Sharp MXM565N with list Error Codes and Epson L4150 Adjustment Program

Sharp MXM565N Printer with list Error Codes and Epson L4150 Adjustment Program

– Printer model: Sharp MXM565N
– Error codes on Sharp MXM565N 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. ROM trouble.
Troubleshooting Guides: Use SIM49-1 to perform the version-up procedure again. Replace the ROM.

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. ROM trouble.
Troubleshooting Guides: Use SIM49-1 to perform the version-up procedure again. Replace the ROM.

Code: A0-04
Description: ACU PWB ROM error (when scanner expansion kit is installed)
Causes: The firmware update is failed because of turning OFF the power during the firmware update operation, etc. ROM trouble.
Troubleshooting Guides: Use SIM49-1 to execute update of the firmware. Replace the ROM.

Code: A0-15
Description: DSK BOOT version disagreement
Causes: Firmware combination error between the DSK and the BOOT.
Troubleshooting Guides: Check the combination between the DSK and the BOOT.

Code: A0-17
Description: Inconsistency between the UI data and the CPU firmware version
Causes: Combination error between the UI contents data and the CPU UI firmware version.
Troubleshooting Guides: Install the firmware in the all firmware version up mode.

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: C1-10
Description: Main charger trouble
Causes: The main charger unit is not installed properly. There is an abnormality in the main charger unit. Disconnection of the high voltage PWB connector. MC/DV high voltage PWB trouble. PCU PWB trouble
Troubleshooting Guides: Check the output of the main charger with SIM8-2. Check disconnection of the main charger./Replace. Check disconnection of the high voltage PWB connector./Replace. Replace the MC/DV high voltage PWB. Replace the PCU PWB.

Code: C4-20
Description: Transfer output trouble
Causes: Transfer unit abnormality. Transfer unit insertion trouble. TC output harness disconnection, breakage. OPC drum abnormality (does not rotate). High voltage PWB trouble PCU PWB trouble.
Troubleshooting Guides: Replace the transfer unit. Reinsert the transfer unit. Check or replace the TC output harness Replace the high voltage PWB. Replace the PCU PWB.

Code: E6-10
Description: Shading error (Black correction)
Causes: Installation error of the CCD unit harness. CCD unit trouble. DSPF PWB trouble.
Troubleshooting Guides: Check the installing state of the harness to the CCD unit. Check the CCD unit / the DSPF PWB.

Code: E6-11
Description: Shading error (White correction)
Causes: Installation error of the CCD unit harness. Copy lamp lighting trouble. Dirt on the reference white plate. CCD unit trouble. DSPF PWB trouble. Shading adjustment error
Troubleshooting Guides: Check the installing state of the harness the CCD unit. Clean the reference white plate. Check the CCD unit / the DSPF PWB.

Code: E6-14
Description: CCD-ASIC error
Causes: DSPF PWB trouble.
Troubleshooting Guides: Replace the DSPF PWB.

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

Code: E7-02
Description: HDD trouble (when the mirroring kit is installed)
Causes: When installing the mirroring kit, the HDD of the machine or the HDD of the mirroring kit breaks down or connection fails.. Defective installation of the mirroring kit. Breakdown of the HDD of the mirroring kit. Defective connection between the HDD and the mirroring kit harness. MFP PWB trouble.
Troubleshooting Guides: Use SIM62-20 to check the trouble. Check installation of the mirroring kit and replace if necessary. Replace the broken HDD. Replace the mirroring kit. Replace the MFP PWB.

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

Code: E7-04
Description: HDD-ASIC error
Causes: HDD-ASIC trouble. An error occurs in the HDD-ASIC self test when booting.
Troubleshooting Guides: Replace the MFP PWB.

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

– Sharp MXM565N printer Error Codes and quick guide on repairing:

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 / 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. 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. Clean the mirror, the lens, and the reference white plate. Check the CCD unit / the SCU PWB.

Code: E7-14
Description: CCD-ASIC error
Causes: SCU PWB trouble.
Troubleshooting Guides: Check the SCU PWB. Replace the SCU PWB.

Code: E7-20
Description: LSU laser detection error
Causes: Optical axis shift. Reduced laser power, lighting error, laser diode trouble. Harness and connector trouble between the LD/BD PWB and the LSU control PWB.
Troubleshooting Guides: Use SIM61-1 to check the operation of the LSU. Check the PWB and connection of the harness in the LSU. Replace the LSU.

Code: E7-21
Description: LSU laser deterioration trouble
Causes: Power reduction due to laser deterioration. Harness and connector disconnection/insertion trouble between the LD PWB and the LSU control PWB.
Troubleshooting Guides: Use SIM61-1 to check the operation of the LSU. Check the PWB and connection of the harness in the LSU. Replace the LSU.

Code: E7-24
Description: LSU LD driver error
Causes: Disconnection or improper connection of the harness and the connector between the LD PWB and the LSU control PWB. LD PWB/LSU control PWB trouble.
Troubleshooting Guides: Use SIM61-1 to check the operation of the LSU. Check the harness and the connector between the LD PWB and the LSU control PWB. Replace the LD PWB / LSU control PWB.

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

Code: E7-29
Description: LSU ASIC frequency error
Causes: Oscillation abnormality of the external oscillator and the internal oscillating circuit used in the LSU ASIC. LSU ASIC abnormality on the LSU ASIC PWB.
Troubleshooting Guides: Replace the LSU control PWB.

Code: E7-42
Description: Data error (ACRE ASIC)
Causes: Image transfer trouble. PWB.
Troubleshooting Guides: Check the connection state of the ACRE ASIC PWB connector. Replace the ACRE ASIC PWB.

