Toshiba DP4500 Service Handbook

Digital plaing paper copier

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SERVICE HANDBOOK

DIGITAL PLAIN PAPER COPIER

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DP4500/3500

Table of Contents

Troubleshooting

Summary of Contents for Toshiba DP4500

Page 1 Page marked by that bookmark. Click the Thumbnails to open the overview area and display thumbnail images of each document page. Click a thumbnail to go to the Page marked by that thumbnail. Copyright TOSHIBA CORPORATION 2001 ALL RIGHTS RESERVED...
Page 2 GENERAL PRECAUTIONS REGARDING THE INSTALLATION AND SERVICE FOR THE COPIER DP4500/3500 The installation and service should be done by a qualified service technician. Transportation/Installation • When transporting/installing the copier, employ two persons and be sure to use the positions as indicated below.
Page 3 Main Service Parts for Safety • The breaker, door switch, fuse, thermostat, thermofuse, thermistor, etc. are particularly important for safety. Be sure to handle/install them properly. Cautionary Labels • During servicing, be sure to check the rating plate and the cautionary labels such as “Unplug the power cord during service”, “Hot area”, “Laser warning label”...
Page 4 1. ERROR CODE AND SELF- DIAGNOSIS 2. ADJUSTMENT 3. PREVENTIVE MAINTENANCE (PM) 4. PRECAUTIONS FOR STORING / HANDLING SUPPLIES AND PARTS 5. TROUBLESHOOTING 6. UPDATING THE FIRMWARE 7. WIRE HARNESS CONNECTION DIAGRAMS...
Page 5: Table Of Contents
116,000 Copies (DP3500) ....................3-1 Maintenance Performed Every 450,000(DP4500) and 348,000 Copies (DP3500) ....................3-1 Cleaning the Units Which Have Processed 75,000 Copies (DP4500)/58,000 Copies (DP3500) .. 3-1 Preventive Maintenance Checklist ..................3-1 DP4500/3500 CONTENTS October 2000 © TOSHIBA TEC...
Page 6 PM Kit ........................... 3-10 Jig List ........................... 3-11 4. PRECAUTIONS FOR STORING / HANDLING SUPPLIES AND PARTS ........4-1 Precautions for Storing TOSHIBA Supplies ................4-1 Checking and Cleaning of Photoconductive Drum ..............4-1 Checking and Cleaning of Drum Cleaning Blade ..............4-2 Checking and Replacement of Pressure Roller Cleaning Roller ..........
Page 7 Updating the Firmware Using the Downloading Jig ..............6-29 6.3.1 System firmware ....................... 6-30 6.3.2 Engine firmware ......................6-37 7. WIRE HARNESS CONNECTION DIAGRAMS ................7-1 AC Wire Harness ....................... 7-2 DC Wire Harness ..................... Appendix DP4500/3500 CONTENTS October 2000 © TOSHIBA TEC...
Page 8: Error Code
Paper fed from the LCF not reaching the upper feed sensor Paper fed from the LCF not reaching the lower feed sensor December 2000 © TOSHIBA TEC 1 - 1 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 9 Paper left on the transport path due to multiple feeding copier (3) Paper left on the transport path due to multiple feeding Drive system related service call Main motor is abnormal DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 2 December 2000 © TOSHIBA TEC...
Page 10 Reverse sensor adjustment error Fan motor is abnormal Read sensor adjustment error Original length sensor adjustment error Laser optical unit related service call Polygonal motor is abnormal H-Sync detection error December 2000 © TOSHIBA TEC 1 - 3 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 11 Upper stack tray lift motor is abnormal Lower stack tray lift motor is abnormal Rear jogging motor is abnormal Service call for others Main CPU is abnormal HDD initialization error DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 4 December 2000 © TOSHIBA TEC...
Page 12 Primary scanning reproduction ratio Shown in hexadecimal Secondary scanning reproduction ratio Shown in hexadecimal The latest 8 error data can be displayed in the setting mode (08-253). December 2000 © TOSHIBA TEC 1 - 5 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 13: Self-Diagnosis Modes
Notes: 1. The mode can be canceled only by pressing the [C/S] key during the key check. 2. Key Check Keys with LED (Press to turn OFF the LED) Keys without LED (Press to display the message on the control panel) DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 6 December 2000 © TOSHIBA TEC...
Page 14 [0] and [9] simultaneously or [C/S] key to perform copying. Turn OFF the power after using the self-diagnosis mode, and leave the copier to the user. December 2000 © TOSHIBA TEC 1 - 7 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 15: Input Check (Test Mode 03)
[Example of display during input check] Items to be checked and the state of the copier with the icons [A] to [H] displayed in black are listed on the following pages. DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 8 December 2000 © TOSHIBA TEC...
Page 16 No paper — — — — Upper feed sensor There is paper — Upper cassette paper-empty sensor No paper Upper cassette tray-up sensor Tray at upper limit position December 2000 © TOSHIBA TEC 1 - 9 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 17 Table 1. Relation between the state of the bypass feed paper width sensor and paper size (width). Bypass paper width sensor Paper width size A3/LD A4-R/LT-R A5-R/ST-R Card size B4-R/LG B5-R DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 10 December 2000 © TOSHIBA TEC...
Page 18 Relay unit transport sensor-1 No paper — — — — — RADF connection RADF connected Platen sensor Platen cover opened Scanner carriage home position sensor Home position December 2000 © TOSHIBA TEC 1 - 11 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 19 RADF original width sensor-2 Original present RADF original width sensor-3 Original present — — — — — — — — — — — — — — — — DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 12 December 2000 © TOSHIBA TEC...
Page 20: Output Check (Test Mode 03)
Upper cassette feed clutch ON/OFF Lower cassette feed clutch ON/OFF Transport clutch (high speed) ON/OFF Bypass feed clutch ON/OFF Transport clutch (low speed) ON/OFF LCF pickup solenoid ON/OFF December 2000 © TOSHIBA TEC 1 - 13 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 21 PFP upper cassette tray-up motor ON (tray raised) PFP lower cassette tray-up motor ON (tray raised) RADF reverse solenoid ON/OFF Power OFF mode RADF fan motor ON/OFF DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 14 December 2000 © TOSHIBA TEC...
Page 22: Test Print Mode (Test Mode 04)
Types of test pattern Remarks Primary scanning direction, 33 gradation steps, error diffusion Secondary scanning direction, 33 gradation steps, error diffusion Grid pattern (Pattern width: 2 dots, Pitch: 10 mm) December 2000 © TOSHIBA TEC 1 - 15 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 23 [POWER] (Enter a value) (Exit) Test Selects [INTERRUPT] Selects (Adjustment) copy cassette output (Stores value in RAM) pattern 1: Code 401, 421, 440~444 2: Code 445, 498 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 16 December 2000 © TOSHIBA TEC...
Page 24 RADF sideways deviation adjustment 0~255 When the value increases by “1”, the image of original fed from the RADF shifts toward the rear side of paper by approx. 0.0423mm. December 2000 © TOSHIBA TEC 1 - 17 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 25 0.8mm. tration section) sette/Middle size <Paper length> 448-2 PFP upper cas- 0~63 Long size: 330mm or longer sette/Short size Middle size: 220mm~329mm Short size: 219mm or shorter DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 18 December 2000 © TOSHIBA TEC...
Page 26 Light step value 0~255 When the value increases, the im- (Text/Photo) (25 for JPN) age of the “light” steps becomes 0~255 lighter. (Photo) 0~255 (Text) (23 for JPN) December 2000 © TOSHIBA TEC 1 - 19 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 27: Adjustment Mode (05)
1 to 9: when the value increases, the image becomes sharper. • In case of Text/Photo mode (code 620), Fixed value for the Text/ Photo mode Enter a number (0 to 9) DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 20 December 2000 © TOSHIBA TEC...
Page 28 The values of the background peak text peak affect reproduction of the background density and text density respec- tively. Background peak Text peak fixed fixed varied fixed fixed varied varied varied December 2000 © TOSHIBA TEC 1 - 21 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 29: Setting Mode (08)
[Digital key] [START] [Digital key] [START] [Digital key] [0] [9] [POWER] (Code) (1st setting) (2nd setting) (Exit) [INTERRUPT] (Stores value in RAM) [C/S] [C/S] (Corrects value) (Corrects value) DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 22 December 2000 © TOSHIBA TEC...
