Samsung Xpress C480 Series Service Manual
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Samsung Xpress C480 Series Service Manual

Color laser mfp
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SERVICE
Color Laser MFP
Refer to the service manual in the GSPN (see the rear cover) for more information.
Color Laser MFP
Xpress C480 series
SL-C480 / C480W / C480FN /
C480FW
(Ver 1.01)
MANUAL
1. Precautions
2. Product specification and description
3. Disassembly and Reassembly
4. Alignment and Troubleshooting
5. System Diagram
6. Reference Information
Contents

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Paul Heller
February 10, 2025

C480FW prints full letter size but only prints 1/4 of the original being copied.

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Summary of Contents for Samsung Xpress C480 Series

  • Page 1 Color Laser MFP Xpress C480 series SL-C480 / C480W / C480FN / C480FW (Ver 1.01) SERVICE MANUAL Color Laser MFP Contents 1. Precautions 2. Product specification and description 3. Disassembly and Reassembly 4. Alignment and Troubleshooting 5. System Diagram 6. Reference Information...

  • Page 2: Table Of Contents

    Toner Cartridges and Imaging Unit ..............2 − 19 2.2.5. Hardware configuration ....................2 − 20 2.2.5.1. Main board ....................2 − 22 2.2.5.2. OPE board ....................2 − 24 2.2.5.3. Fax board (C480FN_FW only) ................ 2 − 26 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 3 CIS unit and Scan Drive unit ..................3 − 12 3.4.6. Middle Cover ......................3 − 13 3.4.7. Fax board........................3 − 13 3.4.8. HVPS board ....................... 3 − 14 3.4.9. LSU.......................... 3 − 14 3.4.10. FRAME BASE-PAPER PATH ..................3 − 15 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 4 Useful management tools ....................4 − 13 4.1.6.1. SyncThru™ Web Service................4 − 13 4.1.6.2. Samsung Easy Printer Manager................ 4 − 18 4.1.7. Updating Firmware ...................... 4 − 20 4.1.7.1. Update the firmware by using the USB port............4 − 20 4.1.7.2.

  • Page 5: Precautions

    High voltages and lasers inside this product are dangerous. This product should only be serviced by a factory trained service technician. 2) Use only Samsung replacement parts. There are no user serviceable parts inside the product. Do not make any unauthorized changes or additions to the product as these could cause the product to malfunctions and create an electric shocks or fire hazards.

  • Page 6: Caution For Safety

    Exposed cables could cause an electric shock. Replace the damaged power cable immediately, do not reuse or repair the damaged cable. Some chemicals can attack the coating on the power cable, weakening the cover or exposing cables causing fire and shock risks. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 7 Take care not to cut or damage the power cable or plugs when moving the machine. 9) Use caution during thunder or lightning storms. Samsung recommends that this machine be disconnected from the power source when such weather conditions are expected. Do not touch the machine or the power cord if it is still connected to the wall socket in these weather conditions.

  • Page 8: Handling Precautions

    1.2.4. Assembly and Disassembly precautions 1) Replace parts carefully and always use Samsung parts. Take care to note the exact location of parts and also cable routing before dismantling any part of the machine. Ensure all parts and cables are replaced correctly. Please carry out the following procedures before dismantling the product or replacing any parts.

  • Page 9: Disregarding This Warning May Cause Bodily Injury

    5) Do not install the printer on a sloping or unstable surface. After installation, double check that the printer is stable. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 10: Esd Precautions

    9) Minimize bodily motions when handling unpackaged replacement ESDs. Normal motions, such as the brushing together of clothing fabric and lifting one’s foot from a carpeted floor, can generate static electricity sufficient to damage an ESD. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 11: Product Specification And Description

    • NFC (Near Field Communication) Printing (C480W / C480FW only) 5) Toner cartridge yield • Initial : 700 (K)/ 500 (CMY) • Sales: 1,500 (K)/ 1,000 (CMY) [ C480/ C480W (3 in 1 model)] Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 12: Specifications

    Scan: 600 x 600 dpi (Optical 600 x 600 dpi) , Printing : 600 x C480FN / 600 x 2bit C480FW only Magazine Scan: 600 x 600 dpi (Optical 600 x 600 dpi) , Printing : 600 x 600 x 2bit Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 13: Scan

    Compatibility ITU-T G3 Communication System PSTN/PABX Modem Speed 33.6 Kbps Tx Speed Approx. 3 sec (Mono / Standard / ECM-MMR / ITU-T G3 No1.standard) Compression MH / MR / MMR / JBIG / JPEG Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 14 2 Types available (with Image TCR, w/o image TCR) Report & List Print out Auto Dial List System Data List 5 sec/ LTR Scan speed Fine 5 sec/ LTR S.Fine 6 sec/ LTR Fax Memory Std/Max 5 MB (400 pages) Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 15: Controller And Software

