Sharp MXM315U with list Error Codes and Epson L850 Adjustment Program

Sharp MXM315U Printer with list Error Codes and Epson L850 Adjustment Program

– Printer model: Sharp MXM315U
– Error codes on Sharp MXM315U with details instruction fixing:

Code: A0-01
Description: PCU PWB ROM error
Causes: The firmware version-up is not completed properly by interruption of the power during the version-up operation, etc. PCU PWB trouble.
Troubleshooting Guides: Use SIM49-1 to perform the firmware version-up procedure again. Replace the PCU PWB.

Code: A0-02
Description: SCU PWB ROM error
Causes: The firmware version-up is not completed properly by interruption of the power during the version-up operation, etc. SCU PWB trouble.
Troubleshooting Guides: Use SIM49-1 to perform the firmware version-up procedure again. Replace the SCU PWB.

Code: A0-11
Description: Firmware version inconsistency (MFP – PCU)
Causes: Firmware combination error between the MFP and the PCU.
Troubleshooting Guides: Install the firmware in the all-firmware version-up mode.

Code: A0-15
Description: Incompatible DSK BOOT and program firmware
Causes: Installation of the normal firmware was performed with a security kit enable.
Troubleshooting Guides: Stop installation of the normal firmware.

Code: A0-20
Description: Conflict firmware and EEPROM data version (MFP)
Causes: Inconsistency between the MFP firmware version and the EEPROM data version.
Troubleshooting Guides: Check the combination of the firmware.

Code: A0-21
Description: Conflict firmware and EEPROM data version (PCU)
Causes: Inconsistency between the PCU firmware version and the EEPROM data version.
Troubleshooting Guides: Check the combination of the firmware.

Code: A0-22
Description: Conflict firmware and EEPROM data version (SCU)
Causes: Inconsistency between the SCU firmware version and the EEPROM data version.
Troubleshooting Guides: Check the combination of the firmware.

Code: E7-01
Description: MFP image data error
Causes: Image data transfer error in the MFPC PWB. MFPC PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness of the MFPC PWB. Check or replace the MFPC PWB.

Code: E7-03
Description: HDD trouble
Causes: Connector, harness connection trouble in the MFPC PWB and HDD. HDD (error file management area) data abnormality (FAT breakage). MFPC PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness of the MFPC PWB and HDD. Use SIM62-2, 3 to check read/write operations of the HDD. Replace the HDD. Check or replace the MFPC PWB.

Code: E7-04
Description: HDD-ASIC error
Causes: HDD-ASIC trouble. (MFPC PWB trouble.) An error occurs in the HDD-ASIC self test when booting.
Troubleshooting Guides: Check or replace the MFPC PWB.

Code: E7-07
Description: SD card error
Causes: SD card trouble or contact error MFPC PWB trouble.
Troubleshooting Guides: Replace the SD card. Check the SD card socket. Replace the MFPC PWB.

Code: E7-10
Description: Shading error (Black correction)
Causes: Abnormality in the CCD black scan level when the scanner lamp is turned OFF. Improper installation of the harness to the CCD unit. CCD unit abnormality. SCU PWB abnormality.
Troubleshooting Guides: Check connection of the harness to the CCD unit. Check the CCD unit. Check the SCU PWB.

Code: E7-11
Description: Shading error (White correction)
Causes: Abnormality in the CCD white reference plate scan level when the scanner lamp is turned ON. Improper installation of the harness to the CCD unit. Dirt on the mirror, lens, and the reference white plate. Scanner lamp lighting trouble. Scanner lamp drive PWB trouble CCD unit abnormality. SCU PWB abnormality.
Troubleshooting Guides: Check connection of the harness to the CCD unit. Check connection of the harness to the scanner lamp unit. Check or replace the scanner lamp. Check or replace the scanner lamp drive PWB. Clean or replace the mirror, the lens, and the reference white board. Check or replace the CCD unit. Check or replace the SCU PWB.

Code: E7-14
Description: CCD-ASIC error
Causes: SCU PWB trouble. Improper Installation of the harness to the CCD unit. CCD unit abnormality. SCU PWB abnormality.
Troubleshooting Guides: Check the SCU PWB. Replace the SCU PWB. Check connection of the harness to the CCD unit. Check or replace the CCD unit. Check or replace the SCU PWB.

Code: E7-20
Description: LSU laser detection error
Causes: Laser optical axis misalignment Reduced laser power, lighting error, laser diode trouble. Disconnection or improper connection of harness and connector between LD PWB and MFPC PWB.
Troubleshooting Guides: Use SIM61-1 to check the operation of the LSU. Check connection of the connector and harness between the LD PWB and the MFPC PWB. Replace the MFPC PWB. Replace the LSU.