Code: E7-46
Description: Decode error (ACRE ASIC)PWB.
Causes: Compression data abnormality. Garbled data are produced in image compression/ transmission. ACRE ASIC PWB trouble.
Troubleshooting Guides: Check the installation state of the PWB. Check connection of the ACRE ASIC PWB. Replace the ACRE ASIC PWB.

Code: E7-47
Description: Combination error between MFP PWB and ACRE firmware
Causes: Connect to the scanner expansion PWB (ACRE) with the firmware which does not support MFP PWB
Troubleshooting Guides: Update the firmware on SIM49-1 or SIM49-10.

Code: E7-48
Description: Memory error (ACRE ASIC)
Causes: DIMM trouble, memory slot trouble. DIMM insertion trouble, different DIMM inserted.
Troubleshooting Guides: DIMM trouble. Replace the PWB.

Code: E7-49
Description: Water Mark data error
Causes: Watermark data trouble
Troubleshooting Guides: Use SIM49-5 to upload the watermark data. Replace the HDD.

Code: E7-50
Description: Engine connection trouble
Causes: A PWB, or firmware, or LSU which is not supported by the machine specifications is detected in the PCU PWB. PCU PWB trouble. LSU trouble.
Troubleshooting Guides: Check the kind and the version of the firmware. Check the LSU, and replace it if necessary. Check the PCU PWB, and replace it if necessary.

Code: E7-55
Description: PWB information sum error (Engine detection)
Causes: PCU EEPROM sum check error. PCU EEPROM trouble. PCU EEPROM contact trouble. Malfunction due to noises
Troubleshooting Guides: Replace the PCU PWB. Replace the PCU EEPROM.

Code: E7-60
Description: Combination error between the MFP PWB and other PWB, firmware
Causes: A PWB or firmware which is not supported by the machine specifications is detected in the MFP PWB. MFP PWB trouble. The PWB/firmware which is not supported by the machine specifications is connected.
Troubleshooting Guides: Check the kind and the version of the firmware. Check the MFP PWB, and replace it if necessary.

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

Code: E7-65
Description: MFP EEPROM sum check error
Causes: MFP PWB EEPROM device breakdown. Contact trouble of the MFP EEPROM device. Malfunction due to noises.
Troubleshooting Guides: Replace the MFP PWB. Replace the MFP PWB EEPROM

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

Code: E7-89
Description: Communication error between MFPc PWB CPU and energy-saving NIC controller
Causes: No response can be obtained from the energy-saving NIC controller
Troubleshooting Guides: Replace the MFP PWB.

Code: E7-90
Description: MFP – PCU PWB communication error
Causes: PCU PWB – MFP PWB connection trouble. PCU PWB trouble. MFP PWB trouble.
Troubleshooting Guides: Check connection of the PCU PWB, the MFP PWB, Check the ground. Replace the PCU PWB. Replace the MFP 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. MFP PWB trouble. FAX control PWB trouble.
Troubleshooting Guides: Use SIM60-1 to check the read/write operations of the memory. Replace the HDD. Replace or check installation of the SD card. Replace the MFP PWB. Replace the FAX control PWB.

Code: E7-92
Description: Copy image data error
Causes: Image data process abnormality. HDD trouble. Image compression data corruption. MFP PWB trouble.
Troubleshooting Guides: Use SIM60-1 to check the read/write operations of the memory. Replace the HDD. Replace the MFP PWB.

Code: E7-93
Description: Copy, image send, filing, print image data process error
Causes: Image data process abnormality. HDD trouble. Image compression data corruption. MFP PWB trouble.
Troubleshooting Guides: Use SIM60-1 to check the read/write operations of the memory. Replace the HDD. Replace the MFP PWB.

Code: E7-94
Description: Image file data process error (when importing file data)
Causes: Image data process abnormality. HDD trouble. Image compression data corruption. MFP PWB trouble.
Troubleshooting Guides: Use SIM60-1 to check the read/write operations of the memory. Replace the HDD. Replace the MFP PWB.

Code: E7-95
Description: MFP PWB DIMM memory check error (Soc)
Causes: Memory data corruption occurs MFP PWB trouble. DIMM memory trouble or contact error
Troubleshooting Guides: Use SIM60-1 to check the read/write operations of the memory. DIMM memory socket check. Replace the DIMM memory.

Code: E7-96
Description: MFP PWB DIMM memory check error (ASIC)
Causes: Memory data corruption occurs. DIMM memory trouble or contact error MFP PWB trouble.
Troubleshooting Guides: Use SIM60-1 to check the read/write operations of the memory. Replace the HDD. Replace the MFP PWB.

Code: E7-A0
Description: LSU LD PWB EEPROM read/write error
Causes: EEPROM/LD driver trouble. EEPROM/LD driver access circuit trouble.
Troubleshooting Guides: Check connection of the connector and the harness of the LD PWB and the PCU PWB. Replace the PCU PWB. If the above remedies cannot delete the trouble replace the LSU.

Code: E7-A5
Description: Installation error of HDD which was used in the mirroring kit
Causes: HDD which was used in the mirroring kit is installed to the MFP without the mirroring kit.
Troubleshooting Guides: Replace the HDD with one which has not been used in the mirroring kit.

Code: E7-A6
Description: Compact flash memory trouble
Causes: Compact flash memory trouble. MFP PWB trouble. File system control area data trouble.
Troubleshooting Guides: Replace the compact flash memory. Replace the MFP PWB.