    SNMPv1/2/3 / HTTP / SLP / Bonjour / DDNS / WSD / DHCP / Bootp / AutoIP Network Protocol Authentication : Open System, Shared Key, WPA Personal, WPA2 • personal Encryption : WEP64 / WEP128 / TKIP / AES • Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 16: Paper Handling

    Width: 142 ~ 216 mm (5.6" ~ 8.5") only • Length : 148 ~ 356 mm (5.8" ~ 14.0") 2.1.2.7. Reliability and Service Item Specification Average Monthly Volume Color 46 pages, Mono 140 pages Max. Monthly Duty 20,000 images Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 17: Environment

    C480FN/ C480FW : 406 x 362 x 333.5 mm (16 x 14.3 x 13.1 inches) • • C480 / C480W : 12.80 Kg (28.22 lbs) Machine with Weight consumables • C480FN/ C480FW : 13.96 Kg (30.78 lbs) Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 18: Supplies

    20,000 pages JC91-01137A Fuser unit • Approx. 20,000 images B&W or 5,000 images Color (110V) JC91-01138A • (220V) Pick-Up roller JC73-00309A 20,000 pages ITB unit JC96-06292A Approx. 20,000 images B&W or 5,000 images Color Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 19: System Overview

    Some features and optional goods may not be available depending on model or country. C480 Scanner lid NFC tag * Handle Toner cartridges Tray Front door Waste toner container Output support Control panel Imaging unit Scan unit * C480W only. USB port Scanner glass Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 20 Document feeder input tray Waste toner container Document feeder output support Imaging unit Handle Scan unit Tray USB port Front cover Scanner lid Document output tray Scanner glass Control panel * C480FW only. 2-10 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 21: Rear View

    • Some features and optional goods may not be available depending on model or country. C480 / C480W Rear cover Power receptacle USB port Network port * * C480W only C480FN / C480FW Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-11...
  • Page 22 2. Product specification and description Rear cover Power receptacle USB port Network port Telephone line socket (LINE) Extension telephone socket (EXT.) 2-12 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 23: Paper Path

    2. Product specification and description 2.2.3. Paper Path The following diagram displays the path the paper follows during the printing process. [ADF] [Engine] Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-13...

  • Page 24: System Layout

    Pick up unit, Fuser, Cassette. The hardware parts consists of the main board, SMPS, HVPS board, OPE board, PC interface. Cassette OPC drum Pick up roller K toner cartridge Registration roller C toner cartridge Transfer(T2) roller M toner cartridge ITB Unit Y toner cartridge Fuser Unit ADF unit 2-14 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 25: Feeding Section

    If you do not adjust the guide, it may cause paper registration, image skew, or jamming of the paper. 2) Pick up roller This roller has functions such as a paper pickup function, paper feeding function, and removing electronic static function. Pick up roller is driven by solenoid. Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-15...

  • Page 26: Transfer Roller

    The transfer roller unit is assembled to the rear of the machine. The transfer roller delivers the toner of the OPC drum to the paper. 2.2.4.3. Drive Unit The Drive unit is assembled to the right frame. It consists of a BLDC motor, a clutch, and various gears. 2-16 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 27: Fuser Unit

    5) Halogen Lamp • Voltage : 110 V (115 ± 5 %) / 220 V : 230 ± 5 % • Capacity : 850 Watt ± 25 W Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-17...

  • Page 28: Lsu (Laser Scanner Unit)

    In other words, after the HSYNC signal is detected, the image data is sent to the LSU to adjust the left margin on paper. The one side of the polygon mirror is one line for scanning. 2-18 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 29: Toner Cartridges And Imaging Unit

    Handling of wasted toner : Collect the wasted toner in the cleaning frame by using cleaning blade • Classifying device for toner cartridge: ID is classified by CRUM OPC drum Developing Roller Supply Roller Charge Roller Cleaning Roller Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-19...

  • Page 30: Hardware Configuration

    The engine controller controls all modules required to print, that is, LSU, HVPS/SMPS, Fuser, Motor etc. It communicates with the video control block inside CPU for printing; and it has the interface for all video sync signal to print out the video data. 2-20 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 31 The main board is adopted 800MHz CPU that is integrated with engine/ video/ scan controller. It uses DDR3 128MByte. Circuit board locations The following diagrams show the locations of the printer circuit boards: Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-21...

  • Page 32: Main Board

    & I n n er TE M P . & O P C K E Y C R U M K D E V E H O M E sen so r C TD S E N S O R 2-22 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 33 SMPS interface connector Connection Board interface connector LSU interface connector HVPS interface connector • Information Part Code ▪ C480 : JC92-02815A ▪ C480W : JC92-02819A ▪ C480FN : JC92-02820A ▪ C480FW : JC92-02821A Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-23...