Code: E7-21
Description: LSU LD deterioration trouble
Causes: Laser deterioration, power reduction Disconnection or improper connection of harness and connector between LD PWB and MFPC PWB.
Troubleshooting Guides: Use SIM61-1 to check the operation of the LSU. Check connection of the communication connetctor between the LD PWB and MFPC PWB. Replace the MFPC PWB. Replace the LSU.

Code: E7-28
Description: LSU control Asic connection error
Causes: Improper connection of the communication connector between the PCU PWB and the MFPC PWB. Harness trouble between the PCU PWB and the MFPC PWB PCU PWB or MFPC PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness between the PCU PWB and the MFPC PWB. Replace the MFPC PWB. Replace the PCU PWB.

Code: E7-49
Description: Water Mark data error
Causes: Watermark data trouble. HDD trouble. * When the wartermark data is not installed, U2-60 error occurs in booting.
Troubleshooting Guides: Use SIM62-02/SIM62-03 to check HDD read/write. If the result is NG, a Troubleshooting Guides corresponding to E7-03 is required. Use SIM49-05 to update the watermark data. (Reinstallation)

– Sharp MXM315U printer Error Codes and quick guide on repairing:

Code: E7-50
Description: PCU connection trouble
Causes: A PWB/firmware which does not comply with the machine specifications is connected.
Troubleshooting Guides: Check the kind and the version of the firmware. LSU connection trouble. PCU PWB trouble. LSU trouble.

Code: E7-55
Description: PCU PWB information sum error
Causes: PCU EEPROM sum check error. PCU EEPROM trouble. PCU EEPROM contact trouble.
Troubleshooting Guides: Replace the PCU PWB. Replace the PCU EEPROM.

Code: E7-60
Description: MFP connection trouble
Causes: A PWB/firmware which does not comply with the machine specifications is connected.
Troubleshooting Guides: Check the kind and the version of the firmware. MFPC PWB trouble.

Code: E7-61
Description: MFP connection trouble (PCU)
Causes: Combination error between the MFPC PWB and the PCU.
Troubleshooting Guides: Check the MFPC PWB. Check the combination between the MFPC PWB and the PCU.

Code: E7-62
Description: MFP connection trouble
Causes: Combination error between the MFPC PWB and the SCU.
Troubleshooting Guides: Check the MFPC PWB. Check the combination between the MFPC PWB and the SCU.

Code: E7-80
Description: MFP – SCU PWB communication error
Causes: SCU PWB – MFPC PWB connection trouble. SCU PWB trouble. MFPC PWB trouble.
Troubleshooting Guides: Check connection of the SCU PWB and the MFPC PWB. Check the ground. Replace the SCU PWB. Replace the MFPC PWB.

Code: E7-90
Description: MFP – PCU PWB communication error
Causes: PCU PWB – MFPC PWB connection trouble. PCU PWB trouble. MFPC PWB trouble.
Troubleshooting Guides: Check connection of the PCU PWB and the MFPC PWB. Check the ground. Replace the PCU PWB. Replace the MFPC PWB.

Code: E7-91
Description: FAX reception image data error
Causes: Image data process abnormality HDD trouble SD card trouble or contact error Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error FAX control PWB trouble
Troubleshooting Guides: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace or check installation of the SD card. Replace the MFPC PWB. Replace or check installation of the DIMM memory. Replace the FAX control PWB.

Code: E7-92
Description: Copy image data error
Causes: Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
Troubleshooting Guides: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.

Code: E7-93
Description: Copy, image send, FAX, filing, print image data process error
Causes: Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
Troubleshooting Guides: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.

Code: E7-94
Description: Image file data process error (when importing file data)
Causes: Image data process abnormality HDD trouble Image compression data corruption MFPC PWB trouble DIMM memory trouble or contact error
Troubleshooting Guides: Use SIM60-01 to check the read/write operations of the memory. Replace the HDD. Replace the MFPC PWB. Replace or check installation of the DIMM memory.

Code: E7-96
Description: MFPC PWB DIMM memory check error
Causes: Memory data corruption occurs MFPC PWB trouble DIMM memory trouble or contact error
Troubleshooting Guides: Use SIM60-01 to check the read/write operations of the memory. Replace the MFPC PWB. DIMM memory socket check Replace the DIMM memory.

Code: EE-EL
Description: Auto developer adjustment trouble (Over-toner abnormality)
Causes: Toner density sensor trouble, charging voltage/ developing voltage error, toner concentration trouble, developing unit trouble, PCU PWB trouble.
Troubleshooting Guides: Use SIM25-2 to perform the auto developer adjustment.

Code: EE-EU
Description: Auto developer adjustment trouble (Under-toner abnormality)
Causes: Toner density sensor trouble, charging voltage/ developing voltage error, toner concentration trouble, developing unit trouble, PCU PWB trouble.
Troubleshooting Guides: Use SIM25-2 to perform the auto developer adjustment.

