Sharp MX4101N with list Error Codes and Epson L395 Adjustment Program

Sharp MX4101N Printer with list Error Codes and Epson L395 Adjustment Program

– Printer model: Sharp MX4101N
– Error codes on Sharp MX4101N 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. ROM trouble.

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. ROM trouble.

Code: A0-04
Description: ACU ROM error
Causes: The firmware update is failed because of turning OFF the power during the firmware update operation, etc.
Troubleshooting Guides: Use SIM49-1 to execute update of the firmware.

Code: A0-10
Description: MFP PWB ROM error
Causes: Firmware combination error between the MFP and the image ROM (color correction ROM).
Troubleshooting Guides: Upgrade the firmware versions of the MFP and the image ROM (color correction ROM).

Code: A0-11
Description: Firmware version inconsistency (MFP – PCU)
Causes: Firmware combination error between the MFP and the PCU.
Troubleshooting Guides: Check the combination between the MFP and the PCU.

Code: A0-12
Description: Firmware version inconsistency (MFP – SCU)
Causes: Firmware combination error between the MFP and the SCU.
Troubleshooting Guides: Check the combination between the MFP and the SCU.

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

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

Code: A0-22
Description: SCU firmware version and EEPROM data version inconsistency
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 (BK)
Causes: The main charger unit (BK) is not installed properly. There is an abnormality in the main charger unit. Disconnection of the high voltage PWB connector. Breakage of the high voltage harness. MC/DV 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 PWB. Replace the PCU PWB.

Code: C1-14
Description: Main charger trouble (Color)
Causes: The main charger unit (CMY) is not installed properly. There is an abnormality in the main charger. Disconnection of the high voltage PWB connector. Breakage of the high voltage harness. MC/DV 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 PWB. Replace the PCU PWB.

Code: C4-00
Description: PTC trouble
Causes: The PTC unit is not properly installed. PTC unit trouble. Secondary transfer PWB trouble. PCU PWB trouble. Connector, harness connection trouble.
Troubleshooting Guides: Replace the PTC unit. Replace the secondary transfer PWB. Replace the PCU PWB. Check connection of the connector and the harness. NOTE: When the PTC unit is broken down and repair cannot be made because of no replacement part: To use the machine continuously, make the setting to ignore the PTC trouble, and the machine can be operated tentatively. Set the engine soft SW8-3 in SIM55-1 to ‘1’. This setting disables the PTC output, the heater control, and the error detection. After completion of repair, set the engine soft SW8-3 in SIM55-1 to ‘0’.

Code: C4-02
Description: PTC heater open trouble
Causes: The PTU unit is not installed, or the eater line conduction trouble. PCU PWB trouble. Connector, harness connection trouble.
Troubleshooting Guides: Replace the PTC unit. Replace the PCU PWB. Check connection of the connector and the harness. NOTE: When the PTC unit is broken down and repair cannot be made because of no replacement part: To use the machine continuously, make the setting to ignore the PTC trouble, and the machine can be operated tentatively. Set the engine soft SW8-3 in SIM55-1 to ‘1’. This setting disables the PTC output, the heater control, and the error detection. After completion of repair, set the engine soft SW8-3 in SIM55-1 to ‘0’.

Code: C4-03
Description: PTC heater short trouble
Causes: PTC unit trouble. PCU PWB trouble. Connector, harness connection trouble.
Troubleshooting Guides: Replace the PTC unit. Replace the PCU PWB. Check connection of the connector and the harness. NOTE: When the PTC unit is broken down and repair cannot be made because of no replacement part: To use the machine continuously, make the setting to ignore the PTC trouble, and the machine can be operated tentatively. Set the engine soft SW8-3 in SIM55-1 to ‘1’. This setting disables the PTC output, the heater control, and the error detection. After completion of repair, set the engine soft SW8-3 in SIM55-1 to ‘0’.

Code: C4-10
Description: PTC no control
Causes: The engine soft SW8-3 in SIM55-1 is set to ‘1’. The PTC control is not executed. (The PTC does not operate.) When the engine soft SW8-3 in SIM55-1 is set to ‘1’, the PTC output, the heater control, and the error detection are disabled. When this setting is made in case of a PTC unit trouble, the PTC function is disabled regardless of the PTC trouble and printing operation can be performed.
Troubleshooting Guides: Set the engine soft SW8-3 in SIM55-1 to ‘0’. (The mode returns to the normal PTC control mode.)