  • Page 34: Ope Board

    The OPE controller is composed of an OPE MICOM(STM8SP103K3MAZTR), ),Status LED, Fax LED, Copy LED, Scan LED, WPS LED, ECO LED, POWER LED,16×2 LINE LCD, KEY. The OPE controller communicates with main board via UART. The power LED is controlled by the main board. [OPE controller diagram] 2-24 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 35 ▪ C480 : JC92-02822A ▪ C480W : JC92–02822B ▪ C480FN / C480FW : JC92–02823A PBA Name : PBA-OPE • Connection Platen step motor connector Interface connector to Main board Scan home sensor connector Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-25...

  • Page 36: Fax Board (C480Fn_Fw Only)

    This board connects between the clucth/sensor/CRUM I/F board and the main board. • Connection ITB Clutch DEVE Clutch Regi/Empty Senor ITB I/F Regi Clutch DEVE Home Sensor Pickup Clutch Crum I/F board • Information Part Code : JC92-02489A Part Name : PBA-CONNECTOR 2-26 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 37: Ctd (Color Tone Density) Board

    This board connects the signal and power of the CRUM, OPC vender signal and outer temperature sensor. • Information Part Code : JC92-02824A Part Name : PBA-CRUM JOINT • Connection Interface Connector to Main Board Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-27...

  • Page 38: Usb Host

    The Wireless LAN Module supports 802.11b/g/n. It communicates with main board via SPI. NOTE Only C480W & C480FW supports wireless functions. • Information Part Code : JC92–02766A Part Name : PBA-WNPC • Connection Interface Connector to Main board (JC39-02404A, FLAT CABLE-WLAN) 2-28 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 39: Smps (Switching Mode Power Supply) Board

    DC 5.1V : 10.2W DC 24V : 48W • Information 110V 220V Part Code JC44–00213A JC44–00214A Part Name CARLSEN-V1-xx CARLSEN-V2-xx xx : SH(Sung Ho), CW(New Cowitel) • Connection AC Inlet Fuser_AC output Output_DC Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-29...
  • Page 40 Ground +24V +24V power +24V +24V Power +24V +24V Power Ground +5V Power +5V Power Ground 24V_OFF Sleep mode (Input) RELAY ON Fuser Relay 24VS Main PBA 24VF (Input) Fuser on Fuser On 2-30 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 41: Hvps Board

    High Voltage Power Supply(HVPS) board generates the high voltage such as MHV, DEV, Blade, SUP and THV. • Connection HVPS I/F Waste Toner Rear Cover Open Eraser lamp Front Cover Open Paper Exit sensor • Information Part Code : JC44–00215B Part Name : HVPS Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-31...

  • Page 42: Nfc Tag Sticker

    Wi-Fi. Communication is also possible between an NFC device and an unpowered NFC chip, called a "tag". NFC tag sticker stores Mac, PIN, Mobile Print App URL of Printer/MFP. • Information Part Code : JC68–03012A Part Name : LABEL ETC-NFC TECTILE STICKER (25x25mm) 2-32 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 43: Electrical Parts Location

    CTD sensor Color density sensing Thermostat temperature detection Thermistor temperature detection Photo interrupter (Paper exit sensor) Paper detection Cover open sensor Cover open detection Photo interrupter (ITB belt sensing ) Belt rotation sensing Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-33...

  • Page 44: Engine F/W Control Algorithm

    Humidity Sensor in the device senses a change in the environment. The current to the Transfer Roller is changed through the AD converter on the HVPS. The voltage value for provided to the transfer roller is decided by the changed value. 2-34 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 45: Fusing

    Recovery: If the LReady or Hsync error happens, the paper is exited before the error code is initiated. The engine mode is changed to recovery mode and the engine informs the main system of the engine mode. And the engine checks the LSU error. If the error doesn’t happen, the printing job resumes. Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-35...

  • Page 46: Software Descriptions

    1) The Application (Emulation) interprets and translates data received from the Host to a printing language to complete the users job. 2) The Kernel controls and manages the whole procedure including Control flow and the Printing Job before transferring it to the Engine for printing. 2-36 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 47: Data And Control Flow

    2) The Kernel is manages the flow control emulation as it receives data from Host or Network card; then manges the printing of the image by the engine. 3) The Application Layer containing the Emulation portion interprets the data from the selected emulation , and transfers the data to the Kernel Layer. Copyright© 1995-2017 SAMSUNG. All rights reserved. 2-37...
  • Page 48 2) Kernel receives this data from Host, and then select emulation fit to data and start selected one. After emulation job end, Kernel sends the output bit-map data to Engine using Printer Video Controller (by clock type for LSU). 3) Engine print the received data to required paper with the sequential developing process. 2-38 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 49: Disassembly And Reassembly

    3.1.1. Precautions when assembling and disassembling • Use only approved Samsung spare parts. Ensure that part number, product name, any voltage, current or temperature rating are correct. Failure to do so could result in damage to the machine, circuit overload, fire or electric shock.

