Code: F2-49
Description:
LSU thermistor trouble
Causes:
The LSU temperature is outside of -28..C - 78..C. LSU thermistor trouble. LSU thermistor harness and connector connection trouble PCU PWB trouble. LSUcnt PWB trouble. LD PWB trouble
Remedy:
Check the harness and the connector connection at LSU thermistor. Replace the PCU PWB. Replace the LSU. Replace the LSUcnt PWB.
Code: F2-50
Description:
K drum phase sensor trouble
Causes:
Drum phase sensor dirt. Drum phase sensor trouble. Drum phase sensor harness and connector connection trouble Drum drive section trouble. PCU PWB trouble.
Remedy:
Check the sensor condition and check the connection. Use SIM30-1 to check the operation of "DhpD_K". Replace the drum phase sensor. Repair the drum drive section. Replace the PCU PWB.
Code: F2-51
Description:
C drum phase sensor trouble (C)
Causes:
Drum phase sensor dirt. Drum phase sensor trouble. Drum phase sensor harness and connector connection trouble Drum drive section trouble. PCU PWB trouble.
Remedy:
Check the sensor condition and check the connection. Use SIM30-1 to check the operation of "DhpD_CL". Replace the drum phase sensor. Repair the drum drive section. Replace the PCU PWB.
Code: F2-52
Description:
M drum phase sensor trouble (M)
Causes:
Drum phase sensor dirt. Drum phase sensor trouble. Drum phase sensor harness and connector connection trouble Drum drive section trouble. PCU PWB trouble
Remedy:
Check the sensor condition and check the connection. Use SIM30-1 to check the operation of "DhpD_CL". Replace the drum phase sensor. Repair the drum drive section. Replace the PCU PWB.
Code: F2-53
Description:
Y drum phase sensor trouble (Y)
Causes:
Drum phase sensor dirt. Drum phase sensor trouble. Drum phase sensor harness and connector connection trouble Drum drive section trouble. PCU PWB trouble
Remedy:
Check the sensor condition and check the connection. Use SIM30-1 to check the operation of "DhpD_CL". Replace the drum phase sensor. Repair the drum drive section. Replace the PCU PWB
Code: F2-58
Description:
Temperature/humidity sensor trouble (Indoor humidity detection trouble)
Causes:
Detection of abnormality by the humidity sensor on internal temperature/ humidity sensor.
Remedy:
Check internal temperature/humidity sensor and check the connection of harness and connector. Check the PCU PWB.
Code: F2-64
Description:
Toner supply operation trouble (K)
Causes:
Toner motor trouble. Toner density sensor trouble. Connector/harness trouble. PCU PWB trouble. Toner cartridge trouble. Developing unit trouble. Hopper section trouble
Remedy:
Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the hopper section.
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. Hopper section trouble
Remedy:
Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the hopper section
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. Hopper section trouble
Remedy:
Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the hopper section
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. Hopper section trouble
Remedy:
Replace the toner motor. Replace the toner density sensor. Connector and harness check. Replace the PCU PWB. Replace the toner cartridge. Replace the developing unit. Check the hopper section.
Code: F2-70
Description:
Improper toner cartridge detection (K)
Causes:
An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.) Toner cartridge trouble. PCU PWB trouble.
Remedy:
Replace the toner cartridge. Replace the PCU PWB.
Code: F2-71
Description:
Improper toner cartridge detection (C)
Causes:
An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.) Toner cartridge trouble. PCU PWB trouble.
Remedy:
Replace the toner cartridge. Replace the PCU PWB.
Code: F2-72
Description:
Improper toner cartridge detection (M)
Causes:
An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.) Toner cartridge trouble. PCU PWB trouble.
Remedy:
Replace the toner cartridge. Replace the PCU PWB.
Code: F2-73
Description:
Improper toner cartridge detection (Y)
Causes:
An improper toner cartridge is inserted. (The main unit detects a toner cartridge of a different specification.) Toner cartridge trouble. PCU PWB trouble.