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. Check 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 mirror, the lens, or the reference white plate. CCD unit trouble. DSPF PWB trouble. Shading SIM not executed / Shading ROM abnormality.
Troubleshooting Guides: Check the installing state of the harness the CCD unit. Check the installing state of the harness to the copy lamp unit. Clean the mirror, the lens, or the reference white plate. Check the CCD unit. Check the DSPF PWB.

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

– Sharp MX4101N printer Error Codes and quick guide on repairing:

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: E7-03
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: E7-05
Description: Standard memory/expansion memory read/write error (MFP PWB)
Memory access is disabled.
Causes: Improper insertion of the memory. Garbled memory data. The memory capacity is not the specified level.
Troubleshooting Guides: Check insertion of the memory. Use SIM60-1 to check the read/write operations of the memory. Replace the expansion memory. Replace the MFP PWB.

Code: E7-06
Description: Image data decode error
Causes: Compressed image data abnormality. HDD connection trouble when HDD is installed. Image data compression/transfer data garble. MFP PWB trouble.
Troubleshooting Guides: If the job at an occurrence of an error is a FAX job, check the FAX PWB. Check connection of the MFPC PWB and the HDD. Replace the MFPC PWB.

Code: E7-08
Description: MFP memory compatibility error (MFP PWB)
Causes: A DIMM of different specifications is installed to the MFP memory slot. (Support memory: ROW=13bit, Column=10bit) DIMM trouble.
Troubleshooting Guides: Check the installed DIMM. Replace the DIMM.

Code: E7-09
Description: Standard memory size/ Expansion memory size error (MFP PWB)
Causes: A DIMM which is not 1GB is inserted into the default slot. DIMM trouble. Insufficient memory size.
Troubleshooting Guides: Replace the DIMM.

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. 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. Check 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 (K)
Causes: Reduced laser power, lighting error, laser diode trouble. BD PWB trouble. Harness and connector trouble between the LD/BD PWB and the LSU cnt 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 detection error (C)
Causes: Reduced laser power, lighting error, laser diode trouble. Harness and connector trouble between the LD PWB and the LSU cnt 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: E7-22
Description: LSU laser detection error (M)
Causes: Reduced laser power, lighting error, laser diode trouble. Harness and connector trouble between the LD PWB and the LSU cnt 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: E7-23
Description: LSU laser detection error (Y)
Causes: Reduced laser power, lighting error, laser diode trouble. Harness and connector trouble between the LD PWB and the LSU cnt 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: E7-28
Description: LSU-PCU connection error
Causes: Communication error between the CPU in the PCU PWB and the control ASIC. Improper connection of the communication connector between the PCU PWB and the LSU cnt PWB (interface PWB). Harness trouble between the PCU PWB and the LSU cnt PWB (interface PWB) PCU PWB or LSU cnt PWB (interface PWB) trouble
Troubleshooting Guides: Check connection of the connector and the harness between the PCU PWB and the LSU cnt PWB (interface PWB). Replace the LSU cnt 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 cnt PWB.

Code: E7-42
Description: Data error (ACRE ASIC)
Causes: Image transfer trouble.
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)
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: E7-48
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)
PCU EEPROM PWB information sum error
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. Replace the mother board.
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: E7-90
Description: MFP – PCU PWB communication error
Causes: PCU PWB connector connection trouble. PCU PWB – MFP PWB connection trouble. PCU PWB motherboard connection trouble. PCU PWB trouble. MFP PWB trouble. Replace the mother board.
Troubleshooting Guides: Check connection of the PCU PWB, the MFP PWB, and the mother board. Check the ground. Replace the PCU PWB. Replace the MFP PWB. Replace the mother board.