Code: F1-00
Description: Finisher – PCU PWB communication error
Causes: Connection trouble of the connector and the harness between the finisher and the PCU PWB. Finisher control PWB trouble. PCU PWB trouble.
Troubleshooting Guides: Check the connector and the harness between the finisher and the PCU PWB. Replace the finisher control PWB. Replace the PCU PWB.

Code: F1-03
Description: Finisher paper exit roller lifting operation trouble
Causes: Finisher paper exit roller lift motor trouble Harness and connector connection trouble Home position sensor trouble Finisher control PWB trouble
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper exit roller lift motor. Use SIM3-2 to check the operation of the home position sensor. Replace the paper exit roller lift motor. Check connection of the connector and the harness. Replace the home position sensor. Replace the finisher control PWB.

Code: F1-10
Description: Staple operation trouble
Causes: Staple motor trouble. Finisher control PWB trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the staple motor. Use SIM3-2 to check the operation of the home position sensor. Replace the staple motor. Check connection of the connector and the harness. Replace the home position sensor. Replace the finisher control PWB.

Code: F1-15
Description: Finisher paper exit tray lift operation trouble
Causes: Paper exit tray lift motor trouble. Finisher control PWB trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper exit tray lift motor. Use SIM3-2 to check the operation of the home position sensor. Replace the finisher control PWB. Replace the paper exit tray lift motor. Replace the home position sensor.

Code: F1-19
Description: Finisher alignment operation trouble F
Causes: Finisher paper alignment motor lock. Motor speed abnormality. Over-current to the motor. Finisher control PWB trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper alignment motor F. Use SIM3-2 to check the operation of the home position sensor. Replace the finisher control PWB. Replace the paper alignment motor F. Replace the home position sensor.

Code: F1-20
Description: Finisher alignment operation trouble R
Causes: Finisher paper alignment motor lock. Motor speed abnormality. Over-current to the motor. Finisher control PWB trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper alignment motor R. Use SIM3-2 to check the operation of the home position sensor. Replace the finisher control PWB. Replace the paper alignment motor R. Replace the home position sensor.

Code: F1-29
Description: Finisher cooling fan motor abnormality
Causes: Motor lock Motor harness short/open. Finisher control PWB trouble. Harness/connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the finisher cooling fan (FCF). Check connection from the finisher control PWB to the motor. Replace the finisher control PWB. Replace the fan motor.

Code: F1-37
Description: Finisher data backup RAM error
Causes: Finisher control PWB trouble. Malfunction due to noises
Troubleshooting Guides: Replace the finisher control PWB. Readjust the finisher. (Use SIM3-10, Finisher control PWB DIP SW adjustment.)

Code: F1-50
Description: Main unit – Finisher combination error
Causes: The finisher which is not supported by the main unit model is installed. Finisher control PWB trouble.
Troubleshooting Guides: Install a proper finisher. Replace the finisher control PWB.

Code: F1-95
Description: Paper exit option configuration error
Causes: The paper exit option configuration is improper.
Troubleshooting Guides: Install a proper option.

Code: F2-39
Description: Process thermistor trouble
Causes: Process thermistor trouble. Process thermistor harness connection trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the process thermistor. Check connection of the process thermistor harness and the connector. Replace the PCU PWB.

Code: F2-40
Description: Toner density sensor trouble
Causes: Toner density sensor output abnormality. Sensor connector and harness connection trouble. Developing unit trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor. Check connection of the sensor connector and the harness. Replace the developing unit. Replace the PCU PWB.

Code: F2-58
Description: Temperature/humidity sensor trouble (HUD_M/TH_M)
Causes: Temperature/humidity sensor trouble. Process humidity sensor harness and connector connection trouble PCU PWB trouble.
Troubleshooting Guides: Replace the temperature/humidity sensor. Check connection of the temperature/humidity sensor harness and the connector. Replace the PCU PWB.

Code: F2-64
Description: Toner supply operation trouble
Causes: Toner motor trouble. Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble.
Troubleshooting Guides: Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit.

Code: F2-70
Description: Improper toner cartridge detection
Causes: An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.) Toner cartridge trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the toner cartridge. Replace the PCU PWB.

Code: F2-74
Description: Toner cartridge CRUM error
Causes: Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector and harness trouble between PCU PWB and toner cartridge
Troubleshooting Guides: Replace the toner cartridge. Replace the PCU PWB. Check the connector and the harness between the PCU PWB and the toner cartridge.