Code: EE-EC
Description: Automatic toner density adjustment error
The sampling level in the automatic toner density adjustment is outside of 128+-3?
Causes: Toner density sensor trouble. Developing unit trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor. Replace the developing unit. Replace the PCU PWB.?

Code: EE-EL
Description: Automatic toner density adjustment error (Over toner)
The sampling level in the automatic toner density adjustment is 77 or less or the control voltage is 207 or above.
Causes: Toner density sensor trouble. Charging voltage/ developing voltage trouble, toner density trouble, or developing unit trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor. Replace the developing unit. Replace the PCU PWB.

Code: EE-EU
Description: Automatic toner density adjustment error (Under toner)
The sampling level in the automatic toner density adjustment is 177 or above or the control voltage is 52 or less.
Causes: Toner density sensor trouble. Charging voltage/ developing voltage trouble, toner density trouble, or developing unit trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor. Replace the developing unit. Replace the PCU PWB.

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. Strong external noises.
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. 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: F1-08
Description: Stapler shift trouble
Causes: Stapler shift motor trouble. Finisher control PWB trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the stapler shift motor. Replace the stapler shift 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. Replace the staple motor. Check connection of the connector and the harness. Replace the home position sensor. Replace the finisher control PWB.

Code: F1-11
Description: Finisher grip operation trouble
Causes: Grip motor trouble. Finisher control PWB trouble. Grip arm trouble. Home position sensor trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the grip motor. Replace the grip motor. Replace the finisher control PWB. Replace the grip arm. Replace the home position sensor.

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

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.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper alignment motor F. Replace the finisher control PWB. Replace the paper alignment motor F.

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.
Troubleshooting Guides: Use SIM3-3 to check the operation of the paper alignment motor R. Replace the finisher control PWB. Replace the paper alignment motor R.

Code: F1-21
Description: Finisher fan trouble
Causes: Finisher fan motor trouble. Finisher control PWB trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the fan motor. Check connection between the finisher control PWB and the fan. Replace the fan. Replace the finisher control PWB.

Code: F1-22
Description: Finisher assist motor trouble
Causes: Motor harness short/open trouble. Control PWB trouble. Connection harness/connector connection trouble
Troubleshooting Guides: Check the operation of the rear edge assist motor with SIM3-3. Check connection from the control PWB to the motor. Replace the control PWB.

Code: F1-23
Description: Finisher shutter trouble
Causes: Motor lock trouble. Control PWB trouble, home position sensor trouble. Connection harness/connector connection trouble.
Troubleshooting Guides: Check the operation of the rear edge assist motor with SIM3-3. Check connection from the control PWB to the motor. Replace the control PWB.

Code: F1-30
Description: Finisher – saddle unit communication trouble
Causes: Connector and harness connection trouble. Finisher control PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness. Turn OFF/ON the power. Replace the finisher control PWB.

Code: F1-31
Description: Saddle paper folding trouble
Causes: Motor lock trouble. Control PWB trouble, home position sensor trouble. Connection harness/connector connection trouble.
Troubleshooting Guides: Check the operation of the saddle motor with SIM3-3. Check connection from the control PWB to the motor. Replace the control PWB. Replace the sensor.

Code: F1-32
Description: Finisher – Punch unit communication error
Causes: Connector/harness connection trouble or disconnection between the finisher and the punch unit. Finisher control PWB trouble. PCU PWB trouble. Malfunction due to noises. The punch unit is in the adjustment mode.
Troubleshooting Guides: Check the connector and the harness between the finisher and the punch unit. Replace the finisher control PWB. Replace the PCU PWB. Cancel the adjustment mode of the punch unit.

Code: F1-33
Description: Punch unit shift operation trouble
Causes: Punch shift motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble
Troubleshooting Guides: Use SIM3-3 to check the operation of the punch shifting. Replace the punch shift motor. Replace the finisher control PWB. Replace the home position sensor. Check connection of the connectors and the harness.

Code: F1-34
Description: Punch operation trouble
Causes: Punch motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Check the punch operation. Replace the punch motor. Replace the finisher control PWB. Replace the home position sensor. Check connection of the connectors and the harness.

Code: F1-36
Description: Punch paper edge detection error
Causes: Punch paper edge sensor trouble. Harness disconnection. Finisher control PWB trouble. Punch control PWB trouble.
Troubleshooting Guides: Use SIM3-2 to check the operation of the sensor. Replace the punch paper edge sensor. Replace the finisher control PWB. Replace the punch control PWB.

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: F1-38
Description: Punch data backup RAM error
Causes: Punch control PWB trouble. Malfunction due to noises
Troubleshooting Guides: Replace the punch control PWB. Set the punch unit specifications, and adjust the sensor. (Punch unit control PWB DIP SW adjustment.)

Code: F1-39
Description: Punch paper dust sensor error
Causes: Punch dust sensor trouble. Harness and connector connection trouble. Finisher control PWB trouble. Punch unit control PWB trouble.
Troubleshooting Guides: Use SIM3-2 to check the operation of the sensor. Check connection of the connectors and the harness. Replace the punch dust sensor. Replace the finisher control PWB. Replace the punch unit control PWB.

Code: F1-41
Description: Saddle paper positioning operation trouble
Causes: Saddle paper positioning guide drive motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle paper positioning motor. Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.

Code: F1-42
Description: Saddle guide motor trouble
Causes: Saddle roller guide motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle roller guide motor. Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.

Code: F1-43
Description: Saddle alignment operation trouble
Causes: Saddle alignment motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the Saddle alignment motor (FSPAM). Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.

Code: F1-44
Description: Saddle staple motor R trouble
Causes: Saddle staple motor R trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the Saddle staple motor R. Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.