Code: EE-EC
Description: Automatic toner density adjustment error (Sampling level 76 – 117/ 139 – 178)
The sampling level in the automatic toner density adjustment is outside of 128.
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 (Overtoner)
The sampling level in the automatic toner density adjustment is 76 or less or the control voltage is 208 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 (Undertoner)
The sampling level in the automatic toner density adjustment is 178 or above or the control voltage is 51 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
Lift motor 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. Overcurrent 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. Overcurrent 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: F1-31
Description: Saddle paper folding trouble
Causes: Saddle paper folding motor trouble. Saddle paper folding mechanism trouble. Finisher control PWB trouble. Home position sensor 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
Abnormality in the folding positioning guide motor in the saddle section.
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: F1-43
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: F1-45
Description: Saddle staple trouble
Abnormality of the staple unit drive motor in the saddle section.
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: F1-47
Description: Saddle paper transport motor trouble
Abnormality in the drive roller oscillation motor in the finisher saddle transport section.
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: F2-22
Description: Discharge lamp trouble (K)
A trouble is detected when the discharge lamp open sensor is open for 1 sec after turning ON the discharge lamp.
Causes: Contact trouble between the discharge lamp PWB (K) and the PCU PWB. Discharge lamp PWB (K) trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the discharge lamp PWB (K). Check the harness and the connector. Replace the PCU PWB.

Code: F2-23
Description: Discharge lamp trouble (C)
A trouble is detected when the discharge lamp open sensor is open for 1 sec after turning ON the discharge lamp.
Causes: Contact trouble between the discharge lamp PWB (C) and the PCU PWB. Discharge lamp PWB (C) trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the discharge lamp PWB (C). Check the harness and the connector. Replace the PCU PWB.

Code: F2-24
Description: Discharge lamp trouble (M)
A trouble is detected when the discharge lamp open sensor is open for 1 sec after turning ON the discharge lamp.
Causes: Contact trouble between the discharge lamp PWB (M) and the PCU PWB. Discharge lamp PWB (M) trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the discharge lamp PWB (M). Check the harness and the connector. Replace the PCU PWB.

Code: F2-25
Description: Discharge lamp trouble (Y)
A trouble is detected when the discharge lamp open sensor is open for 1 sec after turning ON the discharge lamp.
Causes: Contact trouble between the discharge lamp PWB (Y) and the PCU PWB. Discharge lamp PWB (Y) trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the discharge lamp PWB (Y). Check the harness and the connector. Replace the PCU PWB.

Code: F2-39
Description: Process thermister trouble
Causes: Process thermister trouble. Process thermister 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 (BLACK)
Causes: Toner density sensor output abnormality (Sample level 25 or less, or 231 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: F2-41
Description: Toner density sensor trouble (CYAN)
Causes: Toner density sensor output abnormality (Sample level 25 or less, or 231 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: F2-42
Description: Toner density sensor trouble (MAGENTA)
Causes: Toner density sensor output abnormality (Sample level 25 or less, or 231 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: F2-43
Description: Toner density sensor trouble (YELLOW)
Causes: Toner density sensor output abnormality (Sample level 25 or less, or 231 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: Color image density sensor trouble
Causes: Color image density sensor sensitivity adjustment trouble. Color image density sensor trouble. Harness and connector connection trouble. Image density sensor dirt. Calibration plate dirt. Calibration plate solenoid trouble. PCU PWB trouble.
Troubleshooting Guides: Replace the color image density sensor. Check connection of the connectors and the harness. Clean the image density sensor. Replace the calibration plate. Replace the calibration plate solenoid. Replace the PCU PWB. Use SIM44-2 to adjust the process control sensor sensitivity.

Code: F2-49
Description: LSU thermister trouble
Causes: The LSU detection temperature is outside of -28C – 78C. LSU thermister trouble. Harness and connector connection trouble. PCU PWB trouble LSU control PWB trouble.
Troubleshooting Guides: Replace the LSU thermistor. Check connection of the connectors and the harness. Replace the PCU PWB. Replace the LSU control PWB. Replace the LSU.

Code: F2-50
Description: K drum phase sensor trouble
Causes: Drum phase sensor trouble. Harness and connector connection trouble. Drum drive section trouble. PCU PWB trouble
Troubleshooting Guides: Use SIM30-1 to check the operation of ‘DHPD_K.’. Replace the drum phase sensor. Check connection of the connectors and the harness. Repair the drum drive section. Replace the PCU PWB.

Code: F2-51
Description: CL drum phase sensor trouble (41-sheet machine) CL drum phase sensor trouble (CYAN) (50-sheet machine)
Causes: Drum phase sensor trouble. Harness and connector connection trouble. Drum drive section trouble.
PCU PWB trouble.
Troubleshooting Guides: Use SIM30-1 to check the operation of ‘DHPD_CL’. Replace the drum phase sensor. Check connection of the connectors and the harness. Repair the drum drive section. Replace the PCU PWB.