Code: F3-12
Description: Paper feed tray 1 lift operation trouble
Causes: C1LUD is not turned ON within the specified time. C1LUD sensor trouble. Paper feed tray 1 lift unit trouble. PCU PWB trouble. Sensor harness and connector connection trouble
Troubleshooting Guides: Check connection of the harness and the connector of C1LUD. Replace the lift-up unit. Replace the PCU PWB.

Code: F3-22
Description: Paper feed tray 2 lift operation trouble
Causes: C2LUD does not turn ON within the specified time. C2LUD sensor trouble. Paper feed tray 2 lift unit trouble. PCU PWB trouble. Sensor harness and connector connection trouble
Troubleshooting Guides: Check the harness and the connector of C2LUD. Replace the lift-up unit. Replace the PCU PWB.

Code: F3-32
Description: Paper feed tray 3 lift operation trouble
Causes: C3LUD does not turn ON within the specified time. C3LUD sensor trouble. Paper feed tray 3 lift unit trouble. PCU PWB trouble. Sensor harness and connector connection trouble
Troubleshooting Guides: Check the harness and the connector of C3LUD. Replace the lift-up unit. Replace the PCU PWB.

Code: F3-42
Description: Paper feed tray 4 lift operation trouble
Causes: C4LUD does not turn ON within the specified time. C4LUD sensor trouble. Paper feed tray 4 lift unit trouble. PCU PWB trouble. Sensor harness and connector connection trouble
Troubleshooting Guides: Check the harness and the connector of C4LUD. Replace the lift-up unit. Replace the PCU PWB.

Code: F6-00
Description: MFPC PWB – FAX communication trouble
Causes: MFP – FAX communication establishment error / Framing / Parity / Protocol error
Troubleshooting Guides: Case 1 Cause FAX control PWB trouble. Check and Troubleshooting Guides Replace the FAX control PWB. Case 2 Cause FAX control PWB – MFPC PWB connector and harness trouble Check and Troubleshooting Guides Check the connector and the harness between the FAX control PWB and the MFPC PWB. Case 3 Cause FAX control PWB – Mother board connector and harness trouble Check and Troubleshooting Guides Check the connector and the harness between the FAX control PWB and the mother board. Case 4 Cause FAX control PWB ROM trouble / ROM pin breakage Check and Troubleshooting Guides Check the ROM of the FAX control PWB.

Code: F6-01
Description: FAX control PWB EEPROM read/write error
Causes: FAX control PWB EEPROM access error (Read and write)
Troubleshooting Guides: Case 1 Cause FAX control PWB EEPROM trouble Check and Troubleshooting Guides Check that no trouble occurs after replacement of EEPROM. Execute the memory check of SIM66-3 to insure that EEPROM can be accessed. Case 2 Cause FAX control PWB EEPROM access circuit trouble Check and Troubleshooting Guides Replace the FAX control PWB.

Code: F6-04
Description: FAX MODEM operation trouble
Causes: FAX control PWB MODEM chip operation trouble
Troubleshooting Guides: Case 1 Cause FAX MODEM chip operation trouble. Check and Troubleshooting Guides Replace the FAX control PWB. Case 2 Cause The FAX MODEM chip cannot be accessed. Check and Troubleshooting Guides Replace the FAX control PWB.

Code: F6-21
Description: Improper combination of TEL/LIU PWB and FAX soft switch
Causes: Incompatibility between the TEL/LIU PWB and the FAX control PWB information (soft switch)
Troubleshooting Guides: Case 1 Cause The destination of the TEL/LIU PWB installed is improper. Check and Troubleshooting Guides Check the destination of the TEL/LIU PWB. Case 2 Cause TEL/LIU PWB trouble. Check and Troubleshooting Guides Replace the TEL/LIU PWB.

Code: F6-30
Description: FAX 1-chip microprocessor access error (FAX detection)
Causes: FAX 1-chip microprocessor access error (Read and write)
Troubleshooting Guides: Case 1 Cause Program writing trouble to the 1-chip microprocessor, or no program data written. Check and Troubleshooting Guides Use SIM66-42 to rewrite the 1-chip microprocessor program. Case 2 Cause FAX 1-chip microprocessor circuit trouble. Check and Troubleshooting Guides Replace the FAX control PWB.

Code: F6-97
Description: Incompatibility between FAX control PWB and the main machine
Causes: The FAX control PWB installed is improper. FAX control PWB trouble.
Troubleshooting Guides: Install a proper FAX control PWB. Replace the FAX control PWB.

Code: F6-98
Description: Incompatibility between the FAX control PWB destination and the main machine destination
Causes: Incompatibility between the destination information written into the FAX control PWB EEPROM and that in the main machine (set with SIM26-6)
Troubleshooting Guides: 1) Check the destination of the FAX control PWB. 2) Check the destination of the machine. (SIM26-6)

Code: H2-00
Description: Thermistor open trouble (TH_UM)
Causes: Main thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Fusing section connector connection trouble Fusing unit not installed
Troubleshooting Guides: Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.