Remedy:
Replace the toner cartridge. Replace the PCU PWB.
Code: F2-74
Description:
Toner cartridge CRUM error (K)
Causes:
Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector and harness trouble between PCU PWB and toner cartridge
Remedy:
Replace the toner cartridge. Replace the PCU PWB. Check the connector and the harness between the PCU PWB and the toner cartridge.
Code: F2-75
Description:
Toner cartridge CRUM error (C)
Causes:
Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector and harness trouble between PCU PWB and toner cartridge
Remedy:
Replace the toner cartridge. Replace the PCU PWB. Check the connector and the harness between the PCU PWB and the toner cartridge.
Code: F2-76
Description:
Toner cartridge CRUM error (M)
Causes:
Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector and harness trouble between PCU PWB and toner cartridge
Remedy:
Replace the toner cartridge. Replace the PCU PWB. Check the connector and the harness between the PCU PWB and the toner cartridge.
Code: F2-77
Description:
Toner cartridge CRUM error (Y)
Causes:
Toner cartridge (CRUM) trouble. PCU PWB trouble. Connector and harness trouble between PCU PWB and toner cartridge
Remedy:
Replace the toner cartridge. Replace the PCU PWB. Check the connector and the harness between the PCU PWB and the toner cartridge.
Code: F2-78
Description:
Image density sensor adjustment trouble
Causes:
PCU PWB trouble Harness connection trouble between PCU PWB and Image density sensor
Remedy:
Check printed image for image density trouble. Check the harness connection between PCU PWB and the sensor. Clean the image density sensor. Check the condition of Transfer belt surface. If the error cannot be fixed, replace the image sensor exclusive for registration. Replace the transfer belt. Replace the PCU PWB. Replace the developer.

Code: F2-95
Description:
Ejecting operation trouble (K)
Causes:
Ejecting sensor trouble. Harness connection trouble. Toner motor trouble. PCU PWB trouble
Remedy:
Use SIM10-03 to check the operation of the eject arm. Check the harness connection and dirt at the eject sensor. Replace the eject sensor. Check the harness connection at the toner motor. Replace the toner motor. Replace the PCU PWB.
Code: F2-96
Description:
Ejecting operation trouble (C)
Causes:
Ejecting sensor trouble. Harness connection trouble. Toner motor trouble. PCU PWB trouble
Remedy:
Use SIM10-03 to check the operation of the eject arm. Check the harness connection and dirt at the eject sensor. Replace the eject sensor. Check the harness connection at the toner motor. Replace the toner motor. Replace the PCU PWB.
Code: F2-97
Description:
Ejecting operation trouble (M)
Causes:
Ejecting sensor trouble. Harness connection trouble. Toner motor trouble. PCU PWB trouble
Remedy:
Use SIM10-03 to check the operation of the eject arm. Check the harness connection at the eject sensor. Replace the eject sensor. Check the harness connection and dirt at the toner motor. Replace the toner motor. Replace the PCU PWB.
Code: F2-98
Description:
Ejecting operation trouble (Y)
Causes:
Ejecting sensor trouble. Harness connection trouble. Toner motor trouble. PCU PWB trouble
Remedy:
Use SIM10-03 to check the operation of the eject arm. Check the harness connection and dirt at the eject sensor. Replace the eject sensor. Check the harness connection at the toner motor. Replace the toner motor. Replace the PCU PWB.
Code: F3-12
Description:
Paper feed tray 1 lift operation trouble
Causes:
LUD1 sensor trouble. Paper feed tray 1 lift up motor trouble. Connection trouble of the connector and the harness at the PCU PWB and lift up unit and paper feed unit.
Remedy:
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 sensor trouble. Paper feed tray 2 lift up motor trouble. Connection trouble of the connector and the harness at the PCU PWB and lift up unit and paper feed unit.
Remedy:
Check connection of the harness and the connector of LUD2. Replace the lift-up unit. Replace the PCU PWB.