Code: F2-52
Description: CL drum phase sensor trouble (MAGENTA) (50-sheet machine)
Causes: Drum phase sensor trouble. Harness and connector connection trouble. Drum drive section trouble. PCU PWB trouble.
Troubleshooting Guides: Use SIM30-1 to check the operation of ‘DHPD_CL’. Replace the drum phase sensor. Check connection of the connectors and the harness. Repair the drum drive section. Replace the PCU PWB.

Code: F2-53
Description: CL drum phase sensor trouble (YELLOW) (50-sheet machine)
Causes: Drum phase sensor trouble. Harness and connector connection trouble. Drum drive section trouble. PCU PWB trouble.
Troubleshooting Guides: Use SIM30-1 to check the operation of ‘DHPD_CL’. Replace the drum phase sensor. Check connection of the connectors and the harness. 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 (BK)
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/harness trouble. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit.

Code: F2-65
Description: Toner supply operation trouble (C)
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/harness trouble. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit.

Code: F2-66
Description: Toner supply operation trouble (M)
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/harness trouble. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit.

Code: F2-67
Description: Toner supply operation trouble (Y)
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/harness trouble. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit.

Code: F2-70
Description: Improper toner cartridge detection (BLACK)
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: F2-71
Description: Improper toner cartridge detection (CYAN)
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: F2-72
Description: Improper toner cartridge detection (MAGENTA)
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: F2-73
Description: Improper toner cartridge detection (YELLOW)
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: CRUM error (BLACK)
Causes: Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector/harness trouble.
Troubleshooting Guides: Replace the toner cartridge. Replace the PCU PWB. Connector/harness trouble.

Code: F2-75
Description: CRUM error (CYAN)
Causes: Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector/harness trouble.
Troubleshooting Guides: Replace the toner cartridge. Replace the PCU PWB. Connector/harness trouble.

Code: F2-76
Description: CRUM error (MAGENTA)
Causes: Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector/harness trouble.
Troubleshooting Guides: Replace the toner cartridge. Replace the PCU PWB. Connector/harness trouble.

Code: F2-77
Description: CRUM error (YELLOW)
Causes: Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector/harness trouble.
Troubleshooting Guides: Replace the toner cartridge. Replace the PCU PWB. Connector/harness trouble.

Code: F2-78
Description: Registration image density sensor trouble (Transfer belt substrate reflection rate abnormality)
Causes: Image density (registration) sensor trouble (Sensor sensitivity adjustment trouble). PCU PWB trouble. Connection trouble of the connector and the harness. Image density (registration) sensor dirt. Transfer belt dirt, scratch.
Troubleshooting Guides: Replace the image density (registration) sensor. Replace the PCU PWB. Check connection of the connector and the harness. Clean the image density (registration) sensor. Clean or replace the transfer belt.

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
LUD2 does not turn ON within the specified time
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: H2-00
Description: Thermister open trouble (TH_UM_AD2)
Causes: Thermister 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: Thermister open trouble (TH_LM)
Causes: Thermister 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: H2-02
Description: Sub thermister open trouble (TH_US)
Causes: Thermister 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: H2-03
Description: Compensation thermister open trouble (TH_UM_AD1)
Causes: Thermister 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: H2-04
Description: External heating thermistor open (TH_EX1)
Causes: Thermistor trouble. PCU PWB trouble. Fusing section connector connection trouble. Power unit trouble.
Troubleshooting Guides: Check the connector and the harness between the thermistor and the PCU PWB. Replace the thermistor. Replace the power unit.

Code: H2-05
Description: External heating thermistor open (TH_EX2)
Causes: Thermistor trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
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. Thermister trouble. PCU PWB trouble Connection trouble of the connector and the harness. Power unit 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 power unit.

Code: H3-01
Description: Fusing section high temperature trouble (TH_LM)
Causes: The fusing temperature exceeds the specified level. Thermister trouble. PCU PWB trouble.Harness and connector connection trouble. Power unit 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 power unit.