Code: H2-01
Description: Thermistor open trouble (TH_US)
Causes: Sub thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Fusing section connector connection trouble Fusing unit not installed
Troubleshooting Guides: Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.

Code: H3-00
Description: Fusing section high temperature trouble (TH_UM)
Causes: The fusing temperature exceeds the specified level. Main thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Power unit trouble.
Troubleshooting Guides: Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Replace the power unit.

Code: H3-01
Description: Fusing section high temperature trouble (TH_US)
Causes: The fusing temperature exceeds the specified level. Sub thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Power unit trouble.
Troubleshooting Guides: Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Replace the power unit.

Code: H4-00
Description: Fusing section low temperature trouble (TH_UM)
Causes: Main thermistor trouble. Main heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. HL control PWB trouble. Power unit trouble.
Troubleshooting Guides: Use SIM14 to cancel the trouble. Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL control PWB. Replace the power unit.

Code: H4-01
Description: Fusing section low temperature trouble (TH_US)
Causes: Sub thermistor trouble. Sub heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. HL control PWB trouble. Power unit trouble.
Troubleshooting Guides: Use SIM14 to cancel the trouble. Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL control PWB. Replace the power unit.

Code: H5-01
Description: 5-time continuous jams of POSD
Causes: A fusing jam is not canceled completely. (A jam paper remains.) POSD sensor trouble Fusing unit installation trouble POSD sensor connector and harness connection trouble PCU PWB trouble Fusing unit, drive section trouble
Troubleshooting Guides: Replace the POSD sensor. Check installation of the fusing unit. Replace the fusing unit. Check paper around the fusing unit section. Check connection of the POSD sensor connector and the harness. Replace the PCU PWB. Use SIM14 to cancel the trouble.

Code: L1-00
Description: Scanner feed trouble
Causes: Scanner unit trouble. SCU PWB trouble. Scanner control PWB trouble. Harness and connector connection trouble. Scanner home position sensor trouble. Scanner motor trouble.
Troubleshooting Guides: Use SIM1-1 to check the scan operation. Replace the scanner unit. Replace the SCU PWB. Check connection of the connectors and the harness. Replace the scanner home position sensor. Replace the scanner motor.

Code: L3-00
Description: Scanner return trouble
Causes: Scanner unit trouble SCU PWB trouble Scanner control PWB trouble Harness and connector connection trouble Scanner home position sensor trouble Scanner motor trouble
Troubleshooting Guides: Use SIM1-1 to check the scan operation. Replace the scanner unit. Replace the SCU PWB. Check connection of the connectors and the harness. Replace the scanner home position sensor. Replace the scanner motor.

Code: L4-01
Description: Main motor lock trouble
Causes: Main motor lock trouble Harness and connector connection trouble PCU PWB trouble
Troubleshooting Guides: Use SIM6-1 to check the operation of the main motor lock. Replace the main motor. Check connection of the connectors and the harness. Replace the PCU PWB.

Code: L4-11
Description: Shift motor trouble
Causes: Shift motor trouble. PCU PWB trouble. Connection trouble of the connector and the harness. Shifter home position sensor trouble.
Troubleshooting Guides: Use SIM6-1 to check the shift operation. Use SIM30-1 to check the operation of the shifter home position sensor. Replace the shift motor. Replace the PCU PWB. Check connection of the connector and the harness. Replace the shifter home position sensor.

Code: L4-32
Description: Power source cooling fan trouble
Causes: Power cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM6-2 to check that the fan is actually rotating. Replace the power cooling fan. Replace the PCU PWB. Check connection of the connectors and the harness.

Code: L4-34
Description: LSU cooling fan trouble
Causes: LSU cooling fan trouble. PCU PWB trouble Connection trouble of the connector and the harness.
Troubleshooting Guides: Check connection of the connectors and the harness. Use SIM6-2 to check the rotating operation of the fan. Replace the LSU cooling fan. Replace the PCU PWB.

Code: L4-35
Description: Fusing cooling fan trouble
Causes: Fusing cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM6-2 to check that the fan is actually rotating. Replace the fusing cooling fan. Replace the PCU PWB. Check connection of the connector and the harness.

Code: L4-40
Description: Ozone fan trouble
Causes: Harness/connector trouble between the PCU PWB and the fan motor. PCU PWB trouble. Fan motor trouble. The fan does not rotate because of the other trouble (No power supply to the fan motor)
Troubleshooting Guides: Use SIM6-2 to check the operation of the fan motor. Replace the fan motor / the PCU PWB. Check connection of the connector and the harness.

Code: L4-43
Description: Paper exit cooling fan trouble
Causes: Paper exit cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Replace the fan. Replace the PCU PWB. Check the connector and the harness. Use SIM6-2 to check that the fan is actually rotating.