  • Page 50: Releasing Plastic Latches

    Many of the parts are held in place with plastic latches. The latches break easily; release them carefully. To remove such parts, press the hook end of the latch away from the part to which it is latched. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 51: Screws Used In The Printer

    6003-000196 SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000196 SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000282 SCANNER SCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,- 6003-000196 PLATEN SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000196 PLATEN-LOWER SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000269 DRIVE-PLATEN SCREW-TAPTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,- 6003-000196 SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000196 SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000196 REAR SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000196 WLAN SCREW-TAPTYPE;PWH,+,B,M3,L10,NI PLT,SWRCH18A Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 52 3. Disassembly and Reassembly Parts Code Location Description 6003-000269 BRACKET FAX SCREW-TAPTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,- 6003-000269 COVER-MIDDLE SCREW-TAPTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,- Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 53: Replacing The Maintenance Parts

    5. Open the rear cover. Release the FRAME-TRANSFER from the left hole. 2. Remove YMCK toner cartridges and waste toner container. 3. Remove the imaging unit. 6. Pull down the both levers. 4. Unplug the ITB connector from the top-right. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 54 3. Disassembly and Reassembly 7. Remove the ITB Unit while holding its handle. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 55: Fuser Unit

    2. Remove the rear cover after removing 4 screws. 6. Remove 6 screws. 3. Remove the right cover. 7. Release the FRAME-TRANSFER. Remove the 4. Remove the SMPS cover after removing 2 screws. FRAME-DUMMY MFP. And remove the fuser unit. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 56: Transfer(T2) Roller

    3.3.4. Pick up roller 1. Remove the cassette. See the bottom of the machine. 3. Remove the pick up rubber. 2. Release the stopper from the shaft. Move the right HOUSING-PICK UP to the right. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 57: Replacing The Main Svc Parts

    Before service, remove all toner cartridges and waste toner container. 3.4.1. Cover 1. Open the rear cover door. 4. Release the left cover. 2. Remove the rear cove after removing 4 screws. 3. Release the right cover. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 58: Adf Unit

    3.4.3. OPE Unit 1. Open the scanner unit. 4. Remove the OPE Unit after unplugging the connector. 2. Remove 3 screws from the bottom of the scanner unit. 3. Turn the OPE Unit over. 3-10 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 59: Platen Unit

    1. Remove the left and right cover. 2. Unplug the scan connectors from the main board. 3. Open the platen unit. Release the Scanner Hinge unit. 4. Lift up and release the platen unit. Copyright© 1995-2017 SAMSUNG. All rights reserved. 3-11...

  • Page 60: Cis Unit And Scan Drive Unit

    2. Remove 5 screws from the bottom of the platen unit. 6. Unplug the flat cable. Release the CIS unit. 3. Remove the OPE Unit. 7. Remove the scan drive unit after removing 3 screws. 4. Remove 3 screws. 3-12 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 61: Middle Cover

    1. Remove the right cover. 4. Unplug the flat cable. Remove 1 screw. And remove the fax board. 2. Release the harness from the fax board. 3. Remove the fax board cover after removing 2 screws. Copyright© 1995-2017 SAMSUNG. All rights reserved. 3-13...

  • Page 62: Hvps Board

    2. Remove 5 screws. Release the lock. And release the HVPS board. 3.4.9. LSU 1. Remove the cassette. Stand the machine to see the bottom. 2. Remove 3 screws. Unplug the flat cable. And release the LSU. 3-14 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 63: Frame Base-Paper Path

    2. Unplug the connector from the PBA-CONNECTOR. Remove the main board after removing 4 screws and connectors. 5. Remove the FRAME BASE-PAPER PATH after removing 2 screws. 3. Remove 4 screw from the bottom of the machine. Copyright© 1995-2017 SAMSUNG. All rights reserved. 3-15...

  • Page 64: Regi Clutch And Pick Up Solenoid

    2. Release the regi. clutch after removing the WASHER-PLAIN. 3. Remove 4 gears. 3.4.12. Feed sensor and Empty sensor 1. Remove the FRAME BASE-PAPER PATH. (Refer to 3.4.10) 2. Release the Empty sensor and Feed sensor. 3-16 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 65: Main Board

    3.4.14. SMPS board 1. Remove the right cover. (Refer to 3.4.1) 3. Unplug all connectors on SMPS board. Remove 2 screws. And remove the SMPS board. 2. Remove the SMPS cover after removing 2 screws. Copyright© 1995-2017 SAMSUNG. All rights reserved. 3-17...

  • Page 66: Cam Solenoid

    3. Disassembly and Reassembly 3.4.15. Cam Solenoid 1. Remove the right cover. 4. Release the Cam Solenoid. 2. Remove the middle cover. (Refer to 3.4.6) 3. Remove the Cam Solenoid cover after removing 1 screw. 3-18 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 67: Main Drive Unit

    5. Remove 4 screws and 2 gears inside the right frame. 2. Remove the main board and fax board. 3. Remove 2 screws. 6. Release the Main Drive Unit. 4. Remove the Holder-Clutch and Holder-Gear after removing 4 screws. Copyright© 1995-2017 SAMSUNG. All rights reserved. 3-19...