Code: H3-02
Description: Fusing section high temperature trouble (TH_US)
Causes: The fusing temperature exceeds the specified level. Thermister trouble. PCU PWB trouble Connection trouble of the connector and the harness. Power unit trouble.
Troubleshooting Guides: Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the PCU PWB. Check connection of the thermistor and the harness. Replace the power unit.

Code: H3-04
Description: Fusing section high temperature trouble (TH_EX1)
Causes: Non-contact thermistor trouble. PCU PWB trouble. Fusing section connector connection trouble. Power unit trouble.
Troubleshooting Guides: Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble. Replace the PCU PWB. Check connection of the thermistor and the harness. Replace the power unit.

Code: H3-05
Description: Fusing section high temperature trouble (TH_EX2)
Causes: Thermistor trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM14 to cancel the trouble. Replace the thermistor. Replace the PCU PWB. Check connection of the connector and the harness.

Code: H4-00
Description: Fusing section low temperature trouble (TH_UM_AD2)
Causes: The fusing temperature does not reach the specified level within the specified time from turning ON the power relay. Thermister trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. Power unit 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 power unit. Replace the interlock switch. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble.

Code: H4-01
Description: Fusing section low temperature trouble (TH_LM)
Causes: The fusing temperature does not reach the specified level within the specified time from turning ON the power relay. Thermister trouble. Heater lamp trouble. PCU PWB trouble Thermostat trouble. Connector, harness connection trouble. Power unit 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 power unit. 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. Thermister trouble. Heater lamp trouble. PCU PWB trouble Thermostat trouble. Connector, harness connection trouble. Power unit 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 power unit. Replace the interlock switch. Use SIM5-2 to check the flashing operation of the heater lamp. Use SIM14 to cancel the trouble.

Code: H4-04
Description: Fusing section low temperature trouble (TH_EX)
Causes: Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. Power unit trouble. Interlock switch 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 heater lamp. Replace the PCU PWB. Replace the power unit. Replace the interlock switch.

Code: H4-30
Description: Thermister input circuit trouble (TH_UM)
Causes: The values of TH_UM_AD1 and TH_UM_AD2 do not exceed the specified value (50 counts in AD value) within the specified time from turning ON the HL_UM. Thermister trouble. Heater lamp trouble. PCU PWB trouble Thermostat trouble. Connector, harness connection trouble. Power unit 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 power unit. 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: Fusing low temperature recovery trouble (TH_UM_AD2).
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. Thermister trouble. Heater lamp trouble. PCU PWB trouble Thermostat trouble. Connector, harness connection trouble. Power unit 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 power unit. Replace the interlock switch. Use SIM5-2 to check the flashing operation of the heater lamp.

Code: H7-11
Description: Fusing low temperature recovery trouble (TH_LM)
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. Thermister trouble. Heater lamp trouble. PCU PWB trouble Thermostat trouble. Connector, harness connection trouble. Power unit 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 power unit. Replace the interlock switch. Use SIM5-2 to check the flashing operation of the heater lamp.

Code: H7-12
Description: Fusing low temperature recovery trouble (TH_US)
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. Thermister trouble. Heater lamp trouble. PCU PWB trouble Thermostat trouble. Connector, harness connection trouble. Power unit 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 power unit. Replace the interlock switch. Use SIM5-2 to check the flashing operation of the heater lamp.

Code: H7-14
Description: Recovery error from low fuser temp. (TH_EX)
Causes: The specified temperature is not reached within the specified time from job stop due to a fall in the fusing temperature. Thermistor trouble. Thermostat trouble. Heater lamp trouble. PCU PWB trouble. Power unit trouble. Interlock switch trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Replace the thermistor. Replace the thermostat. Replace the heater lamp. Replace the PCU PWB. Replace the power unit. Replace the interlock switch. Check connection of the connector and the harness. 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: The lock signal Is not detected within 1 sec when turning ON the paper feed motor when warming up, 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: Developing motor trouble (BLACK)
Causes: The motor lock signal is detected during rotation of the developing motor. Developing motor trouble. Harness and connector connection trouble. PCU PWB trouble Developing unit trouble.
Troubleshooting Guides: Use SIM25-1 to check the operation of the developing motor. Replace the developing motor. Check connection of the connectors and the harness. Replace the PCU PWB. Replace the developing motor. Replace the developing unit.

