Code :

Code: H7-11
Description: Recovery error from low fuser temp. (TH_LM) The fusing temperature does not reach the specified level within the specified time from stopping a job due to fall in the fusing temperature.
Causes: Thermistor trouble. Heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. HL control PWB trouble. Power unit trouble.
Remedy: Replace the thermistor. Replace the heater lamp. Replace the PCU PWB. Replace the thermostat. Check connection of the connector and the harness. Replace the HL control PWB. Replace the power unit. Use SIM5-2 to check the flashing operation of the heater lamp.

Code: L1-00
Description: Scanner feed trouble. Scanner feed is not completed within the specified time.
Causes: Scanner unit trouble. SCN Mother PWB trouble. Scanner control PWB trouble. Harness and connector connection trouble. Scanner home position sensor trouble. Scanner motor trouble.
Remedy: Use SIM1-1 to check the scan operation. Replace the scanner unit. Replace the SCN Mother 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. Scanner return is not completed within the specified time.
Causes: Scanner unit trouble SCN Mother PWB trouble Scanner control PWB trouble Harness and connector connection trouble Scanner home position sensor trouble Scanner motor trouble
Remedy: Use SIM1-1 to check the scan operation. Replace the scanner unit. Replace the SCN Mother 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. A lock signal is not detected within the specified time in ON operation of the paper feed motor after warming-up or canceling a jam.
Causes: Paper feed motor trouble Paper feed motor harness and connector connection trouble 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. The motor lock signal is detected during rotation of the fusing motor.
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. A change in the primary transfer position sensor cannot be detected within the specified time in lifting operation of the primary transfer unit.
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 Primary transfer belt unit is not installed.
Remedy: Use SIM6-3 to check the separating operation of the transfer unit. Install the primary transfer belt 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. The motor lock signal is detected during rotation of the transfer belt motor.
Causes: Transfer belt trouble. Harness/connector trouble between the PCU PWB and the transfer belt motor. Control PWB trouble. Circuit trouble.
Remedy: Use SIM25-1 to check the operation of the transfer belt motor. Check the harness and the connector between the PCU PWB and the transfer belt motor.

Code: L4-08
Description: Waste toner transport motor lock. The waste toner lock sensor is detected during rotation of the drum motor.
Causes: Waste toner transport motor trouble. Waste toner transport pipe clogging Harness/connector trouble between the PCU PWB and the waste toner transport motor.
Remedy: Use SIM6-1 to check the operation of the waste toner transport motor (WTM). Check the waste toner transport pipe for clogging. Check the harness and the connector between the PCU PWB and the waste toner transport motor.