Code: F6-00
Description:
MFPC PWB - FAX communication trouble
Causes:
MFPC PWB - FAX communication trouble
Remedy:
Case 1 Cause FAX PWB trouble. Check and Remedy Replace the FAX PWB. Case 2 Cause FAX PWB - SCN-MFPC PWB connector and harness trouble Check and Remedy Check the connector and the harness between the FAX PWB and the SCN-MFPC PWB. Case 3 Cause FAX PWB - Mother board connector and harness trouble Check and Remedy Check the connector and the harness between the FAX PWB and the mother board. Case 4 Cause FAX PWB ROM trouble / ROM pin breakage Check and Remedy Check the ROM of the FAX PWB.
Code: F6-01
Description:
FAX PWB EEPROM read/write error
Causes:
FAX PWB EEPROM read/write erro
Remedy:
Case 1 Cause FAX PWB EEPROM trouble Check and Remedy Check that no trouble occurs after replacement of PIC. Execute the memory check of SIM66-3 to insure that EEPROM can be accessed. Case 2 Cause FAX PWB PIC access circuit trouble Check and Remedy Replace the FAX PWB.

Code: F6-02
Description:
FAX power supply trouble
Causes:
DC power supply trouble at the main machine. SCN-MFP PWB trouble (Fuse break trouble). 24 volt detection circuit Trouble at FAX PWB. Harness trouble between the FAN PWB and SCNMFP PWB.
Remedy:
Check the 24 volt supply circuit between the machine and the FAX PWB. Replace the DC power supply unit at the machine. Replace the SCN-MFP PWB. Replace the FAX PWB. REplace the harness between the machine and the FAX PWB.
Code: F6-04
Description:
FAX MODEM operation trouble
Causes:
FAX MODEM operation trouble
Remedy:
Case 1 Cause FAX MODEM chip operation trouble. Check and remedy Replace the FAX control PWB. Case 2 Cause The FAX MODEM chip cannot be accessed. Check and Remedy Replace the FAX control PWB.
Code: F6-21
Description:
Improper combination of TEL/LIU PWB and FAX soft switch
Causes:
Improper combination of TEL/LIU PWB and FAX soft switch
Remedy:
Case 1 Cause The destination of the TEL/LIU PWB installed is improper. Check and Remedy Check the destination of the TEL/LIU PWB. Case 2 Cause TEL/LIU PWB trouble. Check and Remedy Replace the TEL/LIU PWB. Case 3 Cause Different Fax PWB information (Soft Switch) Check and Remedy Check Fax PWB information (Soft Switch)
Code: F6-30
Description:
FAX 1-chip microprocessor access error (FAX detection)
Causes:
FAX 1-chip microprocessor access error (FAX detection)
Remedy:
Case 1 Cause Program writing trouble to the 1-chip microprocessor, or no program data written. Check and Remedy Use SIM66-42 to rewrite the 1-chip microprocessor program. Case 2 Cause FAX 1-chip microprocessor circuit trouble. Check and Remedy Replace the FAX PWB and Use SIM66-42 to rewrite the program.
Code: F6-97
Description:
Incompatibility between FAX PWB and the main machine
Causes:
The FAX PWB installed is improper. FAX PWB trouble
Remedy:
Install a proper FAX PWB. Replace the FAX PWB.
Code: F6-98
Description:
Incompatibility between the FAX PWB destination and the main machine destination
Causes:
Incompatibility between the destination information written into the FAX PWB PCI and that in the main machine (set with SIM26-6)
Remedy:
Check the destination of the FAX control PWB. Check the destination of the main machine (SIM26- 06)
Code: H2-00
Description:
Thermistor open trouble (Upper main TH_UM detection) (TH_LM)
Causes:
Thermistor trouble PCU PWB trouble Thermistor connector and harness trouble AC Power unit trouble
Remedy:
Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.
Code: H2-01
Description:
Thermistor open trouble (Lower main TH_LM) (TH_LM)
Causes:
Thermistor trouble PCU PWB trouble Thermistor connector and harness trouble AC Power unit trouble
Remedy:
Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.