Code: L4-05
Description: Developing motor trouble (COLOR)
Causes: The motor lock signal is detected during rotation of the developing motor. Developing motor trouble. Harness and connector connection trouble. PCU PWB trouble Developing unit trouble.
Troubleshooting Guides: Use SIM25-1 to check the operation of the developing motor. Replace the developing motor. Check connection of the connectors and the harness. Replace the PCU PWB. Replace the developing motor. Replace the developing unit.

Code: L4-06
Description: Transfer unit lift trouble
When separating the primary transfer belt unit, change in the separation position sensor characteristics is not detected within the specified time.
Causes: Transfer unit position sensor trouble. PCU PWB trouble. Connection trouble of the connector and the harness. Transfer unit separation clutch operation trouble. Primary transfer belt unit is not installed.
Troubleshooting Guides: Use SIM6-3 to check the separating operation of the transfer unit. Install the primary transfer belt unit. Replace the transfer unit position sensor. Replace the PCU PWB. Check connection of the connector and the harness. Replace the transfer unit separation clutch.

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: L4-16
Description: Fusing pressure release trouble
Causes: No change in the fusing pressure release sensor signal is detected within the specified time after turning ON the fusing pressure release motor. Fusing pressure release sensor trouble. Fusing pressure release motor trouble. Fusing pressure release level F, R trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Replace the fusing pressure release sensor. Replace the fusing pressure release motor. Replace the fusing pressure release lever F, R. Replace the PCU PWB. Check connection of the connector and the harness.

Code: L4-30
Description: MFP fan motor trouble
Causes: Fan motor trouble. MFP PWB trouble.Harness and connector connection trouble. PCU PWB trouble
Troubleshooting Guides: Use SIM6-2 to check the operation of the fan motor. Replace the fan motor. Replace the MFP PWB. Check connection of the connector and the harness. Replace the PCU PWB.

Code: L4-31
Description: Paper exit cooling fan 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 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 rotating operation of the fan. Replace the power cooling fan. Replace the PCU PWB. Check/replace the connector or the harness.

Code: L4-34
Description: LSU cooling fan 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 that the fan is actually rotating. Replace the LSU cooling fan. Replace the PCU PWB. Replace the LSUcnt PWB. Check connection of the connector and the harness.

Code: L4-35
Description: Fusing cooling fan trouble
Causes: The fan operation signal is not detected within the specified time in the fusing cooling fan operation. Fusing cooling fan trouble. PCU PWB trouble Connection trouble of the connector and the harness.
Troubleshooting Guides: Use SIM6-2 to check the rotating operation of the fan. Replace the fusing cooling fan. Replace the PCU PWB. Check connection of the connector and the harness.

Code: L4-45
Description: Toner cooling fan trouble (Toner cooling fan 1, 2)
Causes: When the toner cooling fan is operated, the fan operation signal is not detected within the specified time. Toner cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: After turning ON the power, check to confirm that the fan is rotating. Replace the toner cooling fan. Replace the PCU PWB. Check connection of the connector and the harness.

Code: L4-50
Description: Process fan trouble
Causes: The fan operation signal is not detected within the specified time in the process fan operation. Process fan trouble. PCU PWB trouble Connection trouble of the connector and the harness.
Troubleshooting Guides: Check that the fan is rotating after turning ON the power. Replace the process fan. Replace the PCU PWB. Check connection of the connector and the harness.

Code: L4-56
Description: Rear cooling fan trouble
Causes: The fan operation signal is not detected within the specified time in the rear cooling fan operation. Rear cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Check that the fan is rotating after turning ON the power. Replace the rear cooling fan. Replace the PCU PWB. Check connection of the connector and the harness.

Code: L4-57
Description: Toner cooling fan trouble (Toner cooling fan 3)
Causes: When the toner cooling fan is operated, the fan operation signal is not detected within the specified time. Toner cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: After turning ON the power, check to confirm that the fan is rotating. Replace the toner cooling fan. Replace the PCU PWB. Check connection of the connector and the harness.

Code: L4-58
Description: Ozone exhaust fan trouble
Causes: The fan operation signal is not detected within the specified time in the ozone exhaust fan operation. Ozone exhaust fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Troubleshooting Guides: Check that the fan is rotating after turning ON the power. Replace the ozone exhaust fan. Replace the PCU PWB. Check connection of the connector and the harness.