Page 30 UC: LT-R size EUR:A4-R Paper size for PFP lower JPN:B4 0~255 Press the icon on the LCD to select the cassette UC: LG size EUR:A4 December 2000 © TOSHIBA TEC 1 - 23 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 31 2: PFP two cassette type installed 3: LCF installed 4: PFP/LCF not installed Paper size for LCF JPN:A4 0~255 Press the icon on the LCD to select the UC: LT size EUR:A4 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 24 December 2000 © TOSHIBA TEC...
Page 32 Counts papers fed from ADF HDD error counter 0~32767 Reset by HDD formatting HDD error counter 0~32767 Reset by HDD formatting HDD error counter 0~32767 Reset by HDD formatting December 2000 © TOSHIBA TEC 1 - 25 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 33 Setting for switchback 0: Disabled 1: Enabled operation to copy mixed- sized original on RADF Speed switching of sub- 0: High speed 1: Low speed separation fan DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 26 December 2000 © TOSHIBA TEC...
Page 34 Setting for automatic 0: Disabled 1: Single-sided to duplex duplexing mode 2: Two-sided to duplex 3: User selection APS priority selection 0: APS 1: AMS 2: None December 2000 © TOSHIBA TEC 1 - 27 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 35 LAN/DSS ment setting ---- Function enabled X ----- Function disabled Width setting for image 0: Enabled shift copying (linkage of 1: Disabled front side and back side) DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 28 December 2000 © TOSHIBA TEC...
Page 36 0: Auto-start OFF. Sheet is fed by pressing the [START] key. 1: Auto-start ON December 2000 © TOSHIBA TEC 1 - 29 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 37 05-205 (in PPC Photo) Text/Photo mode) Developer bias DC ad- 0~255 Adjusts the developer transformer DC justment (Text) output adjustment value in 05-205 (in PPC text mode) DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 30 December 2000 © TOSHIBA TEC...
Page 38 HDD Version of UI data 5th – – VXXX.XXX language in HDD Version of UI data in – – VXXX.XXX FROM displayed at power ON December 2000 © TOSHIBA TEC 1 - 31 DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS...
Page 39 4. Press the [SET] icon to complete overwriting of the counter value. Note: The screen returns to the code entry screen without copying (overwriting) the value when the [CANCEL] icon is pressed. DP4500/3500 ERROR CODES AND SELF-DIAGNOSIS 1 - 32 December 2000 © TOSHIBA TEC...
Page 40: Adjustment
The display changes to “System Mode”. (3) Enter “2” and then press the [SET] icon or [INTERRUPT] key. (4) “Wait” is displayed. (5) Turn OFF the power after the message “Wait” is gone. December 2000 © TOSHIBA TEC 2 - 1 DP4500/3500 ADJUSTMENT...
Page 41: Adjustment Of Auto-Toner Sensor
ADJUSTMENT MODE (6) Check if the value B is within the range of 235 to 245 (the output voltage range of the auto-toner sensor is 2.35 V to 2.45 V). DP4500/3500 ADJUSTMENT 2 - 2 December 2000 © TOSHIBA TEC...
Page 42 Decreased (8) Press the [SET] icon or [INTERRUPT] key. The drum, developer unit, etc. are stopped and the following is displayed. 100% 100% [SET] TEST MODE READY [0] [9] [INTERRUPT] December 2000 © TOSHIBA TEC 2 - 3 DP4500/3500 ADJUSTMENT...
Page 43: Dimensional Adjustment Of Copied Image
(340) e) Image position of secondary scanning direction (Deviation correction of the scanner secondary scanning start position) (305) f) Top margin (430) g) Right margin (432) h) Bottom margin (433) DP4500/3500 ADJUSTMENT 2 - 4 December 2000 © TOSHIBA TEC...
Page 44 WAIT WARMING UP If the copied image does not satisfy the specifica- 100% tions, return to , and COPYING perform the adjustment again. [0] [9]: To exit the adjustment mode December 2000 © TOSHIBA TEC 2 - 5 DP4500/3500 ADJUSTMENT...
Page 45: Paper Alignment
Select the appropriate value when the adjustment value is changed while confirming if the lead- ing edge is not shifted. * As a tentative countermeasure, the service life of the feed roller can be extended by increasing the aligning amount. DP4500/3500 ADJUSTMENT 2 - 6 December 2000 © TOSHIBA TEC...
Page 46: Printer Related Adjustment
(Enter the same value entered in the step 5 above with the digital keys) Press the [SET] icon or the [INTERRUPT] key to store the value in the RAM. Note: The first line of the grid pattern is occasionally not printed out. December 2000 © TOSHIBA TEC 2 - 7 DP4500/3500 ADJUSTMENT...
Page 47 Press the [SET] icon or the [INTERRUPT] key to store the value in the RAM. “100% A” is displayed Press [1] ([3] for ADU) [FAX] (A grid pattern is printed out) *The larger the adjustment value, the shorter the distance D becomes (0.4 mm/steps). DP4500/3500 ADJUSTMENT 2 - 8 December 2000 © TOSHIBA TEC...
Page 48 (Enter the same value entered for long-sized paper with the digital keys) Press the [SET] icon or the [INTERRUPT] key to store the value in the RAM. Note: The first line of the grid pattern is occasionally not printed out. December 2000 © TOSHIBA TEC 2 - 9 DP4500/3500 ADJUSTMENT...
Page 49 D: 05-441 (lower cassette, A3/LD), 440 (upper cassette, A4/LT), 443 (LCF, A4/LT), 444 (PFP , A3/LD), 445 (ADU, A3/LD), 442 (bypass feed, A4/LT) 52±0.5 mm (–0.4 mm/steps) E: 05-498-0, 498-1 52±0.5 mm (+0.5 mm/10 steps) DP4500/3500 ADJUSTMENT 2 - 10 December 2000 © TOSHIBA TEC...
Page 50: Scanner Related Adjustment
In the case of B: Loosen the adjustment screw for mirror-2 (CCW). [Step 2] In the case of C: Tighten the adjustment screw for mirror-1 (CW). In the case of D: Loosen the adjustment screw for mirror-1 (CCW). December 2000 © TOSHIBA TEC 2 - 11 DP4500/3500 ADJUSTMENT...
Page 51 (“100% A” is displayed.) * The larger the adjustment value, the higher the reproduction ratio and the longer the distance A become (approx. 0.5 mm/4 steps). Copied image of the ruler Feeding direction DP4500/3500 ADJUSTMENT 2 - 12 December 2000 © TOSHIBA TEC...
Page 52 * The larger the adjustment value, the more the image is shifted to the left and the distance B becomes narrower (0.0423 mm/step). Copied image of the ruler Feeding direction December 2000 © TOSHIBA TEC 2 - 13 DP4500/3500 ADJUSTMENT...
Page 53 Press the [SET] icon or the [INTERRUPT] key to store the value in the RAM. (“100% A” is displayed.) * The larger the adjustment value, the lower the reproduction ratio becomes. (0.05 mm/step) Copied image of the ruler C (LD) C (A3) Feeding direction DP4500/3500 ADJUSTMENT 2 - 14 December 2000 © TOSHIBA TEC...
Page 54 Press the [SET] icon or the [INTERRUPT] key to store the value in the RAM. (“100% A” is displayed.) * The larger the adjustment value, the more the image is shifted to the leading edge (0.68 mm/step). Copied image of the ruler Feeding direction December 2000 © TOSHIBA TEC 2 - 15 DP4500/3500 ADJUSTMENT...
Page 55 Press the [SET] icon or the [INTERRUPT] key to store the value in the RAM. (“100% A” is displayed.) * The larger the adjustment value, the wider the blank area at the right side becomes (0.0423 mm/step). Feeding direction DP4500/3500 ADJUSTMENT 2 - 16 December 2000 © TOSHIBA TEC...
Page 56 Press the [SET] icon or the [INTERRUPT] key to store the value in the RAM. (“100% A” is displayed.) * The larger the adjustment value, the wider the blank area at the trailing edge be- comes (0.0423 mm/step). Feeding direction December 2000 © TOSHIBA TEC 2 - 17 DP4500/3500 ADJUSTMENT...
Page 57: Image Quality Adjustment
[0] [9]: To exit the adjustment mode Notes) 1. Only one single-sided copy can be made. 2. Since the duplex copying is disabled, make a test copy after exiting the adjustment mode. DP4500/3500 ADJUSTMENT 2 - 18 December 2000 © TOSHIBA TEC...
Page 58: Sharpness(Hpf) Adjustment
1 to 9: Gamma data (The larger the value, the darker the image becomes) The entry procedure of the adjustment value is the same as that for “2.4.1 Image density”. December 2000 © TOSHIBA TEC 2 - 19 DP4500/3500 ADJUSTMENT...
Page 59: Setting For The Range Correction
Value of the text peak - varies depending on image data to be copied. The entry procedure of the adjustment value is the same as that for “2.4.1 Image density”. DP4500/3500 ADJUSTMENT 2 - 20 December 2000 © TOSHIBA TEC...
Page 60: High-Voltage Adjustment
Notes: 1. Set the current measuring jig in the center of the cleaner unit. 2. High-voltage adjustment cannot be performed without connecting the jig detection connector (except the developer bias adjustment). December 2000 © TOSHIBA TEC 2 - 21 DP4500/3500 ADJUSTMENT...
Page 61 (green cable) Connect the jig detection connector with the developer unit connector (–) terminal (Connect the white cable of the jig) (+) terminal (Connect the red cable of the jig) DP4500/3500 ADJUSTMENT 2 - 22 December 2000 © TOSHIBA TEC...
Page 62 Connect the digital testers as described in (1) Preparation, and follow the procedure on the next page to adjust the output from the main charger, developer bias charger, transfer charger and separation charger. December 2000 © TOSHIBA TEC 2 - 23...