Code: H2-02
Description:
Thermistor open trouble (Upper sub TH_US1 detection) (TH_SUB2_2)
Causes:
Thermistor trouble PCU PWB trouble Thermistor connector and harness trouble AC Power unit trouble
Remedy:
Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.
Code: H2-03
Description:
Thermistor open trouble (Upper main TH_UM compensation) (TH_UM_CS)
Causes:
Thermistor trouble PCU PWB trouble Thermistor connector and harness trouble AC Power unit trouble
Remedy:
Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.
Code: H2-05
Description:
Thermistor open trouble (Upper sub TH_US1 compensation) (TH_SUB2_2_CS)
Causes:
Thermistor trouble PCU PWB trouble Thermistor connector and harness trouble AC Power unit trouble
Remedy:
Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.
Code: H2-06
Description:
Thermistor open trouble (Upper edge) (TH_US2)
Causes:
Thermistor trouble PCU PWB trouble Thermistor connector and harness trouble AC Power unit trouble
Remedy:
Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.
Code: H3-00
Description:
Fusing section high temperature trouble (Upper main) (TH_UM)
Causes:
Thermistor trouble PCU PWB trouble Fusing section connector connection trouble AC Power unit trouble
Remedy:
Use SIM5-2 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp keeps on lighting, check the lamp control circuit on the AC PWB and the PCU PWB. Use SIM14 to cancel the trouble.
Code: H3-01
Description:
Fusing section high temperature trouble (Lower main) (TH_LM)
Causes:
Thermistor trouble PCU PWB trouble Fusing section connector connection trouble AC Power unit trouble
Remedy:
Use SIM5-2 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp keeps on lighting, check the lamp control circuit on the AC PWB and the PCU PWB. Use SIM14 to cancel the trouble.
Code: H3-02
Description:
Fusing section high temperature trouble (Upper sub) (TH_US1)
Causes:
Thermistor trouble PCU PWB trouble Fusing section connector connection trouble AC Power unit trouble
Remedy:
Use SIM5-2 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp keeps on lighting, check the lamp control circuit on the AC PWB and the PCU PWB. Use SIM14 to cancel the trouble.
Code: H4-00
Description:
Fusing section low temperature trouble (Upper main) (TH_UM)
Causes:
Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. AC Power unit trouble. Interlock switch trouble.
Remedy:
Use SIM05-02 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp does not light on correctly, check the cut-line of the heater harness and the thermostat. Check the interlock switch. Check the lamp control circuit on the AC PWB and the PCU PWB. Use SIM14 to cancel the trouble.

Code: H4-01
Description:
Fusing section low temperature trouble (Lower main) (TH_LM)
Causes:
Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. AC Power unit trouble. Interlock switch trouble.
Remedy:
Use SIM05-02 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp does not light on correctly, check the cut-line of the heater harness and the thermostat. Check the interlock switch. Check the lamp control circuit on the AC PWB and the PCU PWB. Use SIM14 to cancel the trouble.
Code: H4-02
Description:
Fusing section low temperature trouble (Upper sub) (TH_US1)
Causes:
Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. AC Power unit trouble. Interlock switch trouble.
Remedy:
Use SIM05-02 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp does not light on correctly, check the cut-line of the heater harness and the thermostat. Check the interlock switch. Check the lamp control circuit on the AC PWB and the PCU PWB. Use SIM14 to cancel the trouble.
Code: H4-30
Description:
Thermistor differential input trouble (Upper main) (TH_UM)
Causes:
HL_UM does not light. Thermistor trouble. Harness trouble. PCU PWB trouble.
Remedy:
Use SIM05-02 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp does not light on correctly, check the cut-line of the heater harness and the thermostat. Check the interlock switch. Check the lamp control circuit on the AC PWB and the PCU PWB. Use SIM14 to cancel the trouble.