  • Page 68: Alignment And Troubleshooting

    Turn into eco mode to reduce toner consumption and paper usage when pc-printing and copying only Direct USB Allows you to directly print files stored on a USB memory device when it is inserted into the USB port on the front of your machine. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 69 When you press this button, you can hear a dial tone. Then enter a fax number. It is similar to making a call using speaker phone. Back Sends you back to the upper menu level. Scan Switches to Scan mode. Status LED Indicates the status of your machine. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 70: Understanding The Status Led

    Some LEDs may not be available depending on model or country. • To resolve the error, look at the error message and its instructions from the troubleshooting part. • You also can resolve the error with the guideline from the computers’s Samsung Printing Status window. Status Description Status The machine is off-line.

  • Page 71: Jam Removal

    Original paper jam in front of scanner 1) Open the document feeder cover. 3) Close the document feeder cover. 2) Gently remove the jammed original from the document feeder. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 72 2) Gently remove the jammed original from the document feeder. 5) Gently remove the jammed original from the bottom of the document feeder. 3) Close the document feeder cover. 6) Close the document feeder. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 73 Original paper jam in exit area of scanner 1) Remove any remaining originals from the document 4) Close the Stacker. feeder. 2) Open the Stacker up. 3) Gently remove the jammed original from the document feeder. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 74: Clearing Paper Jams

    In tray1 1) Take off the cassette. 4) Open the scanner unit. 5) Close the scanner unit. 2) Remove the jammed paper by gently pulling it straight out. 3) Reinstall the cassette. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 75 If you do not see the paper in this area, stop and go to next step: 4) Open the rear cover door. 2) Remove the jammed paper by gently pulling it straight out. 5) Open the FRAME-TRANSFER. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 76 4. Alignment and Troubleshooting 6) Remove the jammed paper by gently pulling it straight 8) Close the rear cover door. out. 7) Close the FRAME-TRANSFER. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 77: Useful Menu Item For Service

    4 Normal You can set the altitude value from Device Settings in Samsung Easy Printer Manager program. • For Windows and Macintosh users, you set from Samsung Easy Printer Manager > Switch to advanced mode > Device Settings. NOTE •...
  • Page 78 Print Density : allows you to manually adjust the color contrast for each cartridge. It is recommended to use the Default setting for best color quality. • Tone Adjust.: The machine calibrates the toner density of machine for the best possible color print quality. 4-11 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 79: Periodic Defective Image

    White and Black Spots Developing Roller 26.0mm White spot, Horizontal black band Supply Roller 47.5mm Periodic Band by little difference of density Transfer Roller 54.64mm Ghost, Damaged image by abnormal transfer Transfer roller Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-12...

  • Page 80: Useful Management Tools

    You can get the machine’s IP address from the machine report. 2) Your machine’s SyncThru™ Web Service website opens. [ IPv6 supported web browser ] 1) Start a web browser, such as Internet Explorer®, that supports IPv6 addressing as a URL. 4-13 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 81 Group: You can manage group address books. Settings tab Settings tab has sub menus, Machine Settings and Network Settings. You cannot view or access this tab if you do not log-in as an administrator. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-14...
  • Page 82 Proxy: You can set proxy settings and enable authentication. Security tab The security tab has System Security, Network Security, User Access Control and System Log. You cannot access this tab if you do not log-in as an administrator. 4-15 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 83 Log configuration: You can enable or disable keeping logs. You can also backup log files by periods and transfer to a repository server. Log Viewer : You can view, delete, and search log files. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-16...
  • Page 84 Maintenance tab This tab allows you to maintain your machine by upgrading firmware, managing applications, and setting contact information for sending emails. You can also connect to the Samsung website or download manuals and drivers by selecting the Link menu.

  • Page 85: Samsung Easy Printer Manager

    Select Start > Programs or All Programs > Samsung Printers > Samsung Easy Printer Manager . For Mac, The Samsung Easy Printer Manager interface is comprised of various basic sections as described in the table that follows: NOTE The screenshot may differ depending on operating system you are using.
  • Page 86 The information will vary based on the machine selected. Some machines do not have this feature. Order supplies Click on the Order button from the supply ordering window. You can order replacement toner cartridge(s) from online. 4-19 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 87: Updating Firmware

    4) Drag the SWUPGRADE_ON.prn file and drop down on the usblist2.exe. 5) Drag the firmware file and drop down on the usblist2.exe icon. And then firmware update will be started automatically. 6) When upgrading is completed, the machine will automatically reboot. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-20...