Page 63 Note: The “adjustment value” indicates the output voltage of the D/A converter (IC47 and IC48) on the logic PC board. The relation between the output voltage and adjustment value is as follows: Output voltage = (Adjustment value + 1) DP4500/3500 ADJUSTMENT 2 - 24 December 2000 © TOSHIBA TEC...
Page 64 Increase the transfer output value under the following conditions. Remember that blotched image appear if the transfer output value is increased too much. • Transfer is poor even though the charger wire is not dirty. • Thick paper has been frequently used. December 2000 © TOSHIBA TEC 2 - 25 DP4500/3500 ADJUSTMENT...
Page 65 When poor transfer occurs: • Decrease the separation output value when poor transfer occurs. Remember that the separation per- formance becomes low if the separation output value is decreased too much. DP4500/3500 ADJUSTMENT 2 - 26 December 2000 © TOSHIBA TEC...
Page 66: Adjustment Of Developer Unit
“0.50” cannot be inserted into the gap. Note: Before adjusting or checking the gap, make sure the mark on the developer sleeve is facing the blade. December 2000 © TOSHIBA TEC 2 - 27 DP4500/3500 ADJUSTMENT...
Page 67 (9) Attach the top cover. Securely hook it on the Screw latches and fit the protrusion of the developer unit into the cut-out part of the cover. Toner scattering prevention sheet DP4500/3500 ADJUSTMENT 2 - 28 December 2000 © TOSHIBA TEC...
Page 68: Adjustment Of The Developer Polarity Position
However, when the new developer sleeve is installed, the height “H” in the figure below has priority over the position of the lever in assembling the developer unit. H = 15.1mm December 2000 © TOSHIBA TEC 2 - 29 DP4500/3500 ADJUSTMENT...
Page 69: Adjustment Of Scanning Section
Adjustment is not necessary since a certain tension is applied to the carriage wires by the tension springs. Note: Make sure that the tension applied to the wire is normal. DP4500/3500 ADJUSTMENT 2 - 30 December 2000 © TOSHIBA TEC...
Page 70 Carriage-2 Carriage-1 Position C (D) Position A (B) Rear side Front side Frame of exit side December 2000 © TOSHIBA TEC 2 - 31 DP4500/3500 ADJUSTMENT...
Page 71 Ball terminal Pulley (front) 4 turns 4 turns Pulley (rear) Hook Ball terminal 2 turns 2 turns Hook (Front) Hook Wire pulley Wire Ball terminal (Rear) Wire holder jig Wire pulley DP4500/3500 ADJUSTMENT 2 - 32 December 2000 © TOSHIBA TEC...
Page 72 4. Attach the wire holder jig with its one side with the wider space between the slots facing the exit side. [Front side] [Rear side] No space between turns Ball termi- nal (ø3) Wire holder jig Exit side Wire holder jig Feeding side Pulley December 2000 © TOSHIBA TEC 2 - 33 DP4500/3500 ADJUSTMENT...
Page 73: Lens Unit
· Handle the unit with care. Do not hold the lens and adjusted part (hold the unit as shown below). Rear side Do not hold the lens Front side and adjusted part. DP4500/3500 ADJUSTMENT 2 - 34 December 2000 © TOSHIBA TEC...
Page 74 Note: After this adjustment is finished, be sure to perform the “deviation adjustment of the scanner primary scanning start position”. <Adjustment procedure> 1. Remove the original glass and lens cover. 2. Loosen the 2 screws fixing the lens unit. Rear side Marks Front side December 2000 © TOSHIBA TEC 2 - 35 DP4500/3500 ADJUSTMENT...
Page 75 4. Attach the lens cover and original glass. Make a copy to confirm the reproduction ratio. 5. Remove the original glass and lens cover again, and tighten 2 screws to fix the lens unit. 6. Reattach the lens cover and original glass. DP4500/3500 ADJUSTMENT 2 - 36 December 2000 © TOSHIBA TEC...
Page 76: Adjustment Of Angle Of The Printed Image
1mm) Stay Stay Note: Print out an image and check if it is positioned properly. Adjust the printer section following “2.3 Dimentional Adjustment of Copied Image” if necessary. December 2000 © TOSHIBA TEC 2 - 37 DP4500/3500 ADJUSTMENT...
Page 77: Adjustment Of Sideways Deviation Of Sheet Caused By Paper Feeding
Move the guide to the rear side (the direc- rection A in the figures below). tion B in the figures below). Feeding Feeding direction direction Center Center Rear Rear • Bypass feeding • Cassette feeding DP4500/3500 ADJUSTMENT 2 - 38 December 2000 © TOSHIBA TEC...
Page 78: Key Copy Counter (Mu-8, Mu-10)
(Treat the cut harness properly to avoid its being shorted on the machine frame). Disconnect the dummy connector. Dummy connector December 2000 © TOSHIBA TEC 2 - 39 DP4500/3500 ADJUSTMENT...
Page 79 (7) Insert the key copy counter with its arrow mark facing up. Arrow mark (8) Enter the value “3” for the code 202 in the set- ting mode (08). DP4500/3500 ADJUSTMENT 2 - 40 December 2000 © TOSHIBA TEC...
Page 80: Preventive Maintenance (Pm)
3. PREVENTIVE MAINTENANCE (PM) 3.1 Maintenance Performed Every 150,000 (DP4500) and 116,000 Copies (DP3500) Preparation a. Ask the user about the current machine conditions and note them down. b. Before starting maintenance, make some sample copies and save them. c. Turn OFF the power and be sure to unplug the copier.
Page 81 [Preventive Maintenance Checklist] Notes: 1. Perform cleaning and apply lubrication every 150,000 copies for DP4500 and 116,000 copies for DP3500. Apply lubrication to the replacement parts according to the replacement cycle. 2. Values under “Replacement” indicate the replacement cycle for the DP4500/DP3500.
Page 82 44. Contact point of terminals Cleaner 45. Whole unit 46. Drum cleaning blade 150/116 <P24-I4> 47. Toner bag Should be re- placed togeth- er with toner by operator <P27-I30> December 2000 © TOSHIBA TEC 3 - 3 DP4500/3500 PREVENTIVE MAINTENANCE...
Page 83 70. One side of the GCB bushing to which the shaft is inserted 71. One side of the plastic bushing to which the shaft is inserted 72. Paper guide DP4500/3500 PREVENTIVE MAINTENANCE 3 - 4 December 2000 © TOSHIBA TEC...
Page 85 Note: Do not put oil or grease on the roller surface. In case that they were, wipe them off in the same manner of the cleaning with alcohol. Apply grease on the inner surface Apply silicon oil DP4500/3500 PREVENTIVE MAINTENANCE 3 - 6 December 2000 © TOSHIBA TEC...
Page 86 2. Apply patting power to the tip of the fingers and drum surface after replacing or cleaning them to reduce the load on the drum surface by the finger. December 2000 © TOSHIBA TEC 3 - 7 DP4500/3500 PREVENTIVE MAINTENANCE...
Page 87 4. Apply grease (Alvania No.2; quantity like one or two grains of rice) on the entire surface of the shafts of the mixer and the developer sleeve evenly, and attach the bushings. DP4500/3500 PREVENTIVE MAINTENANCE 3 - 8 December 2000 © TOSHIBA TEC...
Page 88 Clean the thermistor with alcohol if the toner or dirt is sticking to it when the fuser roller is replaced. Do not deform or damage the thermistor during the cleaning. Replace the thermistor with a new one if it is damaged or deformed regardless of degree. December 2000 © TOSHIBA TEC 3 - 9 DP4500/3500 PREVENTIVE MAINTENANCE...
Page 89: Pm Kit
WIRE-CH-060*353 Separation charger wire WIRE-CH-060*353 Ozone filter FILTER-OZ-320 Fuser roller HR-3500-U Pressure roller HR-3500-L Pressure roller cleaning roller SHAFT-CLN-P/R Separation finger for fuser roller SCRAPER-H/R [Location of PM parts] DP4500/3500 PREVENTIVE MAINTENANCE 3 - 10 December 2000 © TOSHIBA TEC...
Page 90: Jig List
Item Page Item Door switch jig Doctor-sleeve jig Brush Current measuring jig Wire holder jig Downloading jig (DLM board) Downloading jig (DLS board) Blade releasing jig Developer material nozzle December 2000 © TOSHIBA TEC 3 - 11 DP4500/3500 PREVENTIVE MAINTENANCE...
Page 92: Precautions For Storing/Handling Supplies And Parts
4. PRECAUTIONS FOR STORING/HANDLING SUPPLIES AND PARTS 4.1 Precautions for Storing TOSHIBA Supplies A. Toner and Developer Material Toner and developer material should be stored in a shaded place where the ambient temperature is be- tween 10 to 35°C (no condensation), and should be also protected from direct sunlight during transporta- tion.
Page 93: Checking And Cleaning Of Drum Cleaning Blade
• Do not leave lint or dirt on the blade edge. • Do not put the blade close to a heat source. (2) Cleaning Clean the blade edge softly with a cloth soaked in water and afterwards squeezed hard. DP4500/3500 SUPPLIES 4 - 2 December 2000 © TOSHIBA TEC...
Page 94: Checking And Replacement Of Pressure Roller Cleaning Roller
Do not rub or try to scrape off the toner from the fuser roller using your nails or anything hard since the roller can be easily damaged. Do not apply silicone oil to the fuser roller. December 2000 © TOSHIBA TEC 4 - 3...
Page 96: Troubleshooting
4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the registration clutch. 6. Replace the LGC board. Check the registration roller. Replace it if it is worn out. December 2000 © TOSHIBA TEC 5 - 1 DP4500/3500 TROUBLESHOOTING...
