAD,A,ASP FRAME,I/S,TOP JOINT,BOX,FLUSHING LEVER,IC,OPERATE PUMP CAP ASSY.
  • Page 497 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-11. Stylus Pro 4450 Table 7-11. Stylus Pro 4450 Figure Part Name Figure Part Name DETECTOR,LEAF,B2 CARRIAGE,C,C593 LABEL,CUTTER CHANGE ORING,CONECTOR M7 HARNESS,FAN,A,C593 CONNECTING SCREW,M7 HARNESS,FAN,B,C593 JOINT,3 DUCT,AIR,A JOINT,3,L HARNESS,COVER OPEN COVER,CR;C593 LEVER,ROLLER,SUB BOARD ASSY.,MULTISENSOR...
  • Page 498 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-11. Stylus Pro 4450 Table 7-11. Stylus Pro 4450 Figure Part Name Figure Part Name ADJUST PLATE,CR,LOWER 790-A SPACER,MIDDLE,0.05 C.P.P-TITE SCREW,2.6X8,F/ZN-3C 790-B SPACER,MIDDLE,0.1 SPACER,CARREAGE A 790-C SPACER,MIDDLE,0.2 BALL BEARING(B210151490) 790-D SPACER,MIDDLE,0.5 HARNESS,HEAD,B 790-E SPACER,MIDDLE,0.08...
  • Page 499 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-11. Stylus Pro 4450 Table 7-11. Stylus Pro 4450 Figure Part Name Figure Part Name SPUR GEAR,33.6,B LEVER,DETECTOR,PAPER THICKNESS,A SPUR GEAR,33.6 LEVER,DETECTOR,PAPER THICKNESS,B COMBINATION GEAR,24,36 EXTENSION SPRING,0.22 COMBINATION GEAR,19.2,33.6 MOTOR ASSY.,CR HOLDER,PLANET,CHANGE PAPER EJECT SHAFT,RELEASE,ROLLER,DRIVEN SPUR GEAR,17.6,PLANET...
  • Page 500 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-11. Stylus Pro 4450 Table 7-11. Stylus Pro 4450 Figure Part Name Figure Part Name PAPER GUIDE,REAR ASSY.,C593,ESL,ASP GROUND SPRING,ASF SPACER,PLATE,CUTTER,D LEVER,HOPPER,RELEASE SPACER,PLATE,CUTTER,C LEVER,LOCK,EDGE GUIDE SPACER,PLATE,CUTTER,B EXTENSION SPRING,0.33 SPACER,PLATE,CUTTER,A FRAME,ASF,RIGHT;C593 STAR WHEEL ASSY.,C593,ESL,ASP GEAR,44.74...
  • Page 501 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Stylus Pro 4480/4480C Table 7-12. Stylus Pro 4480/4480C Figure Part Name Table 7-12. Stylus Pro 4480/4480C FAN MOTOR,FRAME,SHIELD Figure Part Name COVER,HARNESS;B FIXED CR,SET,ASP FILTER,FAN ASSY. HOLDER,ROLL ASSY.,C593,ESL,ASP COVER,IF,CA00 ADAPTER PAD,AIR SEAL,D FLANGE,RIGHT FAN,BLOWER,C593...
  • Page 502 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-12. Stylus Pro 4480/4480C Table 7-12. Stylus Pro 4480/4480C Figure Part Name Figure Part Name FRAME,HOLDER,IC,LOWER HARNESS,CSIC,LM PRESSING PLATE,IC HARNESS,CSIC,LK TORSION SPRING,158.6 HARNESS,I/S,R FAN GEAR,34 HOLDER ASSY.,IC,RIGHT,CA00,ESL ASP CAM,IC,FIXING GUTTER ASSY.,INK EJECT,ESL,ASP SHAFT,LOCK,IC...
  • Page 503 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-12. Stylus Pro 4480/4480C Table 7-12. Stylus Pro 4480/4480C Figure Part Name Figure Part Name BOARD ASSY.,SUB HARNESS,HEAD,INTERMIT,A DUCT,AIR,E HARNESS,HEAD,INTERMIT,B EXTENSION SPRING,2.55 PRINT HEAD GUIDE,FFC CARRIAGE,B;B EXTENSION SPRING,13.05 PLATE,DAMPER MOTOR ASSY.,PF,C593 VALVE ASSY.,HEAD;C,ESL,ASP DUCT,AIR,D GROUND PLATE,A;B...
  • Page 504 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-12. Stylus Pro 4480/4480C Table 7-12. Stylus Pro 4480/4480C Figure Part Name Figure Part Name LEVER,CAM,C593 BOARD ASSY.,SUB STOPPER,CARRIAGE HARNESS,ENCODER SHAFT,INCLINATION CAM COVER,TUBE,C593 HARNESS,HEAD,A GUIDE,TUBE,CR,C593 HARNESS,HEAD,C SHEET,TUBE SHEET,FFC GUIDE PLATE TUBE B,ASP,ESL SOLENOID ASSY.,CR,C593,ESL,ASP...
  • Page 505 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-12. Stylus Pro 4480/4480C Table 7-12. Stylus Pro 4480/4480C Figure Part Name Figure Part Name SHEET,FRAME,RIGHT SPUR GEAR,18 EXTENSION SPRING,2.41 LEVER,RELEASE,ROLLER,DRIVEN LEVER,LOCK,DE TORSION SPRING,615 SPUR GEAR,38 HARNESS,PAPER THICKNESS,1 INTERMITTENT GEAR,RELEASE,TRANSMIT HOLDER,DETECTOR,PAPER THICKNESS COMBINATION GEAR,22,16.8 DETECTOR,HP;E...
  • Page 506 EPSON Stylus Pro 4400/4450/4800/4880/4880C Revision C Table 7-12. Stylus Pro 4480/4480C Table 7-12. Stylus Pro 4480/4480C Figure Part Name Figure Part Name PAPER GUIDE,FRONT,RIGHT,ASSY.ESL,ASP COMPRESSION SPRING,1.47 POROUS PAD,PAPER GUIDE,FRONT,C LEVER,PAPER RETURN,LEFT POROUS PAD,PAPER GUIDE,FRONT,B EXTENSION SPRING,0.294 PAPER GUIDE,FRONT,MIDDLE,ASSY.ESL,ASP HOLDER,ROLLER,LD,SUPPORT,LEFT POROUS PAD,PAPER GUIDE,FRONT,D...

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