Code: F1-45
Description: Saddle staple trouble
Causes: Saddle staple motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle staple motor. Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.

Code: F1-46
Description: Saddle pushing plate motor trouble
Causes: Saddle motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle motor. Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.

Code: F1-47
Description: Saddle paper transport motor trouble
Causes: Saddle paper transport motor trouble. Finisher control PWB trouble. Harness and connector connection trouble. Fuse blown (24V line).
Troubleshooting Guides: Use SIM3-3 to check the operation of the saddle paper transport motor. Check connection from the control PWB to the motor. Replace the control PWB. Replace the sensor.

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: F1-51
Description: Saddle sensor connection trouble
Causes: Firmware control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-2 to check the operations of the guide HP sensor and the push plate lead edge sensor. Check connection from the control PWB to the sensor. Replace the control PWB. Replace the sensor.

Code: F1-52
Description: Finisher micro switch trouble
Causes: Finisher control PWB trouble. Each micro switch trouble. Harness and connector connection trouble.
Troubleshooting Guides: Use SIM3-2 to check the operations of the front door/ upper door open detection and the oscillation guide close detection. Check connection from the control PWB to the sensor. Replace the control PWB. Replace the sensor.

Code: F2-22
Description: Discharge lamp trouble
Causes: Contact trouble between the discharge lamp PWB and the PCU PWB. Discharge lamp PWB trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the discharge lamp PWB. Check the harness and connector. Replace the PCU PWB.

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 harness and the connector. Replace the PCU PWB.

Code: F2-40
Description: Toner density sensor trouble.?
Causes: Toner density sensor output abnormality (Sample level 35 or less, or 220 or above) Connection trouble of the connector and the harness. Developing unit trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the toner density sensor. Check connection of the connector and the harness. Replace the developing unit. Replace the PCU PWB.

Code: F2-45
Description: Image density sensor troubles
Causes: Image density sensor trouble. Sensor harness and connector connection trouble. Image density sensor dirt. PCU PWB trouble.
Troubleshooting Guides: Replace the image density sensor . Check connection of the sensor harness and connector. Clean the image density sensor. Replace the PCU PWB.

Code: F2-50
Description: Drum phase sensor trouble
Causes: Drum phase sensor trouble. Drum phase sensor harness and connector connection trouble. Drum drive section trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the drum phase sensor. Check connection of the drum phase sensor harness and the connector. Repair the drum drive section. Replace the PCU PWB.

Code: F2-58
Description: Process humidity sensor trouble
Causes: Process humidity sensor trouble. Harness and connector connection trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the process humidity sensor. Check connection of the connectors and the harness. Replace the PCU PWB.

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

Code: F2-78
Description: Registration image density sensor trouble
Causes: Image density sensor trouble. Connection trouble of the harness between the PCU PWB and the image density sensor. Dirt on the image density sensor
Troubleshooting Guides: Check the sensor and the harness. Replace the registration image sensor. Replace the PCU PWB.

Code: F2-91
Description: High density process control high voltage error
Causes: Image density sensor trouble. Harness connection trouble between the PCU PWB and image density sensor. Dirt on the image density sensor. Developing tank abnormality.
Troubleshooting Guides: Use SIM44-2 to execute the gain adjustment of the process control sensor. Check the drum surface. Replace the developing tank.

Code: F3-12
Description: Paper feed tray 1 lift operation trouble
Causes: LUD1 is not turned ON within the specified time. CLUD1 sensor trouble Paper feed tray 1 lift unit trouble. PCU PWB trouble. Harness and connector connection trouble.
Troubleshooting Guides: Check connection of the harness and the connector of LUD1. Replace the lift-up unit. Replace the PCU PWB.

Code: F3-22
Description: Paper feed tray 2 lift operation trouble
Causes: LUD2 does not turn ON within the specified time. CLUD2 sensor trouble. Paper feed tray 2 lift unit trouble. PCU PWB trouble. Harness and connector connection trouble.
Troubleshooting Guides: Check the harness and the connector of LUD2. Replace the lift-up unit. Replace the PCU PWB.

Code: F6-00
Description: MFP-FAX communication trouble
Communication establishment error/Framing/Parity/ Protocol error
Causes: FAX unit PWB connector connection error FAX unit PWB – MFPcnt PWB harness trouble FAX unit PWB mother board connector pin breakage FAX unit ROM trouble/ROM pin breakage
Troubleshooting Guides: Check the connector connection between the FAX unit PWB and the MFPcnt PWB. Check the connector harness between the FAX unit PWB and the MFPcnt PWB. Check the machine grounding. Check the FAX unit PWB ROM.

Code: F6-01
Description: FAX board EEPROM read/write error
EEPROM access error (read/write)
Causes: EEPROM trouble FAX PWB EEPROM access circuit trouble
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. Replace the PWB. In this case, not need to execute the simulation.

Code: F6-04
Description: FAX MODEM operation trouble
FAX PWB MODEM chip operation trouble
Causes: FAX PWB MODEM chip operation trouble The FAX PWB MODEM chip cannot be accessed.
Troubleshooting Guides: Replace the FAX PWB MODEM chip. Replace the FAX PWB.

Code: F6-21
Description: Combination error between the TEL/LIU PWB and the FAX soft switch
Combination error between the TEL/LIU PWB and the FAX PWB information (soft switch)
Causes: The destination of the installed TEL/LIU PWB differs. The FAX PWB information (soft switch) differs. TEL/LIU PWB trouble
Troubleshooting Guides: Check the destination of the installed TEL/LIU PWB. Check the FAX PWB information (soft switch). Replace the TEL/LIU PWB.