Page 97 LCF feed sensor 03-[FAX]OFF/[5]/[G] PFP upper feed sensor 03-[FAX]OFF/[2]/[D] PFP side cover PFP lower feed sensor 03-[FAX]OFF/[4]/[D] Relay unit transport sensor-1 03-[FAX]ON/[4]/[H] Relay unit Relay unit Relay unit transport sensor-2 03-[FAX]ON/[3]/[E] DP4500/3500 TROUBLESHOOTING 5 - 2 December 2000 © TOSHIBA TEC...
Page 98 4. Check if the conductor pattern on the LGC board for short- or open-circuited. 5. Replace the upper cassette feed clutch. 6. Replace the LGC board. Check the upper cassette feed roller and separation roller. Replace them if they are worn out. December 2000 © TOSHIBA TEC 5 - 3 DP4500/3500 TROUBLESHOOTING...
Page 99 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the transport clutches. 6. Replace the LGC board. Check the transport roller. Replace it if it is worn out. DP4500/3500 TROUBLESHOOTING 5 - 4 December 2000 © TOSHIBA TEC...
Page 100 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the transport clutches. 6. Replace the LGC board. Check the transport roller. Replace it if it is worn out. December 2000 © TOSHIBA TEC 5 - 5 DP4500/3500 TROUBLESHOOTING...
Page 101 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the transport clutches. 6. Replace the LGC board. Check the transport roller. Replace it if it is worn out. DP4500/3500 TROUBLESHOOTING 5 - 6 December 2000 © TOSHIBA TEC...
Page 102 5. Check if the conductor patterns on the PFP board and LGC board are short- or open-circuited. 6. Replace the PFP transport clutch. 7. Replace the PFP board. 8. Replace the LGC board. Check the PFP transport roller. Replace it if it is worn out. December 2000 © TOSHIBA TEC 5 - 7 DP4500/3500 TROUBLESHOOTING...
Page 103 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the upper feed sensor. 6. Replace the LGC board. Check the rollers. Replace them if they are worn out. DP4500/3500 TROUBLESHOOTING 5 - 8 December 2000 © TOSHIBA TEC...
Page 104 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the registration sensor. 6. Replace the LGC board. Check the rollers. Replace them if they are worn out. December 2000 © TOSHIBA TEC 5 - 9 DP4500/3500 TROUBLESHOOTING...
Page 105: Paper Misfeeding
4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the ADU clutch. 6. Replace the LGC board. Check the rollers in the ADU. Replace them if they are worn out. DP4500/3500 TROUBLESHOOTING 5 - 10 December 2000 © TOSHIBA TEC...
Page 106 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the bypass feed clutch. 6. Replace the LGC board. Check the bypass feed roller and separation pad. Replace them if they are worn out. December 2000 © TOSHIBA TEC 5 - 11 DP4500/3500 TROUBLESHOOTING...
Page 107 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the upper cassette feed clutch. 6. Replace the LGC board. Check the upper cassette feed roller and separation roller. Replace them if they are worn out. DP4500/3500 TROUBLESHOOTING 5 - 12 December 2000 © TOSHIBA TEC...
Page 108 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the lower cassette feed clutch. 6. Replace the LGC board. Check the lower cassette feed roller and separation roller. Replace them if they are worn out. December 2000 © TOSHIBA TEC 5 - 13 DP4500/3500 TROUBLESHOOTING...
Page 109 6. Replace the PFP upper cassette feed clutch. 7. Replace the PFP board. 8. Replace the LGC board. Check the PFP upper cassette feed roller and separation roller. Replace them if they are worn out. DP4500/3500 TROUBLESHOOTING 5 - 14 December 2000 © TOSHIBA TEC...
Page 110 6. Replace the PFP lower cassette feed clutch. 7. Replace the PFP board. 8. Replace the LGC board. Check the PFP lower cassette feed roller and separation roller. Replace them if they are worn out. December 2000 © TOSHIBA TEC 5 - 15 DP4500/3500 TROUBLESHOOTING...
Page 111 6. Replace the LCF feed clutch. 7. Replace the LCF board. 8. Replace the LGC board. Check the LCF feed roller and separation roller. Replace them if they are worn out. DP4500/3500 TROUBLESHOOTING 5 - 16 December 2000 © TOSHIBA TEC...
Page 112: Cover Open Jam
3. Check if the connector pins are disconnected and the harnesses are open-circuited. 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the LGC board. Replace the LGC board. December 2000 © TOSHIBA TEC 5 - 17 DP4500/3500 TROUBLESHOOTING...
Page 113 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the front cover opening/closing switch. 6. Replace the LGC board. Replace the LGC board. DP4500/3500 TROUBLESHOOTING 5 - 18 December 2000 © TOSHIBA TEC...
Page 114 5. Check if the conductor patterns on the PFP board and LGC board are short- or open-circuited. 6. Replace the PFP side cover opening/closing switch. 7. Replace the PFP board. 8. Replace the LGC board. 1. Replace the PFP board. 2. Replace the LGC board. December 2000 © TOSHIBA TEC 5 - 19 DP4500/3500 TROUBLESHOOTING...
Page 115 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the side door switch. 6. Replace the LGC board. Replace the LGC board. DP4500/3500 TROUBLESHOOTING 5 - 20 December 2000 © TOSHIBA TEC...
Page 116 5. Check if the conductor patterns on the LCF board and LGC board are short- or open-circuited. 6. Replace the LCF side cover opening/closing switch. 7. Replace the LCF board. 8. Replace the LGC board. 1. Replace the LCF board. 2. Replace the LGC board. December 2000 © TOSHIBA TEC 5 - 21 DP4500/3500 TROUBLESHOOTING...
Page 117 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the relay unit opening/closing switch. 6. Replace the LGC board. Replace the LGC board. DP4500/3500 TROUBLESHOOTING 5 - 22 December 2000 © TOSHIBA TEC...
Page 118: Transport Jam (Adu And Other Area)
3. Check if the connector pins are disconnected and the harnesses are open- circuited. 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the exit motor. 6. Replace the LGC board. December 2000 © TOSHIBA TEC 5 - 23 DP4500/3500 TROUBLESHOOTING...
Page 119 7. Replace the ADU board. 8. Replace the LGC board. Check the rollers in the ADU and the exit roller of the main unit. Replace them if they are worn out. DP4500/3500 TROUBLESHOOTING 5 - 24 December 2000 © TOSHIBA TEC...
Page 120 4. Check if the conductor pattern on the LGC board is short- or open-circuited. 5. Replace the ADU clutch. 6. Replace the LGC board. Check the rollers in the ADU. Replace them if they are worn out. December 2000 © TOSHIBA TEC 5 - 25 DP4500/3500 TROUBLESHOOTING...
Page 121 PFP side cover PFP lower feed sensor 03-[FAX]OFF/[4]/[D] Relay unit transport sensor-1 03-[FAX]ON/[4]/[H] Relay unit Relay unit Relay unit transport sensor-2 03-[FAX]ON/[3]/[E] Finisher Finisher door Sensors in the finisher – DP4500/3500 TROUBLESHOOTING 5 - 26 December 2000 © TOSHIBA TEC...
Page 122: Transport Jam (Radf)
Are the registration roller, read roller and exit roller dirty? Clean the rollers. [E74] Original reversing jam Are the read roller and reverse roller dirty? Clean the rollers. Is the reverse flapper working properly? Adjust the reverse solenoid. December 2000 © TOSHIBA TEC 5 - 27 DP4500/3500 TROUBLESHOOTING...
Page 123: Paper Jam In Finisher
Does the transport roller of the relay unit work when the main motor is rotated? (Perform the output check in the test mode: 03-101/151) Check the drive system of the main unit and relay unit. Check if the rollers in the relay unit are worn out. DP4500/3500 TROUBLESHOOTING 5 - 28 December 2000 © TOSHIBA TEC...
Page 124 Is the punch home position sensor working properly? 1. Connect the connector of the punch home position sensor securely. 2. Replace the punch home position sensor. Replace the punch driver PC board. December 2000 © TOSHIBA TEC 5 - 29 DP4500/3500 TROUBLESHOOTING...
Page 125 1. Connect the connector of the inlet sensor securely. 2. Attach the actuator securely if its shaft is out of place. 3. Replace the inlet sensor. Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 30 December 2000 © TOSHIBA TEC...
Page 126 1. Connect the connector of the inlet sensor securely. 2. Attach the actuator securely if its shaft is out of place. 3. Replace the inlet sensor. Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 31 DP4500/3500 TROUBLESHOOTING...
Page 127 1. Connect the connectors of the sensors securely. 2. Attach the actuators securely if their shafts are out of place. 3. Replace the sensors. Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 32 December 2000 © TOSHIBA TEC...
Page 128 1. Connect the connector of the inlet sensor securely. 2. Attach the actuator securely if its shaft is out of place. 3. Replace the inlet sensor. Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 33 DP4500/3500 TROUBLESHOOTING...
Page 129 1. Connect the connectors of the sensors securely. 2. Attach the actuators securely if their shafts are out of place. 3. Replace the sensors. Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 34 December 2000 © TOSHIBA TEC...