Code: L4-70
Description: Toner motor lock trouble
Causes: Toner motor abnormality Improper connection or disconnection of the toner motor and the harness. PCU PWB abnormality
Troubleshooting Guides: Use SIM 10-1 to check the toner motor operations. Check connection of the toner motor harness/ connector. Replace the toner motor. Replace the PCU PWB.

Code: L6-10
Description: Polygon motor trouble
Causes: Polygon motor trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM61-1 to check the operation of the polygon motor. Check connection of the connector and the harness. Replace the LSU. Replace the PCU PWB.

Code: L8-02
Description: Full wave signal width abnormality
Causes: PCU PWB trouble. Power unit trouble. Harness trouble
Troubleshooting Guides: Replace the PCU PWB. Replace the power unit. Check connection of the connector and the harness.

Code: L8-20
Description: Power controller communication trouble
Causes: PCU PWB – MFPC PWB connector connection trouble. Broken connector pin of the PCU PWB of the MFPC PWB.
Troubleshooting Guides: Replace the PCU PWB. Check connector connection between the PCU PWB and the MFPC PWB. Check the ground of the main unit.

Code: P1-00
Description: PCI communication error
Causes: Communication error between the MFPC PWB and the PCI. Connection failure of connectors and harness between the MFPC PWB and the PCI. MFPC PWB trouble. PCI control PWB trouble.
Troubleshooting Guides: Check connection of the harness and connectors between the MFPC PWB and the PCI. Check the MFPC PWB, and replace if necessary. (Refer to the necessary procedures after replacement of the MFPC PWB in the Service Manual, and perform the procedures.) Check the PCI control PWB, and replace if necessary.

Code: P1-01
Description: PCI fan error
Causes: The PCI fan operation signal is not detected. PCI fan trouble. PCI control PWB trouble.
Troubleshooting Guides: Check connection of the connectors and harness between the PCI fan and the PCI control PWB. Check the PCI control PWB, and replace if necessary. Check the PCI fan, and replace if necessary.

Code: P1-02
Description: Plasma generating device error
Causes: Connection failure of connectors and harness between the plasma generating device and the PCI control PWB. Plasma generating device trouble. PCI control PWB trouble.
Troubleshooting Guides: Check connection of the connectors and harness between the plasma generating device and the PCI control PWB. Replace the plasma generating device. Check the PCI control PWB, and replace if necessary.

Code: PC–
Description: Personal counter not detected
Causes: The personal counter is not installed. The personal counter is not detected. SCU PWB trouble.
Troubleshooting Guides: Check connection of the connectors and the harness. Replace the SCU PWB.

Code: U1-01
Description: Battery trouble
Causes: 1) Battery life 2) Battery circuit abnormality
Troubleshooting Guides: Check to confirm that the battery voltage is about 2.5V or above. Replace the battery.

Code: U2-00
Description: MFP EEPROM read/write error
Causes: MFPC PWB EEPROM trouble EEPROM socket contact trouble MFPC PWB trouble Strong external noises.
Troubleshooting Guides: Replace the MFPC PWB EEPROM. Replace the MFPC PWB. (Refer to the pages on the necessary works after replacing the MFPC PWB in the Service Manual, and perform the works.) Check the power environment.

Code: U2-05
Description: SD/MFPC PWB SRAM contents inconsistency
Causes: The SD card was replaced. The MFPC PWB was replaced. SD card trouble MFPC PWB trouble
Troubleshooting Guides: Refer to the pages on the necessary works after replacing the SD and the MFPC PWB in the Service Manual, and perform the works. Use SIM16 to cancel the error.

Code: U2-10
Description: MFPC PWB SRAM user authentication index check sum error
Causes: SRAM user index information (user authentication basic data) check sum error. MFPC PWB SRAM trouble. MFPC PWB trouble. Strong external noises.
Troubleshooting Guides: Use SIM16 to cancel the error. (Index information data in the HDD are transferred to the SRAM.) Replace the MFPC PWB. (Refer to the pages on the necessary works after replacing the MFPC PWB in the Service Manual, and perform the works.)

Code: U2-11
Description: MFPC PWB EEPROM counter check sum error
Causes: MFPC PWB EEPROM trouble EEPROM socket contact trouble MFPC PWB trouble Strong external noises.
Troubleshooting Guides: Use SIM16 to cancel the error. (The previous writing data (about the latest 8 sheets) are written into the EEPROM.) Replace the MFPC PWB. (Refer to the pages on the necessary works after replacing the MFPC PWB in the Service Manual, and perform the works.)