Code: F6-30
Description: Access error to 1-chip microprocessor on the FAX board (FAX detection)
Access error (read/write) to 1-chip microprocessor on the FAX board
Causes: Program writing error (or no writing) to the 1-chip microprocessor. 1-chip microprocessor trouble. FAX PWB 1-chip microprocessor access circuit trouble.
Troubleshooting Guides: Use SIM66-24 to rewrite the 1-chip microprocessor program. Replace the 1-chip microprocessor chip. When replacing, use SIM66-42 to rewrite the 1-chip microprocessor program. Replace the FAX PWB.

Code: F6-97
Description: The FAX PWB does not match with the machine model.
The FAX PWB identification model does not match with the machine model
Causes: An improper type of FAX PWB is installed to the machine.
Troubleshooting Guides: Replace the FAX PWB with a proper one.

Code: F6-98
Description: Combination error between the FAXBOX destination information and the machine destination information.
Combination error between the FAX PWB destination information and the machine destination information.
Causes: Combination error between the destination information written in EEPROM on the FAX PWB and the destination information of the machine (set with SIM26-6).
Troubleshooting Guides: 1) Check the destination of the FAX PWB. 2) Check the destination of the machine. (SIM26-6) 3) Use a proper combination of the machine and the FAX PWB.

Code: F9-91
Description: Communication error between MFP and the Printer section when booting
Causes: MFP section PWB trouble. Printer section PWB trouble Printer flash ROM trouble. MFP PWB-printer section PWB connection trouble.
Troubleshooting Guides: Replace the MFP PWB. Replace the printer flash ROM. Check connection between the MFP PWB and the printer section PWB

Code: F9-92
Description: Printer (section) PWB hardware error
Causes: MFP PWB trouble.
Troubleshooting Guides: Replace the MFP PWB.

Code: H2-00
Description: Thermistor open trouble (TH_UM)
Causes: Thermistor trouble. PCU PWB trouble Connection trouble of the connector and the harness. Fusing unit not installed.
Troubleshooting Guides: Replace the thermistor. Replace the PCU PWB. Check connection of the connector and the harness.

Code: H2-01
Description: Thermistor open trouble (TH_LM)
Causes: 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 harness. Check the connector in the fusing section.

Code: H2-02
Description: Thermistor open trouble (TH_US)
Causes: Thermistor trouble. PCU PWB trouble. Connection trouble of the connector and the harness. Fusing unit not installed.
Troubleshooting Guides: Replace the thermistor. Replace the PCU PWB. Check connection of the connector and the harness.

Code: H3-00
Description: Fusing section high temperature trouble (TH_UM)
Causes: The fusing temperature exceeds the specified level. Thermistor trouble. PCU PWB trouble Connection trouble of the fusing section connector and the harness. HL PWB trouble.
Troubleshooting Guides: 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 connector and the harness. Replace the HL PWB.

Code: H3-01
Description: Fusing section high temperature trouble (TH_LM)
Causes: The fusing temperature exceeds the specified level. Thermistor trouble. PCU PWB trouble Thermistor connector and harness connection trouble. HL control PWB trouble.
Troubleshooting Guides: 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 connector and the harness. Replace the HL PWB.

Code: H3-02
Description: Fusing section high temperature trouble (TH_US)
Causes: The fusing temperature exceeds the specified level. Thermistor trouble. PCU PWB trouble. HL PWB trouble. Fusing section connector connection trouble. HL PWB trouble.
Troubleshooting Guides: Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Check connection of the thermistor and the harness. Check the PCU PWB thermistor input circuit section. (When the lamp is ON:) Check the HL PWB and the PCU PWB lamp circuit. Replace the thermistor, the HL PWB, and the PCU PWB.

Code: H4-00
Description: Fusing section low temperature trouble (TH_UM)
Causes: The fusing temperature does not reach the specified level within the specified time from turning ON the power relay. Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. HL PWB trouble. Interlock switch trouble.
Troubleshooting Guides: 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 PWB. Replace the interlock switch. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble.

Code: H4-02
Description: Fusing section low temperature trouble (TH_US)
Causes: The fusing temperature does not reach the specified level within the specified time from turning ON the power relay. Thermistor trouble. Heater lamp trouble. PCU PWB trouble Thermostat trouble. Connector, harness connection trouble. HL PWB trouble. Interlock switch trouble.
Troubleshooting Guides: 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 PWB. Replace the interlock switch. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble.

Code: H5-01
Description: 5 times continuous POD1 not-reach jam
Causes: A fusing jam is not canceled completely. (A jam paper remains.) POD1 sensor trouble. Fusing unit installation trouble. Connector, harness connection trouble. PCU PWB trouble
Troubleshooting Guides: Replace the POD1 sensor. Check the installing position of the fusing unit. Replace the fusing unit. Check connection of the connector and the harness. Replace the PCU PWB. Use SIM14 to cancel the trouble.

Code: H7-10
Description: Recovery error from low fuser temp. (TH_UM)
Causes: The fusing temperature does not reach the specified level within the specified time from stopping a job due to fall in the fusing temperature. Thermistor trouble. Heater lamp trouble. PCU PWB trouble Thermostat trouble. Connector, harness connection trouble. HL PWB trouble.
Troubleshooting Guides: 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 PWB. Use SIM5-2 to check the flashing operation of the heater lamp.