Page 130 Is the connector J12 on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and joint sensor (PI15) open-circuited? Connect the connector securely. Replace the harness. December 2000 © TOSHIBA TEC 5 - 35 DP4500/3500 TROUBLESHOOTING...
Page 131 Is the harness connecting the finisher controller PC board and door switch (MS1) open-circuited? Connect the connector securely. Replace the harness. Is the door switch working properly? 1. Connect the connector of the door switch securely. 2. Replace the door switch. DP4500/3500 TROUBLESHOOTING 5 - 36 December 2000 © TOSHIBA TEC...
Page 132 Are the upper and front door switches working properly? 1. Connect the connectors of the upper and front door switches securely. 2. Replace the upper/front door switches. Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 37 DP4500/3500 TROUBLESHOOTING...
Page 133 Is the stapling home position sensor working properly? 1. Connect the connector of the stapling home position sensor securely. 2. Replace the stapling home position sensor. Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 38 December 2000 © TOSHIBA TEC...
Page 134 Is the staple home position sensor working properly? 1. Connect the connector of the staple home position sensor securely. 2. Replace the staple home position sensor. Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 39 DP4500/3500 TROUBLESHOOTING...
Page 135 1. Connect the connector of the inlet sensor securely. 2. Attach the actuator securely if its shaft is out of place. 3. Replace the inlet sensor. Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 40 December 2000 © TOSHIBA TEC...
Page 136 Is the stack delivery lever home position sensor working properly? 1. Connect the connector of the stack delivery lever home position sensor se- curely. 2. Replace the stack delivery lever home position sensor. Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 41 DP4500/3500 TROUBLESHOOTING...
Page 137 Are the stitcher home position switches working properly? 1. Connect the connectors of the stitcher home position switches securely. 2. Replace the stitcher home position switches. Replace the saddle stitcher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 42 December 2000 © TOSHIBA TEC...
Page 138 Connect the connector securely. Replace the harness. Are the cover opening sensors working properly? 1. Connect the connectors of the cover opening sensors securely. 2. Replace the cover opening sensors. Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 43 DP4500/3500 TROUBLESHOOTING...
Page 139 1. Connect the connectors of the sensors securely. 2. Attach the actuators securely if their shafts are out of place. 3. Replace the sensors. Replace the saddle stitcher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 44 December 2000 © TOSHIBA TEC...
Page 140 1. Connect the connectors of the sensors securely. 2. Attach the actuators securely if their shafts are out of place. 3. Replace the sensors. Replace the saddle stitcher controller PC board. December 2000 © TOSHIBA TEC 5 - 45 DP4500/3500 TROUBLESHOOTING...
Page 141 4. Check if the harness connecting the I/F connector of the finisher side and finisher controller PC board is open-circuited. 5. Connect the finisher controller PC board with the main unit. DP4500/3500 TROUBLESHOOTING 5 - 46 December 2000 © TOSHIBA TEC...
Page 142 Is any of the connector pins of the harness connecting the PPC and finisher disconnected or any of those harnesses open-circuited? Connect the pin securely/replace the harness. 1. Replace the IPC board. 2. Replace the LGC board. 3. Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 47 DP4500/3500 TROUBLESHOOTING...
Page 143: Drive System Related Service Call
1. Check if the PLL lock signal J313-11 output from the LGC board is always level “L”? 2. Check if the voltage supplied to the microcomputer input terminal IC10-7 is always “L”? 3. Replace the LGC board. DP4500/3500 TROUBLESHOOTING 5 - 48 December 2000 © TOSHIBA TEC...
Page 144: Paper Feeding System Related Service Call
1. Check if the PLL lock signal CN246-8 output from the PFP board is always “L” level. 2. Check if the voltage supplied to the microcomputer input terminal IC5-17 is always “L” level. 3. Replace the PFP board. 4. Replace the LGC board. December 2000 © TOSHIBA TEC 5 - 49 DP4500/3500 TROUBLESHOOTING...
Page 145 5. Check if the conductor pattern on the LGC board is short- or open-circuited. 6. Replace the LGC board. 1. Check if the conductor pattern on the LGC board is short- or open-circuited. 2. Replace the LGC board. DP4500/3500 TROUBLESHOOTING 5 - 50 December 2000 © TOSHIBA TEC...
Page 146 7. Replace the PFP board. 8. Replace the LGC board. 1. Check if the conductor pattern on the LGC board is short- or open-circuited. 2. Replace the LGC board. December 2000 © TOSHIBA TEC 5 - 51 DP4500/3500 TROUBLESHOOTING...
Page 147 7. Replace the LCF board. 8. Replace the LGC board. 1. Check if the conductor pattern on the LGC board is short- or open-circuited. 2. Replace the LGC board. DP4500/3500 TROUBLESHOOTING 5 - 52 December 2000 © TOSHIBA TEC...
Page 148 7. Replace the LCF board. 8. Replace the LGC board. 1. Check if the conductor pattern on the LGC board is short- or open-circuited. 2. Replace the LGC board. December 2000 © TOSHIBA TEC 5 - 53 DP4500/3500 TROUBLESHOOTING...
Page 149 4. Check if the voltage supplied to the microcomputer input terminal IC103-17 is always “L” level. 5. Replace the LCF motor. 6. Replace the LCF board. 7. Replace the LGC board. DP4500/3500 TROUBLESHOOTING 5 - 54 December 2000 © TOSHIBA TEC...
Page 150: Scanning System Related Service Call
2. Check the SLG board if the connector pin J9 is disconnected and the harness is short- or open- circuited. 3. Check if the conductor pattern on the SLG board is short- or open-circuited. 4. Replace the SLG board. 5. Replace the inverter. 6. Replace the exposure lamp. December 2000 © TOSHIBA TEC 5 - 55 DP4500/3500 TROUBLESHOOTING...
Page 151 2. Check if the conductor pattern on the SDV board is short- or open-circuited. 3. Check if the conductor pattern on the SLG board is short- or open-circuited. 4. Replace the SDV board. 5. Replace the SLG board. DP4500/3500 TROUBLESHOOTING 5 - 56 December 2000 © TOSHIBA TEC...
Page 152: Fuser Unit Related Service Call
(3) Change the current status counter value “1” or “2” to “0”, then press the [SET] key or [INTERRUPT] key (to cancel [C41]). (4) Turn the power OFF and then back ON. Make sure that the copier enters the normal standby state. December 2000 © TOSHIBA TEC 5 - 57 DP4500/3500 TROUBLESHOOTING...
Page 153 (2) Check if the conductor pattern on the board is short- or open-circuited. (3) Replace the LGC board. 3. Clear the status counter Change the current status counter value (08-400) “8” to “0”. DP4500/3500 TROUBLESHOOTING 5 - 58 December 2000 © TOSHIBA TEC...
Page 154 • The error occurred before the temperature of the fuser roller reaches 150°C: "14" • The error occurred before the machine has become ready: "13" • The error occurred when the machine is in the ready state: "17" December 2000 © TOSHIBA TEC 5 - 59 DP4500/3500 TROUBLESHOOTING...
Page 155 [C47], [C48] and [C49] can be cleared by turning OFF and ON the main switch as long as the problem was solved, and the status counter does not have to be changed to "0". The value of the status counter remains until the next service call overwrites the value. DP4500/3500 TROUBLESHOOTING 5 - 60 December 2000 © TOSHIBA TEC...
Page 156: Communication Related Service Call
(5) Check the connections between the finisher and the copier if the connector pins are disconnected, or the harnesses are open-circuited. (6) Replace the IPC board. (7) Replace the LGC board. December 2000 © TOSHIBA TEC 5 - 61 DP4500/3500 TROUBLESHOOTING...
Page 157 (6) Check the version of the MROM on the LGC board. (7) Check the version of the SROM on the SLG board. (8) Replace the SYS board. (9) Replace the SLG board. (10) Replace the LGC board. DP4500/3500 TROUBLESHOOTING 5 - 62 December 2000 © TOSHIBA TEC...
Page 158: Adf Related Service Call
(5) Check the circuits and connectors on the ADF control board, mainly Q12 and Q16, for open-and short- circuits. (6) Replace the ADF control board. (7) Replace the fan motor. December 2000 © TOSHIBA TEC 5 - 63 DP4500/3500 TROUBLESHOOTING...
Page 159 (3) Check the circuits and connectors on the ADF control board, mainly IC3, IC4 and CN3, for short- and open-circuits. (4) Replace the original length sensor. (5) Replace the ADF control board. (6) Initialize the EEPROM and perform the automatic sensor adjustment of the ADF. DP4500/3500 TROUBLESHOOTING 5 - 64 December 2000 © TOSHIBA TEC...
Page 160: Laser Optical Unit Related Service Call