Code: L6-10
Description: Polygon motor trouble
Causes: The motor does not reach the specified rpm in 7 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: MFP PWB – Mother board communication error
Causes: Mother board PWB – MFPC PWB connection trouble. MFP PWB trouble. Replace the mother board.
Troubleshooting Guides: Check connection between the mother board and the MFPC PWB. Check the ground of the main unit. Replace the MFPC PWB. Replace the mother board.

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
Backup SRAM battery voltage fall.
Causes: 1) Battery life 2) 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: U2-10
Description: MFP PWB SRAM user authentication index check sum error
Causes: SRAM user index information (user authentication basic data) check sum error. MFP PWB SRAM trouble. Strong external noises.
Troubleshooting Guides: Use SIM16 to cancel the error. Transfer the user index information data in the HDD to the SRAM. Replace the MFP PWB.

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: U2-22
Description: MFP PWB SRAM memory check sum error
Causes: The identifier which controls the communication management table stored in the SRAM and the FAX soft switch is not detected correctly. MFP PWB SRAM trouble. MFP PWB trouble. Strong external noises.
Troubleshooting Guides: Since the data of the communication management table and the FAX soft switch stored in the SRAM are initialized when an error occurs, register the deleted data again individually. Use SIM16 to cancel the error. Replace the MFP PWB.

Code: U2-23
Description: MFP PWB SRAM memory individual data check sum error
MFP PWB SRAM memory individual data check sum error.
Causes: The check sum value for individual data of the communication table and the sender registration does not match. MFP PWB SRAM trouble. MFP PWB trouble. Strong external noises.
Troubleshooting Guides: Turn OFF/ON the power to initialize the data related to the content of check sum error. Since the registered contents are deleted, register the deleted contents again. Use SIM16 to cancel the error. Replace the MFP PWB.

Code: U2-24
Description: MFP PWB SRAM memory user authentication counter check sum error
Causes: MFP PWB SRAM trouble. MFP PWB trouble. Strong external noises.
Troubleshooting Guides: Use SIM16 to cancel the error.

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: U2-50
Description: HDD user authentication data check sum error
Causes: HDD trouble. MFP PWB trouble. Strong external noises.
Troubleshooting Guides: Initialize the data (one-touch, group, program, etc.) related to the check sum error by turning OFF/ON the power. Since the registered contents are deleted, register the deleted contents again. Use SIM16 to cancel the error. 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 trouble
Causes: When the fan is operated, the fan operation signal is not detected within the specified time. Fan motor trouble. Connector, harness connection trouble. DSPF PWB trouble.
Troubleshooting Guides: Use SIM2-3 to check that the fan is rotating. Replace the fan motor. Check connection of the connector and the harness. Replace the DSPF PWB.

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

Code: U5-40
Description: Document feed unit installation trouble
Causes: When two or more document feed units are detected. Connection trouble of the connector and the harness. Document feeder trouble.
Troubleshooting Guides: Check connection of the connector and the harness.

Code: U6-00
Description: PCU PWB – Desk paper feed unit communication error
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, overcurrent 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: U7-50
Description: MFP PWB – Vendor machine communication error
Communication error between the MFP and the serial vendor.
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 LCC control PWB. Replace the MFP PWB.

Code: U7-51
Description: Vendor machine error
MFP (Notification of a trouble from the serial vendor)
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.
Troubleshooting Guides: Replace the SCU PWB.

Epson L395 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 L395 Adjustment Program or add to exclusion folder
– Limitation: Unlimited using on only 1 Computer.
– Epson L395 AdjProg or Epson L395 Adjustment Program or Epson L395 Adj Program, is a middleware developed by third-party software to supply for Epson L395 printer, making printer continuous printing without error.

– Epson L395 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 L395 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 L395 Adjustment Program

– Choose printer model and usb connection

– Choose Particular Adjustment Mode

Using Epson L395 Adjustment Program Step 2

– Choose Waste Ink Pad Counter

Using Epson L395 Adjustment Program Step 4

– Read Waste Ink Pad Counter

Using Epson L395 Adjustment Program Step 5

– Reset Waste Ink Pad Counter

Using Epson L395 Adjustment Program Step 6

Active Epson L395 Adjustment Program

– Run Adjprog.exe, Copy L395 Hardware ID, send it to admin email : [email protected] to get serial key and then active Epson L395 Adjustment Program.