Code :

Code: L4-33
Description: Machine ventilation fan BA trouble. The fan operation signal is not detected within the specified time in the machine ventilation fan BA operation.
Causes: The fan does not rotate because of disconnection of the ozone exhaust fan or other trouble
Remedy: Check the harness and the connector between the PCU PWB and the fan. Use SIM6-2 to check that the fan is actually rotating.

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 fan trouble. Harness, connector trouble. LSU control PWB trouble.
Remedy: Use SIM6-2 to check the fan operation. Check the LSU fan, and replace if necessary. Check the harness/connector, and replace if necessary. Check the LSU control PWB, and replace if necessary.

Code: L4-35
Description: Paper exit exhaust fan trouble. When the fan is operated, the fan operation signal is not detected within the specified time.
Causes: The fan does not rotate because of disconnection of the fan connector or other trouble.
Remedy: Check the harness and the connector between the PCU PWB and the fan. Use SIM6-2 to check that the fan is actually rotating.

Code: L4-36
Description: Fusing cooling fan trouble. When the fan is operated, the fan operation signal is not detected within the specified time.
Causes: The fan does not rotate because of disconnection of the fan connector or other trouble.
Remedy: Check the harness and the connector between the PCU PWB and the fan. Use SIM6-2 to check that the fan is actually rotating.

Code: L4-38
Description: Paper exit cooling fan2 F trouble. When the fan is operated, the fan operation signal is not detected within the specified time.
Causes: The fan does not rotate because of disconnection of the fan connector or other trouble.
Remedy: Check the harness and the connector between the PCU PWB and the fan. Use SIM6-2 to check that the fan is actually rotating.

Code: L4-39
Description: Machine ventilation fan trouble. When the fan is operated, the fan operation signal is not detected within the specified time.
Causes: The fan does not rotate because of disconnection of the fan connector or other trouble.
Remedy: Check the harness and the connector between the PCU PWB and the fan. Use SIM6-2 to check that the fan is actually rotating.

Code: L4-40
Description: Ozone fan motor 1 trouble. The lock signal is detected during rotation of the ozone fan motor 1.
Causes: Harness/connector trouble between the PCU PWB and the fan motor. PCU PWB trouble. Fan motor trouble. The fan does not rotate because of the other trouble. (No power supply to the fan motor)
Remedy: Use SIM6-2 to check the operation of the fan motor. Check the harness and the connector between the PCU PWB and the fan motor. Replace the PCU PWB. Replace the fan motor.

Code: L4-41
Description: Ozone fan motor 2 trouble The lock signal is detected during rotation of the ozone fan motor 2.
Causes: Harness/connector trouble between the PCU PWB and the fan motor. PCU PWB trouble. Fan motor trouble. The fan does not rotate because of the other trouble. (No power supply to the fan motor)
Remedy: Use SIM6-2 to check the operation of the fan motor. Check the harness and the connector between the PCU PWB and the fan motor. Replace the PCU PWB. Replace the fan motor.