  • Page 88: Update The Firmware By Using The Network

    Firmware file to update Upgrade Procedure 1) Open the Web-browser and input IP address of machine. Click “Login”. 2) Log-in Admin Mode. (ID: admin, PW: sec00000) 3) Select Maintenance menu and click “upgrade wizard” 4-21 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 89 4) Select firmware file using “browser” button and press next button. 5) SyncThru will check verify firmware file and compare version and press next button. 6) Machine starts upgrading. SyncThru will return home page after upgrading is completed. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-22...

  • Page 90: Tech Mode

    Clear All Mem. Toner Low Level [1:30]:10 Clear Count Enter Password [????] Platen Scan ADF Scan Transfer Roller Fuser Pickup Roller Imaging Unit Transfer Belt ADF Roller ADF Rubber Pad Off* Engine Footer Dial Tone 4-23 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 91 This is a setting value of the High level tone and low level tone at DTMF mode. (Not dial mode) • Pause Time It shows the delay time when receiving the pause input at auto dial. • Dial Mode This function can choose dial method. * Default : Dial (Dial/Pulse) Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-24...
  • Page 92 Protocol list shows the sequence of the CCITT group 3 T.30 protocol during the most recent sending or receiving operation. Use this list to check for send and receive errors. • Supplies Info Supplies Information Report shows toner cartridge information such as toner remaining, toner capacity, toner product date etc. 4-25 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 93 0191-System Fan Run Start/Stop System (Main) Fan run 100-0241 0241-Waste Ton LED Waste Toner Led On/Off 100-0250 0250-Waste Ton Sens Detect if the waste toner is full or not. Display Waste Tank Full adc Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-26...
  • Page 94 0060-LSU Motor1 Run LSU Motor1 On/Off 110-0111 0080-LD Power LSU LD Power On/Off with normal LD Power 111-0080 0080-ID Sensor Start ID sensor sensing On/Off 111-0090 0090-IC Sensor Chk Display ID sensor reading value 4-27 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 95: Nfc Tag Writing

    Android 4.0 : Settings → WIRELESS & NETWORKS On NOTE NFC setting depends on Android version. 3) Install the NFC writing tag application. a) Download and install the NFC tag application. b) Execute the application. 4) Select the machine. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-28...
  • Page 96 5) When selecting the machine, machine information will display. If you want to enter PIN code, set up the Pin button is ON. Enter the PIN code. 6) Contact the mobile device to NFC tag. 7) “Tag Written successfully” message will display. If not, retry the tagging. 4-29 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 97 4. Alignment and Troubleshooting Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-30...

  • Page 98: Troubleshooting

    - Main PBA Red LED on / See the troubleshooting OPE LED Error message for error code Green OK? is displayed. Print (test page) Printing Refer to "Solution quality is of Image Problem" nomal? 4-31 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 99: Basic Check List

    Refer to image quality problem section. 6) Check consumables (toner etc.). • Using the keys print the Test Pattern. › Expected life of various consumable parts, compare this with the figures printed and replace as required Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-32...

  • Page 100: Error Code And Troubleshooting

    Error: #C1-4711 Call for Service P.4–41 C1-4712 Error: #C1-4712 Call for Service P.4–41 C1-5110 Prepare Toner P.4–40 C1-5120 Replace Toner P.4–40 C1-5150 Replace Toner P.4–40 C1-5160 Replace Toner P.4–40 C1-5411 Install Toner P.4–40 4-33 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 101 P.4–51 U1-2330 Error: #U1-2330 Turn off then on P.4–55 U1-2340 Error: #U1-2340 Turn off then on P.4–59 U2-6120 Error #U2-6120 Turn off then on P.4–64 U2-6140 Error #U2-6140 Turn off then on P.4–64 Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-34...
  • Page 102 4. Alignment and Troubleshooting Error Code Error Message Troubleshooting Page U3-3313 Document jam. Remove jam P.4–65 U3-3314 Document jam. Remove jam P.4–65 U3-4110 Door of scanner is open P.4–65 4-35 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 103 2) Remove the rear and right cover. 3) Check if the connection between main board and main motor are correct. If the connection is OK, replace the main motor. 4) If the problem persists, replace the main board. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-36...
  • Page 104 1) Turn the machine off then on. If the error persists, turn the machine off again. 2) Remove the all toner cartridges and imaging unit. 3) Check if the CTD sensor connector is connected correctly. If the sensor connection is OK, replace the CTD board. 4-37 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 105 The outer temperature sensor is defective. ► Troubleshooting method 1) Turn the machine off then on. If the error persists, turn the machine off again. 2) Remove the front cover. 3) Replace the PBA-DEVE CRUM JOINT. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-38...
  • Page 106 1) Turn the machine off then on. If the error persists, turn the machine off again. 2) Remove the right cover. 3) Check if the Deve home sensor connector is connected correctly. 4) If the sensor is defective, replace it. 4-39 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 107 And reinstall the toner cartridge. 3) If the problem persists, check that the CRUM contact area is contaminated. Clean it. 4) If the problem persists, replace the toner cartridge with new one. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-40...