Are the harness connecting the connector (J308) on the LGC board and connector (J202) on the SNS board open-circuited? Are the connectors disconnected? Replace the harness. Connect the disconnected connectors. 1. Replace the LGC board. 2. Replace the laser optical unit. December 2000 © TOSHIBA TEC 5 - 65 DP4500/3500 TROUBLESHOOTING...
Page 161: Finisher Related Service Call
Fix the mechanism including the shutter upper/lower bars and gears of the feed roller-2. Is the shutter closed detecting switch (MS4) working normally? Replace the switch. Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 66 December 2000 © TOSHIBA TEC...
Page 162 Is the shutter closed detecting switch (MS4) working normally? Replace the switch. Is the shutter closed detecting switch (MS4) correctly pressed? Fix the mechanism. Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 67 DP4500/3500 TROUBLESHOOTING...
Page 163 Does the voltage between J11-4 and -5 on the finisher controller PC board become 24V when the delivery motor starts rotating? Replace the finisher controller PC board. Is the wiring between the delivery motor and finisher controller PC board correct? Correct the wiring. Replace the motor. DP4500/3500 TROUBLESHOOTING 5 - 68 December 2000 © TOSHIBA TEC...
Page 164 Replace the finisher controller PC board. Is the wiring between the finisher controller PC board and the tray lift motor (M5) correct? Correct the wiring. Replace the tray lift motor (M5). December 2000 © TOSHIBA TEC 5 - 69 DP4500/3500 TROUBLESHOOTING...
Page 165 Replace the tray lift motor (M5). Fix the tray elevation mechanism. Are the tray lift motor clock sensor-1/-2 (PI9/PI19) working normally? Replace the sensors. Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 70 December 2000 © TOSHIBA TEC...
Page 166 Correct the wiring. Is there any mechanical problem with the alignment guide movement path? Fix the mechanism. Is the problem solved by replacing the alignment motor? Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 71 DP4500/3500 TROUBLESHOOTING...
Page 167 Is the wiring between the stapler and the finisher controller PC board correct? Connect or replace the harness. Is the problem solved by replacing the stapler? Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 72 December 2000 © TOSHIBA TEC...
Page 168 Is the voltage between J6-2(+) and J6-4(-) on the finisher controller PC board 5V DC? Replace the finisher controller PC board. Re-adjust the height sensor. Replace the height sensor if it still causes the problem. December 2000 © TOSHIBA TEC 5 - 73 DP4500/3500 TROUBLESHOOTING...
Page 169 Is the wiring between the finisher controller PC board and height sensor (PS1) correct? Correct the wiring. Is the voltage between J6-2(+) and J6-4(-) on the finisher controller PC board 5V DC? Replace the finisher controller PC board. Replace the height sensor. DP4500/3500 TROUBLESHOOTING 5 - 74 December 2000 © TOSHIBA TEC...
Page 170 Is the paper pushing plate drive mechanism normal? Fix the mechanism. Is the problem solved by replacing the paper pushing plate motor (M8S)? Replace the saddle stitcher controller PC board. December 2000 © TOSHIBA TEC 5 - 75 DP4500/3500 TROUBLESHOOTING...
Page 171 Is there any problem with the pushing plate drive mechanism? Fix the mechanism. Is the problem solved by replacing the paper pushing plate motor (M8S)? Replace the saddle stitcher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 76 December 2000 © TOSHIBA TEC...
Page 172 Replace the saddle stitcher controller PC board. Is the alignment plate drive mechanism normal? Fix the mechanism. Is the problem solved by replacing the alignment motor (M5S)? Replace the saddle stitcher controller PC board. December 2000 © TOSHIBA TEC 5 - 77 DP4500/3500 TROUBLESHOOTING...
Page 173 Replace the saddle stitcher controller PC board. Is the paper folding roller drive mechanism normal? Fix the mechanism. Is the problem solved by replacing the paper folding motor (M2S)? Replace the saddle stitcher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 78 December 2000 © TOSHIBA TEC...
Page 174 Is 1 or 2V DC being supplied from J9-7 on the saddle stitcher controller PC board? Replace the saddle stitcher controller PC board. Is J9-11 on the saddle stitcher controller PC board correctly connected to the ground? Replace the saddle stitcher controller PC board. December 2000 © TOSHIBA TEC 5 - 79 DP4500/3500 TROUBLESHOOTING...
Page 175 Is 1 or 2V DC being supplied from J9-13 on the saddle stitcher controller PC board? Replace the saddle stitcher controller PC board. Is J9-14 on the saddle stitcher controller PC board properly connected to the ground? Replace the saddle stitcher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 80 December 2000 © TOSHIBA TEC...
Page 176 Replace the saddle stitcher controller PC board. Check the wiring between J19 and J1 on the saddle stitcher controller PC board. If there is no problem, replace the saddle stitcher controller PC board. December 2000 © TOSHIBA TEC 5 - 81 DP4500/3500 TROUBLESHOOTING...
Page 177 Measure the voltage of J11-9 on the saddle stitcher controller PC board when the delivery door is opened. Is it 5V ? The delivery cover sensor (PI3S) is broken. Replace it. Replace the saddle stitcher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 82 December 2000 © TOSHIBA TEC...
Page 178 Measure the voltage between J3-2 (+) and J3-1 (-) on the finisher controller PC board. Is it DC 24V? Replace the finisher controller PC board. Replace the saddle stitcher controller PC board. December 2000 © TOSHIBA TEC 5 - 83 DP4500/3500 TROUBLESHOOTING...
Page 179 Is the stack delivery lever home position sensor (S8) working properly? Replace the sensor. Is the problem solved by replacing the stack processing motor? Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 84 December 2000 © TOSHIBA TEC...
Page 180 Loosen the adjustment screw to adjust the tension. Is the returning roller home position sensor (S3) working properly? Replace the sensor. Is the problem solved by replacing the stack processing motor? Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 85 DP4500/3500 TROUBLESHOOTING...
Page 181 Is the swing guide closed detection switch-2 (MS6) working normally? Replace the switch. Is the swing guide closed detection switch-2 (MS6) correctly pressed? Fix the mechanism. Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 86 December 2000 © TOSHIBA TEC...
Page 182 Replace the finisher controller PC board. Is the wiring between the swing motor and finisher controller PC board correct? Correct the wiring. Replace the swing motor. December 2000 © TOSHIBA TEC 5 - 87 DP4500/3500 TROUBLESHOOTING...
Page 183 Is the problem solved by replacing the horizontal registration motor (M2P)? Is the problem solved by replacing the punch motor? Is the problem solved by replacing the punch driver board? Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 88 December 2000 © TOSHIBA TEC...
Page 184 Fix the mechanism. Is the problem solved by replacing the punch motor (M1P) ? Is the problem solved by replacing the punch driver board? Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 89 DP4500/3500 TROUBLESHOOTING...
Page 185 Correct the wiring. Has the rack run over the stopper of the roll? Fix it. Is the problem solved by replacing the front jogging motor? Replace the finisher controller PC board. DP4500/3500 TROUBLESHOOTING 5 - 90 December 2000 © TOSHIBA TEC...
Page 186 Replace the finisher controller PC board. Check the wiring between the upper stack tray lift motor and finisher controller PC board. If there is no problem, replace the upper stack tray lift motor. December 2000 © TOSHIBA TEC 5 - 91 DP4500/3500 TROUBLESHOOTING...
Page 187 Replace the finisher controller PC board. Check the wiring between the upper stack tray lift motor and finisher controller PC board. If there is no problem, replace the lower stack tray lift motor. DP4500/3500 TROUBLESHOOTING 5 - 92 December 2000 © TOSHIBA TEC...
Page 188 Correct the wiring. Has the rack run over the stopper of the roll? Fix it. Is the problem solved by replacing the rear jogging motor? Replace the finisher controller PC board. December 2000 © TOSHIBA TEC 5 - 93 DP4500/3500 TROUBLESHOOTING...
Page 189: Service Call For Others
(5) Check if the power supply connector is disconnected. (6) Check if the connector J111 on the SYS board is disconnected. (7) Replace the HDD. (8) Replace the SYS board. (9) Replace the harness. DP4500/3500 TROUBLESHOOTING 5 - 94 December 2000 © TOSHIBA TEC...
Page 190: Troubleshooting For The Image
Is background fogging occuring? Perform troubleshooting for background fogging. Is there a blotch on the image? Perform troubleshooting for blotched image. Is the image transferred normally? Perform troubleshooting for abnormal transfer. December 2000 © TOSHIBA TEC 5 - 95 DP4500/3500 TROUBLESHOOTING...