Code: U2-22
Description: MFPC PWB SRAM memory check sum error
Causes: MFP PWB SRAM trouble Strong external noises Access circuit trouble
Troubleshooting Guides: The data of the communication management table in the SRAM is initialized when an error occurs, register the deleted data again Use SIM16 to cancel the error Replace the MFPC PWB

Code: U2-23
Description: MFPC PWB SRAM memory user authentication counter check sum error
Causes: SRAM trouble Runaway of the control circuit due to the noise MFPC PWB SRAM access circuit trouble
Troubleshooting Guides: Initialize automatically the data relating to the content that check sum error occurs by the power-OFF/ON. The saved ‘Scan’ and ‘Fax’ data may be deleted by auto initialization. To check if there’re any deletion of those data above, by ‘Job Log’. If there’re any deletions, ask customer to do deleted job again. Clear the U2 trouble by SIM16. Replace the MFPC PWB.

Code: U2-24
Description: MFPC PWB SRAM memory user authentication counter check sum error
Causes: MFPC PWB SRAM trouble MFPC PWB trouble Strong external noises.
Troubleshooting Guides: Use SIM16 to cancel the error. (The check sum error detection data are calculated again to reset the proper check sum data.) Replace the MFPC PWB. (Refer to the pages on the necessary works after replacing the MFPC PWB in the Service Manual, and perform the works.)

Code: U2-30
Description: MFPC PWB and PCU PWB manufacturing No. data inconsistency
Causes: When replacing the PCU PWB or the MFPC PWB, the EEPROM which was mounted on the PWB before replacement is not mounted on the new PWB. MFPC PWB trouble PCU PWB trouble
Troubleshooting Guides: Check that the EEPROM is properly set. Check to confirm that the EEPROM which was mounted on the PWB before replacement is mounted on the new PWB. Replace the MFPC PWB. (Refer to the pages on the necessary works after replacing the MFPC PWB in the Service Manual, and perform the works.) Replace the PCU PWB.

Code: U2-40
Description: SD card system storage data area error
Causes: A file error occurs in the SD card system storage data partition. SD card trouble MFPC PWB trouble
Troubleshooting Guides: Turn OFF/ON the power, and the backup data in the HDD are written into the SD card and the machine is automatically booted. Check the MFPC PWB, and replace if necessary. Check the SD card, and replace if necessary.

Code: U2-41
Description: HDD system storage data area error
Causes: A file error occurs in the HDD system saved data area, disabling backup of the saved file of the machine adjustment values in the SD card. HDD trouble MFPC PWB trouble
Troubleshooting Guides: Check the HDD, and replace if necessary. Check the MFPC PWB, and replace if necessary. When replacing the HDD and the MFPC PWB, refer to the chapter of ‘Necessary works and procedures of HDD and MFPC PWB replacement.’

Code: U2-42
Description: Machine adjustment data (system storage data area) error
Causes: The saved file of the machine adjustment values in the SD card and the HDD cannot be found or is broken. Both of the SD card set data and the HDD system saved data area are broken. HDD trouble MFPC PWB trouble SD card trouble
Troubleshooting Guides: Check the HDD, and replace if necessary. Check the MFPC PWB, and replace if necessary. Check the SD card, and replace if necessary. When replacing the HDD, the MFPC PWB, and the SD card, refer to the chapter of ‘Necessary works and procedures of HDD, MFPC PWB, and SD card replacement.’ Use SIM to adjust the machine again and set the adjustment values.

Code: U2-50
Description: HDD*1 user authentication data check sum error (SD card when no HDD is installed)
Causes: HDD trouble*1 MFPC PWB trouble Strong external noises.
Troubleshooting Guides: Check the data related to the check sum error (address book, image send system registration data (senders record, meta data)) and register again. Use SIM16 to cancel the U2 trouble. Replace the HDD*1. Replace the MFPC PWB. (Refer to the pages on the necessary works after replacing the HDD and the MFPC PWB in the Service Manual, and perform the works.)*1

Code: U2-60
Description: Watermark check error
Causes: Watermark data trouble HDD trouble MFPC PWB trouble
Troubleshooting Guides: Use SIM16 to cancel the U2 trouble. Use SIM49-5 to install the watermark data. Replace the HDD. Replace the MFPC PWB. (Refer to the pages on the necessary works after replacing the HDD and the MFPC PWB in the Service Manual, and perform the works.)

Code: U2-80
Description: SCU PWB EEPROM read/write error
Causes: SCU PWB EEPROM trouble SCU PWB trouble SCU PWB EEPROM socket connection trouble
Troubleshooting Guides: Replace the SCU PWB EEPROM. Replace the SCU PWB. Check connection of the SCU PWB EEPROM socket. Check the SIM adjustment value of the following items, and adjust again if they are improper. * Scanner-related adjustments * Touch panel-related adjustments Use SIM16 to cancel the trouble. To avoid missing of the counter data and the adjustment values, use this simulation to save the counter data and the adjustment values. (If there is a printer option, use SIM22-01 to save the counter data and the adjustment values.)