  • Page 108: Error Message

    Not compatible Cyan toner Not compatible Black toner ► Symptom Toner cartridge is not compatible. ► Troubleshooting method 1) If the toner cartridge is not a Samsung genuine toner cartridge, replace with new one. ► Error Code C1-2711 C1-2712 C1-3711...

  • Page 109: Prepare New Imaging Unit

    The imaging unit is low status (C3–6110) or at the end of its life (C3–6130/6140). ► Troubleshooting method 1) If its life is at the end, turn the machine off and replace the imaging unit with new one. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-42...

  • Page 110: Error: #C3-6520 Door Open/Close

    1) Turn the machine off then on. If the error persists, turn the machine off again. 2) Remove and reinstall the ITB unit. 3) Check if the ITB home sensor connector is connected correctly. 4) If the problem persists, replace the ITB unit. 4-43 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 111: Prepare New Transfer Roller

    Waste toner container is not installed. Install it. ► Symptom The waste toner container is not installed ► Troubleshooting method 1) Check if the waste toner container is installed properly. 2) Remove and reinstall the waste toner container. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-44...

  • Page 112: Paper Jam In Tray

    Check if the pick up roller are worn out or contaminated. Clean the contaminated part or replace it. b) Check if the feed actuator or feed sensor is assembled correctly. 3) If the pick up solenoid is defective, replace it. 4-45 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 113: Paper Empty In Tray

    The machine detected that the output tray has got full or the bin-full sensor is defective. ► Troubleshooting method 1) Remove the paper on the output tray. 2) Check if the Bin-full Sensor connector is connected properly. Reconnect it. 3) If the sensor is defective, replace it. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-46...

  • Page 114: Door Open Close It

    ► Error message Scan Unit Open or Exit JAM ► Symptom Scanner is opened or exit jam has occurred. ► Troubleshooting method 1) Remove the jammed paper from exit area. 2) Close the scanner unit. 4-47 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 115: Scanner Locked

    S6-3113 ► Error message Network Failure: #S6-3113. Turn off then on. Call for service if the problem persists ► Symptom Network PHY chip is defective. ► Troubleshooting method 1) Replace the main board. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-48...
  • Page 116 Wireless security settings are incorrect. Please change the settings ► Symptom Wireless security settings like a WEP/WPA/WPA2 are incorrect. ► Troubleshooting method 1) Turn the machine and AP off then on. 2) Change the wireless network settings. 4-49 Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 117: Wi-Fi Direct Is Not Ready

    Failed to connect to Wi-Fi Direct. Turn off your mobile device and turn it on ► Symptom Wi-Fi Direct library is initialized. ► Troubleshooting method 1) Turn the machine off then on. 2) Change the wireless network settings. Retry it. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-50...

  • Page 118: Error: #U1-2320 Turn Off Then On

    Check the ADC port operation and H/W protect operation. Thermistor Open test : After unplugging the fuser connector, check if the U1–2320 error occurs. If the error occurs, the main board is normal. If not, replace the main board. 4-51 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 119 Thermostat test : Measure the resistance for both terminals of the thermostat. Normal : 0 ~ 5 Ω Abnormal : More than 20 MΩ • Thermistor test a) Check if the thermistor contacts the heat roller. Normal : Contact / Abnormal : Non-Contact Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-52...
  • Page 120 257 ~ 430 30 ~ 35 217 ~ 357 35 ~ 40 183 ~ 297 • Check the Heater. Check the fuser lamp terminal resistance with DVM. (Normal range : 5 ~ 10 Ω) 4-53 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 121 4. Alignment and Troubleshooting 5) Check if the input voltage is normal. 6) If the check item for step 1~5 is normal, replace the fuser unit. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-54...

  • Page 122: Error: #U1-2330 Turn Off Then On

    Check the ADC port operation and H/W protect operation. Thermistor Open test : After unplugging the fuser connector, check if the U1–2320 error occurs. If the error occurs, the main board is normal. If not, replace the main board. 4-55 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 123 Thermostat test : Measure the resistance for both terminals of the thermostat. Normal : 0 ~ 5 Ω Abnormal : More than 20 MΩ • Thermistor test a) Check if the thermistor contacts the heat roller. Normal : Contact / Abnormal : Non-Contact Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-56...
  • Page 124 257 ~ 430 30 ~ 35 217 ~ 357 35 ~ 40 183 ~ 297 • Check the Heater. Check the fuser lamp terminal resistance with DVM. (Normal range : 5 ~ 10 Ω) 4-57 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 125 4. Alignment and Troubleshooting 5) Check if the input voltage is normal. 6) If the check item for step 1~5 is normal, replace the fuser unit. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-58...