Page 191 If the output stays abnormal, check if the harness connecting the LGC board and high-voltage transformer, or high-voltage harness is open-circuited, if the power supply is normal, and if the main charger wire is dirty. DP4500/3500 TROUBLESHOOTING 5 - 96 December 2000 © TOSHIBA TEC...
Page 192 Check the image Check the encircled areas A and B processing parameters. in the image, and change the sharpness intensity in the sharpness adjustment mode. December 2000 © TOSHIBA TEC 5 - 97 DP4500/3500 TROUBLESHOOTING...
Page 193 Use the recommended paper. Developer material Using the specified developer Use the specified developer material material? and toner. Scanner 10 Are the original glass (especially Clean them. shading position), mirror and lens density? DP4500/3500 TROUBLESHOOTING 5 - 98 December 2000 © TOSHIBA TEC...
Page 194 Is the scanner condensed? Clean it. Drum Is the drum surface wet or dirty? Wipe the drum with a dry cloth. * Do not use alcohol or other organic solvents. December 2000 © TOSHIBA TEC 5 - 99 DP4500/3500 TROUBLESHOOTING...
Page 195 Is the temperature of the fuser roller too Check the adjustment values of fuser roller low? temperature? ° 08-410:12 (200 ° 08-411:12 (200 Paper Is the paper moist? Change the paper. DP4500/3500 TROUBLESHOOTING 5 - 100 December 2000 © TOSHIBA TEC...
Page 196 Check the drive system of the drum. CCD, SLG, SYS, LGC Are the connectors securely connected? Connect the connectors securely. boards and harnesses Check if the harnesses connecting the Replace the harness. boards are open-circuited. December 2000 © TOSHIBA TEC 5 - 101 DP4500/3500 TROUBLESHOOTING...
Page 197 CCD, SLG, SYS, LGC Are the connectors securely connected? Connect the connectors securely. boards and harnesses Check if the harnesses connecting the Replace the harness. boards are open-circuited. DP4500/3500 TROUBLESHOOTING 5 - 102 December 2000 © TOSHIBA TEC...
Page 198 Is there a foreign object or stain on the Clean the lens and mirrors. light path? Cleaner 10 Is there any foreign object, which contacts Remove the foreign object. the drum, on the cleaner stay? December 2000 © TOSHIBA TEC 5 - 103 DP4500/3500 TROUBLESHOOTING...
Page 199 Replace the high-voltage transformer if it is defec- charger) tive. Transfer charger wire Is any foreign object such as dust stick- Remove the foreign object from the wire. ing to the transfer charger wire? DP4500/3500 TROUBLESHOOTING 5 - 104 December 2000 © TOSHIBA TEC...
Page 200 Is the spring detached from the registra- Attach the spring correctly. Clean the roller if it is tion roller? dirty. Pre-registration guide Is the pre-registration guide properly Correct it. installed? December 2000 © TOSHIBA TEC 5 - 105 DP4500/3500 TROUBLESHOOTING...
Page 201 Remove the foreign object or the stain. glass? Shading correction plate 14 Is there dust or stains on part of the original Clean the plate. glass where the shading correction plate is placed on top. DP4500/3500 TROUBLESHOOTING 5 - 106 December 2000 © TOSHIBA TEC...
Page 202 Check and adjust the contact condition of the the drum surface? cleaning blade and recovery blade. Scanner carriage Is there a foreign object on the carriage Remove the foreign object. rail? December 2000 © TOSHIBA TEC 5 - 107 DP4500/3500 TROUBLESHOOTING...
Page 203 Is there any object such as fiber in the Clean the charger. charger paper transport area of the transfer/sepa- ration charger? Developer material Has the developer material reached its Replace the developer material. PM life? DP4500/3500 TROUBLESHOOTING 5 - 108 December 2000 © TOSHIBA TEC...
Page 204 Adjust the rotation speed of the roller. High-voltage transformer Is the output from the high-voltage trans- Check the circuit and adjust the transformer out- (transfer charger) former normal? put. December 2000 © TOSHIBA TEC 5 - 109 DP4500/3500 TROUBLESHOOTING...
Page 205 Scanner section 10 (1) Is the platen cover open? (1) Close the platen cover. (2) Are the original glass (especially (2) Clean them. shading position), mirrors and lens dirty? DP4500/3500 TROUBLESHOOTING 5 - 110 December 2000 © TOSHIBA TEC...
Page 206 10 Is “film-forming” occurring on the drum sur- Clean or replace the drum. face? High-voltage transformer 11 Is the setting for the high-voltage trans- Adjust the output from the high-voltage transformer. former proper? December 2000 © TOSHIBA TEC 5 - 111 DP4500/3500 TROUBLESHOOTING...
Page 207 Feed clutch Is the feed clutch working properly? Check the circuit or clutch, and replace them if necessary. Pre-registration guide Is the pre-registration guide installed prop- Install the guide properly. erly? DP4500/3500 TROUBLESHOOTING 5 - 112 December 2000 © TOSHIBA TEC...
Page 208 Is there any problem with the drive sys- Check the drive system of the drum. tem of the drum? Clean or replace the gears if they have stains or scratches. December 2000 © TOSHIBA TEC 5 - 113 DP4500/3500 TROUBLESHOOTING...
Page 209 Has the cleaning blade been turned up? Replace the blade. Check and replace drum if necessary. Toner recovery auger Is the toner recovered normally? Clean the toner recovery auger. Check the pressure of the cleaning blade. DP4500/3500 TROUBLESHOOTING 5 - 114 December 2000 © TOSHIBA TEC...
Page 210 Are the reflector, exposure lamp, mirrors, Clean them. lens, etc. dirty? Exposure lamp Is the exposure lamp tilted? Adjust the position of the lamp. Is the lamp discolored or degraded? Replace it. December 2000 © TOSHIBA TEC 5 - 115 DP4500/3500 TROUBLESHOOTING...
Page 211 Is the transfer charger wire dirty? Clean the wire. High-voltage transformer Is the output from the high-voltage trans- Adjust the output. Replace the transformer if nec- (transfer charger) former normal? essary. DP4500/3500 TROUBLESHOOTING 5 - 116 December 2000 © TOSHIBA TEC...
Page 212: Troubleshooting For The Blown Fuse
Exit motor F7: 4A (semi-time lag) (LGC board) High-voltage transformer Main motor Developer unit cooling fan Key copy counter IH control board cooling fan Switching power supply unit fan Relay unit December 2000 © TOSHIBA TEC 5 - 117 DP4500/3500 TROUBLESHOOTING...
Page 214: Updating The Firmware
• Copyright on the software of Windows 95 are held by US Microsoft Corporation. • Some of the screens used in this manual to describe operations are of Windows 95/98. December 2000 © TOSHIBA TEC 6 - 1 DP4500/3500 UPDATING THE FIRMWARE...
Page 215: Installing Software For Firmware Update
9 CI 9 CI Protocol specifications between the PC and SYS board BAUD RATE 115200bps DATA BIT 8 BITS PARITY NONE STOP BIT 1 BIT FLOW CONTROL NONE ECHO DP4500/3500 UPDATING THE FIRMWARE 6 - 2 December 2000 © TOSHIBA TEC...
Page 216: Dial-Up Networking Function
URL:http://www.kevin-wells.com/net/mdmcbx4.inf After the above file was downloaded, install the modem as follows. Click the “Modems” button on the control panel to display the following window, then click [Add]. December 2000 © TOSHIBA TEC 6 - 3 DP4500/3500 UPDATING THE FIRMWARE...
Page 217 Check "Don't detect my modem; I will select it from a list", and click [Next]. Click [Have Disk], then select a folder in which the downloaded file has been stored. DP4500/3500 UPDATING THE FIRMWARE 6 - 4 December 2000 © TOSHIBA TEC...
Page 218 Select "Direct Connection", then click [Next]. Select "Communications Port(COM1)", then click [Next]. December 2000 © TOSHIBA TEC 6 - 5 DP4500/3500 UPDATING THE FIRMWARE...
Page 219 Click the [Finish] button to complete the virtual modem installation. DP4500/3500 UPDATING THE FIRMWARE 6 - 6 December 2000 © TOSHIBA TEC...
Page 220: Installing Dial-Up Networking
In this case, you can skip this section. In the "Network" dialog box, click the "Configuration" tab. Confirm that "Dial-Up Adapter" and "TCP/IP" are displayed. If your PC does not have "Dial-Up Adapter", click [Add]. December 2000 © TOSHIBA TEC 6 - 7 DP4500/3500 UPDATING THE FIRMWARE...
Page 221 Select "Microsoft" from the "Manufacturers" list and "Dial-Up Adapter" from the "Network Adapters" list, then click [OK]. TCP/IP Protocol components are automatically installed together with "Dial-Up Adapter". DP4500/3500 UPDATING THE FIRMWARE 6 - 8 December 2000 © TOSHIBA TEC...
Page 222: Setting Dial-Up Networking
6.1.5 Setting dial-up networking Double-click "My Computer". If the "Dial-Up Networking" icon is not in the window, open [Add/Remove Programs] in the Control Panel to install it. Double-click "Make New Connection". December 2000 © TOSHIBA TEC 6 - 9 DP4500/3500 UPDATING THE FIRMWARE...
Page 223 "Select a device". Then, click [Configure]. Click the "General" tab in the "Direct Connection Properties" dialog box. Select "115200" for "Maximum speed", and check "Only connect at this speed". DP4500/3500 UPDATING THE FIRMWARE 6 - 10 December 2000 © TOSHIBA TEC...