Code: L1-00
Description: Scanner feed trouble
Causes: Scanner feed is not completed within the specified time. 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 return is not completed within the specified time. 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: L4-02
Description: Paper feed motor trouble
Causes: A lock signal is detected during ON period of the paper feed motor in warming up or canceling a jam. Paper feed motor trouble. Harness and connector connection trouble. PCU PWB trouble
Troubleshooting Guides: Use SIM6-1 to check the operation of the paper feed motor. Replace the paper feed motor. Check connection of the connectors and the harness. Replace the PCU PWB.

Code: L4-03
Description: Fusing motor trouble
Causes: The motor lock signal is detected during rotation of the fusing motor. Fusing motor trouble. Connection trouble of the connector and the harness. PCU PWB trouble.
Troubleshooting Guides: Use SIM6-1 to check the operation of the fusing motor. Replace the Fusing motor. Check connection of the connectors and the harness. Replace the PCU PWB.

Code: L4-04
Description: Drum motor trouble
Causes: The motor lock signal is detected during rotation of the drum motor. Drum motor trouble. Drum unit trouble. Harness and connector connection trouble. PCU PWB trouble Developing unit trouble.
Troubleshooting Guides: Use SIM25-1 to check the operation of the drum motor. Replace the drum motor. Check connection of the connectors and the harness. Replace the PCU PWB. Replace the drum unit. Replace the developing unit.

Code: L4-11
Description: Shift motor trouble
Causes: No change in the shifter home position sensor signal is detected in the operation of the shifter initializing. 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: L4-31
Description: Paper exit cooling fan (POFM1) trouble
Causes: The fan operation signal is not detected within the specified time in the paper exit cooling fan operation. Paper exit 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 paper exit cooling fan. Replace the PCU PWB.

Code: L4-32
Description: Power source cooling fan (PSFM1) trouble
Causes: The fan operation signal is not detected within the specified time in the power cooling fan operation. Power cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM6-2 to check the operation of the fan motor. Replace the power cooling fan. Replace the PCU PWB. Check/replace the connector or the harness.

Code: L4-34
Description: LSU cooling fan (LSUCFM) trouble
Causes: When the LSU cooling fan is operated, the fan operation signal is not detected within the specified time. LSU cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM6-2 to check the operation of the fan motor. Replace the LSU cooling fan. Replace the PCU PWB. Replace the LSU control PWB. Check connection of the connector and the harness.

Code: L4-35
Description: Paper exit cooling fan (POFM2) trouble
Causes: Paper exit cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM6-2 to check the operation of the fan motor. Replace the paper exit cooling fan. Replace the PCU PWB. Check connection of the connector and the harness.

Code: L4-40
Description: Ozone fan (OZFM1) 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 (POFM3) trouble
Causes: The fan operation signal is not detected within the specified time in the paper exit cooling fan operation. Paper exit cooling fan trouble. PCU PWB trouble Connection trouble of the connector and the harness.
Troubleshooting Guides: Check connection of the connector and the harness. Use SIM6-2 to check the operation of the fan motor. Replace the paper exit cooling fan. Replace the PCU PWB.

Code: L4-44
Description: Power source cooling fan (PSFM2) 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. Check the harness and the connector between the PCU PWB and the fan motor.. Replace the fan motor / the PCU PWB.

Code: L4-50
Description: Process cooling fan (PROFM1) 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. Check the harness and the connector between the PCU PWB and the fan motor.. Replace the fan motor / the PCU PWB.

Code: L6-10
Description: Polygon motor trouble
Causes: The motor does not reach the specified rpm in 8 sec after starting rotation of the polygon motor. Polygon motor trouble. LSU control 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 polygon motor. Replace the LSU. Replace the LSU control PWB.

Code: L8-01
Description: Full wave signal detection error
Causes: No full wave signal is detected. PCU PWB trouble Power unit trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Replace the PCU PWB. Replace the power unit. Check connection of the connector and the harness.

Code: L8-02
Description: Full wave signal error
Causes: An abnormality in the full wave signal frequency is detected. (The frequency is detected as 65Hz or above, or 45Hz or less.) PCU PWB trouble. Power unit trouble. Connection trouble of the connector and the harness. Power frequency, waveform abnormality.
Troubleshooting Guides: Replace the PCU PWB. Replace the power unit. Check connection of the connector and the harness. Check the power waveform.

Code: L8-20
Description: Communication error of MFP PWB/ Mother board
Causes: Mother board PWB – MFP PWB connection trouble. MFP PWB trouble. Mother trouble.
Troubleshooting Guides: Check connection between the mother board and the MFP PWB. Check the ground of the main unit. Replace the MFPC PWB. Replace the mother board.

Code: P1-00
Description: PCI Communication error
Causes: Communication error between the MFP PWB and the PCI. Connection failure of connectors and harness between the MFP PWB and the PCI. MFP PWB trouble. PCI control PWB trouble.
Troubleshooting Guides: Check connection of the harness and connectors between the MFO PWB and the PCI. Check the MFP PWB and replace if necessary. Check the PCI control PWB and replace if necessary

Code: P1-01
Description: PCI fan error
Causes: The PCI fan operation signal is not deleted. 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 Replace the PCI fan.

Code: P1-02
Description: Plasma generating device error
Causes: Connection failure of connectors and garness 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 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.?
Troubleshooting Guides: Check connection of the connectors and the harness. Replace the SCU PWB.

Code: U1-01
Description: Battery trouble
Causes: Battery life Battery circuit abnormality
Troubleshooting Guides: Check to confirm that the battery voltage is about 2.0V or above.

Code: U2-00
Description: MFP EEPROM read/write error
Causes: MFP PWB EEPROM trouble. EEPROM socket contact trouble. MFP PWB trouble. Strong external noises.
Troubleshooting Guides: Replace the MFP PWB EEPROM. Replace the MFP PWB. Check the power environment.