Code: H4-32
Description:
Thermistor differential input trouble (Upper sub) (TH_US1)
Causes:
HL_UM does not light. Thermistor trouble. Harness trouble. PCU PWB trouble.
Remedy:
Use SIM05-02 to check the flushing operation of the heater lamp. When the lamp lights on correctly, check the thermistor or the harness. Check the input circuit of the thermistor on the PCU PWB. When the lamp does not light on correctly, check the cut-line of the heater harness and the thermostat. Check the interlock switch. Check the lamp control circuit on the AC PWB and the PCU PWB. 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 POD1 sensor connector and harness connection trouble PCU PWB trouble Fusing unit, drive section trouble
Remedy:
Replace the POD1 sensor. Check installation of the fusing unit. Replace the fusing unit. Check or repair the fusing drive section. Check connection of the POD1 sensor connector and the harness. Replace the PCU PWB. Use SIM14 to cancel the trouble.
Code: H7-10
Description:
Recovery error from low fuser temp. (Upper main) (TH_UM)
Causes:
Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. AC Power unit trouble. Interlock switch trouble
Remedy:
Use SIM5-2 to check the flashing operation of the heater lamp. Replace the thermostat conduction. Replace the heater lamp. Replace the PCU PWB. Replace the AC PWB. Check connection of the connector and the harness.
Code: H7-12
Description:
Recovery error from low fuser temp. (TH_LM)
Causes:
Thermistor trouble. Thermostat trouble. Heater lamp trouble. PCU PWB trouble. AC Power unit trouble. Interlock switch trouble Connector, harness connection trouble.
Remedy:
Use SIM5-2 to check the flashing operation of the heater lamp. Replace the thermostat conduction. Replace the heater lamp. Replace the PCU PWB. Replace the AC PWB. Check connection of the connector and the harness.
Code: L1-00
Description:
Scanner feed trouble
Causes:
Mirror unit trouble Wire is removed from the mirror. Lock screw is not removed. Circuit trouble
Remedy:
Use SIM1-1 to check the mirror operation. Check the circuit related with the mirror motor (SCNMFP PWB and Mhp sensor PWB).

Code: L3-00
Description:
Scanner return trouble
Causes:
Mirror unit trouble Wire is removed from the mirror. Lock screw is not removed. Circuit trouble
Remedy:
Use SIM1-1 to check the mirror operation. Check the circuit related with the mirror motor (SCNMFP PWB and Mhp sensor PWB).
Code: L4-02
Description:
Paper feed motor trouble
Causes:
Paper feed motor trouble Connection trouble of the connector and the harness between the PCU PWB and the paper feed motor harness. PCU PWB trouble
Remedy:
Use SIM6-1 to check the operation of the paper feed motor. Replace the paper feed motor. Check connection of the paper feed motor harness and the connector. Replace the PCU PWB.
Code: L4-03
Description:
Fusing motor trouble
Causes:
Fusing motor trouble Fusing motor harness and connector connection trouble PCU PWB trouble
Remedy:
Use SIM6-1 to check the operation of the fusing motor. Replace the Fusing motor. Check connection of the fusing motor harness and the connection. Replace the PCU PWB.
Code: L4-06
Description:
Transfer unit lift trouble
Causes:
Transfer unit position sensor trouble Dirt on the transfer unit position sensor. PCU PWB trouble Connection trouble of the connector and the harness. Transfer unit lift mechanism trouble Transfer unit is not installed correctly.
Remedy:
Use SIM6-3 to check the separating operation of the transfer unit. Replace the transfer unit position sensor. Clean the transfer unit position sensor. Replace the PCU PWB. Check connection of the connector and the harness. Repair the transfer unit lift mechanism.
Code: L4-07
Description:
Transfer belt motor trouble
Causes:
Transfer belt motor trouble. Harness/connector trouble between the PCU PWB and transfer belt motor.
Remedy:
Use Sim25-1 to check operation of the transfer belt motor. Check the harness and connector between the PCU PWB and the transfer belt motor.
