Code :

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.
Remedy: 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. Harness and connector connection trouble. 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.
Remedy: Replace the fusing pressure release sensor. Replace the fusing pressure release motor. Replace the fusing pressure release lever F, R. Replace the PCU PWB. Harness and connector connection trouble.

Code: L4-30
Description: MFP fan motor trouble
Causes: Fan motor trouble. MFP PWB trouble.Harness and connector connection trouble. PCU PWB trouble
Remedy: Use SIM6-2 to check the operation of the fan motor. Replace the fan motor. Replace the MFP PWB. Harness and connector connection trouble. 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.
Remedy: 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.
Remedy: 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: L4-35
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.
Remedy: Use SIM6-2 to check the rotating operation of the fan. Replace the fusing cooling fan. Replace the PCU PWB. Harness and connector connection trouble.

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.
Remedy: Check that the fan is rotating after turning ON the power. Replace the process fan. Replace the PCU PWB. Harness and connector connection trouble.

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.
Remedy: Check that the fan is rotating after turning ON the power. Replace the rear cooling fan. Replace the PCU PWB. Harness and connector connection trouble.