Code: U2-05
Description: HDD/MFP PWB SRAM contents inconsistency
Causes: The HDD or the MFP PWB which differs from that before turning OFF the power is installed. HDD trouble. MFP PWB trouble.
Troubleshooting Guides: Use SIM16 to cancel the error. If there is backup data (export data by device cloning), import it.

Code: U2-11
Description: MFP PWB EEPROM counter check sum error
Causes: MFP PWB EEPROM trouble. EEPROM socket contact trouble. MFP PWB trouble. Strong external noises.
Troubleshooting Guides: Use SIM16 to cancel the error. Replace the MFP PWB.

Code: U2-30
Description: MFP PWB and PCU PWB manufacturing No. data inconsistency
Causes: Inconsistency between the manufacturing No. saved in the PCU PWB and that in the MFP PWB. When replacing the PCU PWB or the MFP PWB, the EEPROM which was mounted on the PWB before replacement is not mounted on the new PWB. MFP 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 MFP PWB. Replace the PCU PWB.

Code: U2-40
Description: SD card system storage data area error
Causes: File error occurs in the SD card system storage data partition. SD card trouble. MFP 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 MFP PWB and replace if necessary. Check the SD card and replace if necessary.

Code: U2-41
Description: HDD system storage data area error
Causes: File error occurs in the HDD system saved data area disabling backup of the saved file of the machine adjustment value in the SD card. HDD trouble. MFP PWB trouble.
Troubleshooting Guides: Check the HDD, and replace if necessary. Check the MFP PWB, and replace if necessary. When replacing the HDD and MFP PWB, refer to the chapter of “necessary procedures of HDD and MFP 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 HDD system saved data area are corrupted. HDD trouble. MFP PWB trouble. SD card trouble.
Troubleshooting Guides: Check the HDD, and replace if necessary. Check the MFP PWB, and replace if necessary. Check the SD card, and replace if necessary. Use SIM to adjust the machine again and set the adjustment values.

Code: U2-50
Description: HDD user authentication data check sum error
Causes: HDD trouble. MFP PWB trouble. Strong external noises
Troubleshooting Guides: Check the data related to the check sum error (address book, image send system registration data) Use SIM16 to cancel U2 trouble. Replace the HDD. Replace the MFP PWB.

Code: U2-60
Description: Water Mark check error
Causes: Watermark data trouble
Troubleshooting Guides: Use SIM49-5 to upload the watermark data.

Code: U2-80
Description: SCU PWB EEPROM read/write error
Causes: SCU PWB EEPROM trouble. SCU PWB trouble. EEPROM socket contact trouble.
Troubleshooting Guides: Replace the SCU PWB EEPROM. Replace the SCU PWB. Check contact of the EEPROM socket. Put down the counter/adjustment values in the simulation to prevent against loss of the counter data and the adjustment values. Use SIM16 to cancel the trouble.

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. Put down the counter/adjustment values in the simulation to prevent against loss of the counter data and the adjustment values. Use SIM16 to cancel the trouble.

Code: U2-90
Description: PCU PWB EEPROM read/write error
Causes: PCU PWB EEPROM trouble. Installation of non-initialized EEPROM. PCU PWB trouble EEPROM socket contact trouble.
Troubleshooting Guides: Replace the PCU PWB EEPROM. Replace the PCU PWB. Check contact of the EEPROM socket. Put down the counter/adjustment values in the simulation to prevent against loss of the counter data and the adjustment values. Use SIM16 to cancel the trouble.

Code: U2-91
Description: PCU PWB EEPROM check sum error
Causes: PCU PWB EEPROM trouble. Installation of non-initialized EEPROM. PCU PWB trouble EEPROM socket contact trouble.
Troubleshooting Guides: Replace the PCU PWB EEPROM. Replace the PCU PWB. Check contact of the EEPROM socket. Put down the counter/adjustment values in the simulation to prevent against loss of the counter data and the adjustment values. Use SIM16 to cancel the trouble.

Code: U5-00
Description: Document feed unit communication error
Causes: Connector, harness connection trouble. SCU PWB trouble. DSPF PWB trouble.
Troubleshooting Guides: Turn OFF/ON the power. Check connection of the connector and the harness. Replace the SCU PWB. Replace the DSPF PWB.

Code: U5-16
Description: Document feed unit fan (SPFFAN) trouble
Causes: Fan motor trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM2-3 to check the operation. Check the DSPF PWB and the driver PWB connection of the connector and the harness.

Code: U5-30
Description: Document feed unit tray lift up trouble
Causes: STUD does not turn ON 5 times continuously within the specified time. STUD/STLD sensor trouble. Connection trouble of the connector and harness. DSPF PWB trouble.
Troubleshooting Guides: Replace the STUD/STLD sensor. Check connection of the connector and the harness. Replace the DSPF PWB.

Code: U5-31
Description: Document feed unit tray lift down trouble
Causes: STLD does not turn OFF within the specified time. STUD/STLD sensor trouble. Connection trouble of the connector and the harness. DSPF PWB trouble.
Troubleshooting Guides: Replace the STUD/STLD sensor. Check connection of the connector and the harness. Replace the DSPF PWB.

Code: U6-00
Description: Communication error of PCU PWB/ Desk paper feed unit
Causes: Error when testing the communication line after turning ON the power or canceling the simulation. Connector, harness connection trouble. Desk control PWB trouble. PCU PWB trouble Strong external noises.
Troubleshooting Guides: Turn OFF/ON the power to cancel. Check the connector and the harness in the communication line. Replace the desk control PWB. Replace the PCU PWB.