Code: L4-09
Description:
PS motor trouble
Causes:
PCU PWB trouble Motor trouble Connection trouble of the connector and the harness between the PCU PWB and the motor.
Remedy:
Check the connection of the connector and the harness between the PCU PWB and the motor. Replace the PCU PWB, the motor and the harness.
Code: L4-11
Description:
Shift motor trouble
Causes:
Shift motor trouble. PCU PWB trouble. Connection trouble of the connector and the harness between the PCU PWB and the shift motor. Controller circuit trouble Finisher is still installed when the connector of the finisher is removed. Communication trouble of the finisher
Remedy:
Use SIM6-1 to check the shift operation. Use SIM30-1 to check the operation of the shifter home position sensor. Check the connection of the connector and the harness between the PCU PWB and the shift motor. Connect the connector of the finisher. Refer to the contents of F1-00 when the communication trouble between the PCU PWB and the finisher is occurred
Code: L4-12
Description:
Secondary transfer separation trouble
Causes:
The position sensor is not blocked or the position sensor is always blocked. Connection trouble of the connector and the harness between the PCU PWB and the separation position sensor. Separation clutch trouble Secondary transfer unit is not installed Separation motor trouble
Remedy:
Check the separation operation by the SIM06-03. Check that the sensor is blocked when the separation operation is done. Replace the separation motor, the separation sensor and the PCU PWB. Check the connection of the connector and the harness between the PCU PWB and the separation position sensor. Install the secondary transfer unit.

Code: L4-16
Description:
Fusing pressure release trouble
Causes:
Fusing pressure release sensor trouble. Fusing pressure release motor trouble. Pressure release drive gear and pressure release idle gear trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy:
Replace the fusing pressure release sensor. Replace the fusing pressure release motor. Replace the pressure release drive gear and the pressure release idle gear. Replace the PCU PWB. Check connection of the connector and the harness.
Code: L4-17
Description:
Drum motor trouble (BK)
Causes:
Drum motor trouble Connection trouble of the connector and the harness between the PCU PWB and the drum motor. PCU PWB trouble
Remedy:
Check the operation of the drum motor by SIM25-01. Check the connection of the harness and the connector between the PCU PWB and the drum motor. Replace the PCU PWB and the drum motor.
Code: L4-18
Description:
Drum motor trouble (C)
Causes:
Drum motor trouble Connection trouble of the connector and the harness between the PCU PWB and the drum motor. PCU PWB trouble
Remedy:
Check the operation of the drum motor by SIM25-01. Check the connection of the harness and the connector between the PCU PWB and the drum motor. Replace the PCU PWB and the drum motor
Code: L4-19
Description:
Drum motor trouble (M)
Causes:
Drum motor trouble Connection trouble of the connector and the harness between the PCU PWB and the drum motor. PCU PWB trouble
Remedy:
Check the operation of the drum motor by SIM25-01. Check the connection of the harness and the connector between the PCU PWB and the drum motor. Replace the PCU PWB and the drum motor.
Code: L4-20
Description:
Drum motor trouble (Y)
Causes:
Drum motor trouble Connection trouble of the connector and the harness between the PCU PWB and the drum motor. PCU PWB trouble
Remedy:
Check the operation of the drum motor by SIM25-01. Check the connection of the harness and the connector between the PCU PWB and the drum motor. Replace the PCU PWB and the drum motor.
Code: L4-32
Description:
Power source cooling fan trouble
Causes:
Power cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy:
Use SIM6-2 to check that the fan is actually rotating. Replace the power cooling fan. Replace the PCU PWB. Check connection of the connectors and the harness.
Code: L4-35
Description:
Fusing cooling fan R trouble
Causes:
Fusing cooling fan trouble. PCU PWB trouble. Connection trouble of the connector and the harness.
Remedy:
Use SIM6-2 to check that the fan is actually rotating. Replace the fusing cooling fan. Replace the PCU PWB. Check connection of the connector and the harness.