Page 224 Confirm that no item in the "Advanced Connection Settings" dialog box is selected. Click the [OK] button to return to the "Make New Connection" dialog box and click [Next]. December 2000 © TOSHIBA TEC 6 - 11 DP4500/3500 UPDATING THE FIRMWARE...
Page 225 Enter "#39" in the [Telephone number] box. Select an appropriate country code, then click [Next]. Click [Finish] to complete the setting for the dial-up networking. DP4500/3500 UPDATING THE FIRMWARE 6 - 12 December 2000 © TOSHIBA TEC...
Page 226: Installing Software For Ftp Server
War FTP Daemon can be downloaded from the following website. URL: http://www.jgaa.com/downloadpage.htm Some files are extracted by doubleclicking the [ward165.exe] icon. Double-click [Setup.exe] to start installation. Create a new folder "C:\WEBSHARE\FTPROOT". Double-click [war-ftpd.exe] in the [war-ftpd] folder. December 2000 © TOSHIBA TEC 6 - 13 DP4500/3500 UPDATING THE FIRMWARE...
Page 227 Click [Add] and type in "dppc" in the "New name" box. Type in "dppc" in the "New Password" and "Verify Password" boxes, then click [OK]. Select "dppc" and click the "File Access" tab. Then, click [Add]. DP4500/3500 UPDATING THE FIRMWARE 6 - 14 December 2000 © TOSHIBA TEC...
Page 228 Check the "Read", "Write", "Delete", "Execute", "List", "Create" and "Remove" boxes. Confirm that the check marks are not gray but black. Check "Root", "Home" and "Recursive" in the "Special" box as well. Click [Apply] and then [OK]. December 2000 © TOSHIBA TEC 6 - 15 DP4500/3500 UPDATING THE FIRMWARE...
Page 229 Enter the "ONLINE" mode by clicking the button before starting the firmware update. DP4500/3500 UPDATING THE FIRMWARE 6 - 16 December 2000 © TOSHIBA TEC...
Page 230: Operation Procedure In [3][9] Mode
"Virtual modem" and "War FTP Daemon" have to be installed in the PC. Refer to "6.1 Installing Software for Firmware Update" "War FTP Daemon" has to be in the "ONLINE" mode to update the firmware. December 2000 © TOSHIBA TEC 6 - 17 DP4500/3500 UPDATING THE FIRMWARE...
Page 231 Note: Do not connect serial cable with machine power turned ON. Connect the MMF(FSMS) port of the copier and serial communication port of the PC which is speci- fied when the virtual modem is set up. DP4500/3500 UPDATING THE FIRMWARE 6 - 18 December 2000 © TOSHIBA TEC...
Page 232: Updating Firmware
3. Make a serial connection using the dial-up networking function of the PC. Refer to "6.1 Installing Software for Firmware Update" for the dial- up network connection. Enter "#39" in the "Phone number" box. Default Location December 2000 © TOSHIBA TEC 6 - 19 DP4500/3500 UPDATING THE FIRMWARE...
Page 233 3rd language UI data 4th language UI data 5th language UI data The version number is displayed as "XXX.YYY". "XXX" indicates the major version and "YYY" is the minor version. DP4500/3500 UPDATING THE FIRMWARE 6 - 20 December 2000 © TOSHIBA TEC...
Page 234 #1 : All data (1, 2, 3, 4, 5, 6, 7 and 8) #2 : All UI data (2, 3, 4, 5, 6, 7 and 8) #3 : All language UI data (4, 5, 6, 7 and 8) December 2000 © TOSHIBA TEC 6 - 21 DP4500/3500 UPDATING THE FIRMWARE...
Page 235 – erasing the device. – writing to the device. Firmware Version Up Mode Target:#1 Installing a new firmware. — reading a file. Target Version code installing Displays the area being processed DP4500/3500 UPDATING THE FIRMWARE 6 - 22 December 2000 © TOSHIBA TEC...
Page 236 8. Press the [CLEAR/STOP] key to cancel the updating process. However, it cannot be canceled once the data elimination process on the flash ROM is started. Firmware Version Up Mode Target: 1 Program canceled. December 2000 © TOSHIBA TEC 6 - 23 DP4500/3500 UPDATING THE FIRMWARE...
Page 237 Target: #3 Recovery mode : target 3–8 failed. > Press START key to install new firmwares. Further operations and displays are the same as those of the normal sequence. DP4500/3500 UPDATING THE FIRMWARE 6 - 24 December 2000 © TOSHIBA TEC...
Page 238: Display
Press the Press the Target: #1 [START] key [CLEAR/STOP] key 1’ 1 Press the [CLEAR/STOP] key Firmware Version Up Mode Target: 1 Program canceled. Power OFF December 2000 © TOSHIBA TEC 6 - 25 DP4500/3500 UPDATING THE FIRMWARE...
Page 239 > Press START key to install new firmware. Press the > Please select a target with the digital key digital keys. Target: #1 Press the Press the [CLEAR/STOP] key [START] key 1’ DP4500/3500 UPDATING THE FIRMWARE 6 - 26 December 2000 © TOSHIBA TEC...
Page 240 003.022 003.022 Firmware Version Up Mode 003.033 Target: #1 003.022 Program canceled. 003.033 Target version code Area whose 001.002 updating process was canceled cancelled Power OFF Power OFF December 2000 © TOSHIBA TEC 6 - 27 DP4500/3500 UPDATING THE FIRMWARE...
Page 241 – file information error. – unfit device. error – device erase error. – device write error. Area where – verify error. error has – cannot set NvRAM flags. occurred Power OFF DP4500/3500 UPDATING THE FIRMWARE 6 - 28 December 2000 © TOSHIBA TEC...
Page 242: Updating The Firmware Using The Downloading Jig
Jig board to be used System firmware System PC board (SYS board) PWA-F-DLS-320 Engine firmware Logic PC board (LGC board) PWA-F-DLM-320 (printer ROM and scanner ROM) Scanner control PC board (SLG board) December 2000 © TOSHIBA TEC 6 - 29 DP4500/3500 UPDATING THE FIRMWARE...
Page 243: System Firmware
To make these updated data effective, it is necessary to copy the result of the update into the FROM by selecting a desired language in the setting mode “Language displayed at power ON” (08-220). DP4500/3500 UPDATING THE FIRMWARE 6 - 30...
Page 244 ROM should be attached to the socket for ROM2. Note: Pay attention to the direction and position of the ROM when it is attached. Connector Socket for ROM1 Socket for ROM2 [Jig board (PWA-F-DLS-320)] December 2000 © TOSHIBA TEC 6 - 31 DP4500/3500 UPDATING THE FIRMWARE...
Page 245 U p d a t e F R O M I n s t a l l i n g D a t a C h e c k DP4500/3500 UPDATING THE FIRMWARE 6 - 32 December 2000 © TOSHIBA TEC...
Page 246 ON in the FROM is not changed. To make the updated data effective for the display UI at power ON, it is necessary to copy the result of the update into the FROM by selecting a language in the setting mode (08-220). December 2000 © TOSHIBA TEC 6 - 33 DP4500/3500 UPDATING THE FIRMWARE...
Page 247 08-926 : Version of UI data 3rd language in HDD 08-927 : Version of UI data 4th language in HDD 08-928 : Version of UI data 5th language in HDD DP4500/3500 UPDATING THE FIRMWARE 6 - 34 December 2000 © TOSHIBA TEC...
Page 248 F a i l e d . Message to notify that the process has been finished. Power OFF Power OFF Process succeeded : Completed Process failed : Failed December 2000 © TOSHIBA TEC 6 - 35 DP4500/3500 UPDATING THE FIRMWARE...
Page 249 F a i l e d . Message to notify that the process has been finished. Process succeeded : Completed Power OFF Power OFF Process failed : Failed DP4500/3500 UPDATING THE FIRMWARE 6 - 36 December 2000 © TOSHIBA TEC...
Page 250: Engine Firmware
Note: Pay attention to the direction of the ROM when it is attached to the board. Socket for ROM Connector [Jig board (PWA-F-DLM-320)] December 2000 © TOSHIBA TEC 6 - 37 DP4500/3500 UPDATING THE FIRMWARE...
Page 251 2. Remove 7 screws and disconnect one connector of the damp heater. Take off the lens cover. 3. Connect the downloading jig with the jig connector (J22) on the SLG board. Jig connector (J22) SLG board DP4500/3500 UPDATING THE FIRMWARE 6 - 38 December 2000 © TOSHIBA TEC...
Page 252 • Clean the mirrors-1, -2 and -3, part of the original glass where the shading correction plate is placed on top and ADF original glass after the downloading not to leave dust or oil stains on them. December 2000 © TOSHIBA TEC 6 - 39...
Page 254: Wire Harness Connection Diagrams
7. WIRE HARNESS CONNECTION DIAGRAMS December 2000 © TOSHIBA TEC 7 - 1 DP4500/3500 WIRE HARNESS CONNECTION DIAGRAMS...
Page 255: Ac Wire Harness
MAIN -SW DOOR-SW J581-2 J581-6 BLACK BROWN BROWN BLACK BLACK BROWN J581-4 BLACK BL ACK DP4500/3500 WIRE HARNESS CONNECTION DIAGRAMS 7 - 2 December 2000 © TOSHIBA TEC December 2000 © TOSHIBA TEC 7 - 3 DP4500/3500 WIRE HARNESS CONNECTION DIAGRAMS...
Page 257 DP4500/3500 SERVICE HANDBOOK 7.WIRE HARNESS CONNECTION DIAGRAMS 7.2 DC Wire Harness DP-4503/3503 7.2 DC WH-ADU-FED-L J312 J213 ADUFL ADU-TRL-SNR WH-ADU-FED-U WH-ADU-320 J328 J214 J212 J501 J501 (PPE) (BLK) ADUFU ADU-TRL-SNR (BLK) +24VF (BLK) +24VF WH-ADU-CVSW J311 J217 ADUCOVS J211 ADU-SET-SW...

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Dp3500

Toshiba DP4500 Service Handbook

1 Error Code and Self-Diagnosis

2 Adjustment

3 Preventive Maintenance (Pm)

4 Precautions for Storing/Handling Supplies and Parts

5 Troubleshooting

6 Updating the Firmware

7 Wire Harness Connection Diagrams

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Troubleshooting

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Table of Contents