Code: U6-01
Description: Desk paper feed tray 1 lift trouble
Causes: DLUD1 does not turn ON within the specified time when lift-up operation. DLUD1 sensor trouble. Desk control PWB trouble. Lift unit trouble. Connection trouble of the connector and the harness. PCU PWB trouble
Troubleshooting Guides: Replace the DLDU1 sensor. Replace the desk control PWB. Replace the lift unit. Check connection of the connector and the harness. Replace the PCU PWB.

Code: U6-02
Description: Desk paper feed tray 2 lift trouble
Causes: DLUD2 does not turn ON within the specified time when lift-up operation. DLUD2 sensor trouble. Desk control PWB trouble. Lift unit trouble. Connection trouble of the connector and the harness. PCU PWB trouble
Troubleshooting Guides: Replace the DLDU2 sensor. Replace the desk control PWB. Replace the lift unit. Check connection of the connector and the harness. Replace the PCU PWB.

Code: U6-09
Description: LCC lift trouble
Causes: No change in the lift motor rotation sensor signal is detected within the specified time after outputting the lift motor ON signal. The lift motor rotation sensor signal varies though the lift motor is stopped. Lift motor rotation sensor trouble. LCC control PWB trouble Lift mechanism trouble. Lift motor trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM4-2 and 4-3 to check the operation of the sensor and the lift motor. Replace the lift motor rotation sensor. Replace the LCC control PWB. Replace the lift mechanism. Replace the lift motor. Check connection of the connector and the harness. Use SIM15 to cancel the trouble.

Code: U6-10
Description: Desk paper feed unit paper transport motor trouble
Causes: Desk paper feed motor trouble (motor lock, motor rpm abnormality, over-current to the motor). Desk control PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM4-3 to check the operation of the desk transport motor. Replace the desk control PWB. Replace the desk paper feed motor. Check connection of the connector and the harness.

Code: U6-20
Description: PCU PWB – LCC communication error
Causes: Error when testing the communication line after turning ON the power or canceling the simulation. LCC control PWB trouble. PCU PWB trouble. Connector, harness connection trouble. Strong external noises. Improper combination between the main unit and the LCC.
Troubleshooting Guides: Cancel the error by turning OFF/ON the power. Check the connector and the harness in the communication line. Replace the LCC control PWB. Replace the PCU PWB.

Code: U6-21
Description: LCC paper transport motor trouble
Causes: No change in the paper transport motor rotation sensor signal is detected within the specified time after outputting the paper transport motor ON signal. The paper transport motor rotation sensor signal varies though the paper transport motor is stopped. Paper transport motor rotation sensor trouble. LCC control PWB trouble. Mechanism trouble. Paper transport motor trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM4-3 to check the operation of the paper transport motor. Replace the paper transport motor. Replace the LCC control PWB. Replace the mechanism. Replace the paper transport motor. Check connection of the connector and the harness.

Code: U6-22
Description: LCC 24V power trouble
Causes: The DC24V power is not supplied from the main unit to the LCC. Connector, harness connection trouble. LCC control PWB trouble. Power source unit trouble.
Troubleshooting Guides: Check the connector and the harness in the power line. Replace the power unit. Replace the LCC control PWB.

Code: U6-50
Description: Desk – Main unit combination trouble
Causes: Improper combination between the main unit and the desk. Desk control PWB trouble.
Troubleshooting Guides: Install a desk which is proper for the main unit mode. Replace the desk control PWB.

Code: U6-51
Description: LCC – Main unit combination trouble
Causes: Improper combination between the main unit and the LCC. LCC control PWB trouble
Troubleshooting Guides: Install a LCC which is proper for the main unit mode. Replace the LCC control PWB.

Code: U6-52
Description: PCU – Paper feed desk communication trouble.
Causes: Connection failure between the machine and the paper feed tray 2 (desk unit). PCU PWB trouble.
Troubleshooting Guides: Check connection of the connector and the harness. Replace the PCU PWB.

Code: U7-50
Description: MFP PWB – Vendor machine communication error
Causes: Improper setting of the vendor machine specifications (SIMI26-3). Vendor machine trouble. MFP 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 MFP 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: U9-01
Description: Touch panel trouble
Causes: SCU PWB trouble. Connector and harness related with the touch panel connection trouble.
Troubleshooting Guides: Replace the SCU PWB. Check the connector and the harness related with the touch panel in the communication line.

Code: UC-02
Description: IPD/DOCC ASIC IPD section error
Causes: SCU PWB trouble (IPD/DOCC ASIC trouble).
Troubleshooting Guides: Replace the SCU PWB.

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

Epson L4150 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 L4150 Adjustment Program or add to exclusion folder
– Limitation: Unlimited using on only 1 Computer.
– Epson L4150 AdjProg or Epson L4150 Adjustment Program or Epson L4150 Adj Program, is a middleware developed by third-party software to supply for Epson L4150 printer, making printer continuous printing without error.

– Epson L4150 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 L4150 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 L4150 Adjustment Program

– Choose printer model and usb connection

– Choose Particular Adjustment Mode

Using Epson L4150 Adjustment Program Step 2

– Choose Waste Ink Pad Counter

Using Epson L4150 Adjustment Program Step 4

– Read Waste Ink Pad Counter

Using Epson L4150 Adjustment Program Step 5

– Reset Waste Ink Pad Counter

Using Epson L4150 Adjustment Program Step 6

Active Epson L4150 Adjustment Program

– Run Adjprog.exe, Copy L4150 Hardware ID, send it to admin email : [email protected] to get serial key and then active Epson L4150 Adjustment Program.