  • Page 126: Error #U1-2340 Turn Off Then On

    Check the ADC port operation and H/W protect operation. Thermistor Open test : After unplugging the fuser connector, check if the U1–2320 error occurs. If the error occurs, the main board is normal. If not, replace the main board. 4-59 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 127 Thermostat test : Measure the resistance for both terminals of the thermostat. Normal : 0 ~ 5 Ω Abnormal : More than 20 MΩ • Thermistor test a) Check if the thermistor contacts the heat roller. Normal : Contact / Abnormal : Non-Contact Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-60...
  • Page 128 257 ~ 430 30 ~ 35 217 ~ 357 35 ~ 40 183 ~ 297 • Check the Heater. Check the fuser lamp terminal resistance with DVM. (Normal range : 5 ~ 10 Ω) 4-61 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 129 If the surface of the thermistor is normal, replace the fuser unit, SMPS board, and main board all together. 5) Check if the input voltage is normal. 6) If the check item for step 1~5 is normal, replace the fuser unit. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-62...

  • Page 130: Error #U2-6120 Turn Off Then On

    2) If it is OK, check that the LSU harness on LSU board is connected properly. 3) Check if the LSU harness is defective. 4) If the problem persists, replace the LSU. 5) If the problem persists after replacing LSU, replace the main board. 4-63 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 131 5) If the problem persists, replace the ADF unit. ► Error Code U3-4110 ► Error message Door of scanner is open. ► Symptom ADF cover is opened. ► Troubleshooting method 1) Close the ADF cover. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-64...

  • Page 132: Image Quality Problems

    Check if there are scratches on the circumference of the Replace the corresponding toner cartridge and test again. developing roller. Check if paper transfer belt is damaged or contaminated. Replace the ITB unit and test again. 4-65 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 133 Check the connecting state between the Main PBA and HVPS. Reconnect the harness. Poor contact between toner cartridge and set contacts. Clean the contacts as necessary. Replace any deformed or damaged contacts. HVPS is defective. Replace the HVPS. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-66...
  • Page 134 Solution The life of the Toner Cartridge has expired. Replace the toner cartridge. The pressure force in the left and right springs of the ITB Replace the ITB Unit unit is not even. 4-67 Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 135 • Description : Toner is not properly fixed on paper. Cause and Check Point Solution The media doesn’t meet specification Use the proper media in specifications. Fuser is defective Replace the fuser unit. Copyright© 1995-2017 SAMSUNG. All rights reserved. 4-68...

  • Page 136: System Diagram

    & I n n er TE M P . & O P C K E Y C R U M K D E V E H O M E sen so r C TD S E N S O R Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 137: Connection Diagram

    JC 39- 00895A U SB D EVE Sensor EM PTY /R EG I [ 0604- 001154] Sensor H O ST C R U M JO I N T [ 0604- 001154] [ JC 92- 02824A] Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 138: Reference Information

    M2 short). Tweezers Spring Hook Standard : For general home use, small type. Standard : For general use Cotton Swab Software (Driver) installation CD ROM Standard : For general home use, for medical service. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 139: Glossary

    IP addresses to client hosts. Dual Inline Memory Module (DIMM), a small circuit board that holds memory. DIMM stores all DIMM the data within the machine like printing data, received fax data. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 140 Hard Disk Drive (HDD), commonly referred to as a hard drive or hard disk, is a non-volatile storage device which stores digitally-encoded data on rapidly rotating platters with magnetic surfaces. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 141 As most faxes consist mostly of white space, this minimizes the transmission time of most faxes. Modified Modified READ (MMR) is a compression method recommended by ITU-T T.6. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 142 Resolution resolution. Server Message Block (SMB) is a network protocol mainly applied to share files, printers, serial ports, and miscellaneous communications between nodes on a network. It also provides an authenticated Interprocess communication mechanism. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 143 (WAP) and any wireless laptop or WPA-PSK desktop devices. WPA-PSK generates a unique key for each session between a wireless client and the associated WAP for more advanced security. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 144 XML Paper Specification (XPS) is a specification for a Page Description Language (PDL) and a new document format, which has benefits for portable document and electronic document, developed by Microsoft. It is an XML-based specification, based on a new print path and a vector-based device-independent document format. Copyright© 1995-2017 SAMSUNG. All rights reserved.

  • Page 145: Document Revision List

    6. Reference Information 6.3. Document Revision List Version Date Page Description 1.00 01/Apr/2015 Release 1.01 12/Jan/2016 4–51 ~ Update fuser error troubleshooting. Copyright© 1995-2017 SAMSUNG. All rights reserved.
  • Page 146 CIS, Africa E.Asia, W.Asia, https://gspn2.samsungcsportal.com China, Japan N.America, S.America https://gspn3.samsungcsportal.com This Service Manual is a property of Samsung Electronics © 2017 Samsung Electronics Co.,Ltd. Co.,Ltd. All rights reserved. Any unauthorized use of Manual can be punished under Printed in Korea applicable International and/or domestic law.

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