Description: Fusing section low temperature trouble (TH_US)
Causes: Sub thermistor trouble. Sub heater lamp trouble. PCU PWB trouble. Thermostat trouble. Connector, harness connection trouble. HL control PWB trouble. Power unit trouble.
Remedy: Use SIM14 to cancel the trouble. Use SIM44-14 to check the state of the thermistor. Use SIM5-2 to check the flashing operation of the heater lamp. 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.
Code: H5-01
Description: 5-time continuous jams of POSD
Causes: A fusing jam is not canceled completely. (A jam paper remains.) POSD sensor trouble Fusing unit installation trouble POSD sensor connector and harness connection trouble PCU PWB trouble Fusing unit, drive section trouble
Remedy: Replace the POSD sensor. Check installation of the fusing unit. Replace the fusing unit. Check paper around the fusing unit section. Check connection of the POSD sensor connector and the harness. Replace the PCU PWB. Use SIM14 to cancel the trouble.
Code: L1-00
Description: Scanner feed trouble
Causes: Scanner unit trouble. SCU 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 SCU 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
Causes: Scanner unit trouble SCU 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 SCU PWB. Check connection of the connectors and the harness. Replace the scanner home position sensor. Replace the scanner motor.
Code: L4-01
Description: Main motor lock trouble
Causes: Main motor lock trouble Harness and connector connection trouble PCU PWB trouble
Remedy: Use SIM6-1 to check the operation of the main motor lock. Replace the main motor. Check connection of the connectors and the harness. Replace the PCU PWB.
Code: L4-11
Description: Shift motor trouble
Causes: 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. Check connection of the connector and the harness. Replace the shifter home position sensor.
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: L4-34
Description: LSU cooling fan trouble
Causes: LSU 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 LSU cooling fan. Replace the PCU PWB.