Code :

Code: L4-35
Description: Fusing exhaust fan lock
Causes: When the fusing exhaust fan is operated, the fan operation signal is not detected within the specified time.
Remedy: Case 1 Cause Fan connector disconnection Check and remedy Check the harness and the connector between the PCU PWB and the fan. Case 2 Cause Fan does not rotate because of other trouble. Check and remedy Use SIM6-2 to check that the fan is actually rotating.

Code: L4-36
Description: Fusing suction fan lock
Causes: When the fusing suction fan is operated, the fan operation signal is not detected within the specified time.
Remedy: Case 1 Cause Fan connector disconnection Check and remedy Check the harness and the connector between the PCU PWB and the fan. Case 2 Cause Fan does not rotate because of other trouble. Check and remedy Use SIM6-2 to check that the fan is actually rotating.

Code: L4-38
Description: Machine ventilation fan center lock
Causes: When the machine ventilation fan center is operated, the fan operation signal is not detected within the specified time.
Remedy: Case 1 Cause Fan connector disconnection Check and remedy Check the harness and the connector between the PCU PWB and the fan. Case 2 Cause Fan does not rotate because of other trouble. Check and remedy Use SIM6-2 to check that the fan is actually rotating.

Code: L4-39
Description: Machine ventilation fan right lock
Causes: When the machine ventilation fan right is operated, the fan operation signal is not detected within the specified time.
Remedy: Case 1 Cause Fan connector disconnection Check and remedy Check the harness and the connector between the PCU PWB and the fan. Case 2 Cause Fan does not rotate because of other trouble. Check and remedy Use SIM6-2 to check that the fan is actually rotating.

Code: L4-40
Description: Ozone fan 1 lock
Causes: When the ozone fan 1 is operated, the fan operation signal is not detected within the specified time.
Remedy: Case 1 Cause Fan connector disconnection Check and remedy Check the harness and the connector between the PCU PWB and the fan. Case 2 Cause Fan does not rotate because of other trouble. Check and remedy Use SIM6-2 to check that the fan is actually rotating.

Code: L4-41
Description: Ozone fan 2 lock
Causes: When the ozone fan 2 is operated, the fan operation signal is not detected within the specified time.
Remedy: Case 1 Cause Fan connector disconnection Check and remedy Check the harness and the connector between the PCU PWB and the fan. Case 2 Cause Fan does not rotate because of other trouble. Check and remedy Use SIM6-2 to check that the fan is actually rotating.

Code: L4-42
Description: Ozone fan 3 lock
Causes: When the ozone fan 3 is operated, the fan operation signal is not detected within the specified time.
Remedy: Case 1 Cause Fan connector disconnection Check and remedy Check the harness and the connector between the PCU PWB and the fan. Case 2 Cause Fan does not rotate because of other trouble. Check and remedy Use SIM6-2 to check that the fan is actually rotating.

Code: L4-43
Description: Paper exit cooling fan center lock
Causes: When the paper exit cooling fan center is operated, the fan operation signal is not detected within the specified time.
Remedy: Case 1 Cause Fan connector disconnection Check and remedy Check the harness and the connector between the PCU PWB and the fan. Case 2 Cause Fan does not rotate because of other trouble. Check and remedy Use SIM6-2 to check that the fan is actually rotating.