Code: U2-81
Description: SCU PWB EEPROM check sum error
Causes: SCU PWB EEPROM trouble. Installation of non-initialized EEPROM. SCU PWB trouble. EEPROM socket contact trouble
Troubleshooting Guides: Replace the SCU PWB EEPROM. Replace the SCU PWB. Check contact of the EEPROM socket. Use SIM16 to cancel the trouble. (The check sum error detection data are calculated again to reset the proper check sum data.) To avoid missing of the counter data and the adjustment values, use this simulation to save the counter data and the adjustment values. (If there is a printer option, use SIM22-01 to save the counter data and the adjustment values.)

Code: U2-90
Description: PCU PWB EEPROM read/write error
Causes: PCU PWB EEPROM trouble PCU PWB trouble EEPROM socket contact trouble
Troubleshooting Guides: Replace the PCU PWB EEPROM. Check the SIM adjustment values of the engine, and adjust again if they are improper. Replace the PCU PWB. Check contact of the EEPROM socket. Use SIM16 to cancel the trouble. To avoid missing of the counter data and the adjustment values, use this simulation to save the counter data and the adjustment values. (If there is a printer option, use SIM22-01 to save the counter data and the adjustment values.)

Code: U2-91
Description: PCU PWB EEPROM check sum error
Causes: PCU PWB EEPROM trouble PCU PWB trouble EEPROM socket contact trouble
Troubleshooting Guides: Replace the PCU PWB EEPROM. Replace the PCU PWB. Check contact of the EEPROM socket. Use SIM16 to cancel the trouble. (The check sum error detection data are calculated again to reset the proper check sum data.) To avoid missing of the counter data and the adjustment values, use this simulation to save the counter data and the adjustment values. (If there is a printer option, use SIM22-01 to save the counter data and the adjustment values.)

Code: U7-50
Description: MFPC PWB – Vendor machine communication error
Causes: Improper setting of the vendor machine specifications (SIM26-3). Vendor machine trouble. MFPC PWB trouble. Connector, harness connection trouble. Strong external noises.
Troubleshooting Guides: Cancel the error by turning OFF/ON the power. Check the connector and the harness in the communication line. Change the specifications of the vendor machine (SIM26-3). Replace the MFPC PWB.

Code: U7-51
Description: Vendor machine error
Causes: Serial vendor machine trouble. Connector, harness connection trouble.
Troubleshooting Guides: Err.XX is displayed on the operation panel of the vendor. (XX is the detail code.) Repair the vendor machine referring to the detail code. Check the connector and the harness in the communication line.

Code: UC-02
Description: CPT – ASIC error
Causes: SCU PWB trouble. (CPT-ASIC trouble.)
Troubleshooting Guides: Replace the SCU PWB.

Code: UC-20
Description: DOCC ASIC error
Causes: SCU PWB trouble. (DOCC-ASIC trouble.)
Troubleshooting Guides: Replace the SCU PWB.

Epson L850 Adjustment Program

– OS Support: only Windows Operating System.
– Because Adjprog.exe gets Hardware ID info => Antivirus will misunderstand Adjprog.exe is the virus ==> you need to disable antivirus before extract and run Epson L850 Adjustment Program or add to exclusion folder
– Limitation: Unlimited using on only 1 Computer.
– Epson L850 AdjProg or Epson L850 Adjustment Program or Epson L850 Adj Program, is a middleware developed by third-party software to supply for Epson L850 printer, making printer continuous printing without error.

– Epson L850 Adjustment Program is featured with clearing the waste ink counter, ultra-deep clean to clean the printhead, adjust the smoothness of the printhead, adjust the motor headers, and fix the errors: no printing, lack of colour printing, colour blur, prints with horizontal and vertical stripes…

Epson L850 Adjustment Functions:

– Bi-D Adjustment
– USB ID Input
– Initial Ink Charge
– Deep Cleaning the Print Head
– Reset Waste Ink Pad Counter
– Head ID Setting
– EEPROM initial setting
– Top margin Adjustment

Using Epson L850 Adjustment Program

– Choose printer model and usb connection

– Choose Particular Adjustment Mode

Using Epson L850 Adjustment Program Step 2

– Choose Waste Ink Pad Counter

Using Epson L850 Adjustment Program Step 4

– Read Waste Ink Pad Counter

Using Epson L850 Adjustment Program Step 5

– Reset Waste Ink Pad Counter

Using Epson L850 Adjustment Program Step 6

Active Epson L850 Adjustment Program

– Run Adjprog.exe, Copy L850 Hardware ID, send it to admin email : [email protected] to get serial key and then active Epson L850 Adjustment Program.