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Sharp MX3650FN

Error Codes List page 32

  • Code: L4-03
  • Description: Fusing motor trouble
  • 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
  • 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 Transfer unit is not installed correctly.
  • Remedy: Use SIM6-3 to check the separating operation of the transfer 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: L4-09
  • Description: PS motor trouble
  • Causes: PCU PWB trouble Motor trouble Connection trouble of the connector and the harness between the PCU PWB and the motor.
  • Remedy: Check the connection of the connector and the harness between the PCU PWB and the motor. Replace the PCU PWB, the motor and the harness.
  • Code: L4-11
  • Description: Shift motor trouble
  • Causes: Shift motor trouble. PCU PWB trouble. Connection trouble of the connector and the harness between the PCU PWB and the shift motor. Controller circuit trouble Finisher is still installed when the connector of the finisher is removed. Communication trouble of the finisher
  • Remedy: Use SIM6-1 to check the shift operation. Use SIM30-1 to check the operation of the shifter home position sensor. Check the connection of the connector and the harness between the PCU PWB and the shift motor. Connect the connector of the finisher. Refer to the contents of F1-00 when the communication trouble between the PCU PWB and the finisher is occurred
  • Code: L4-12
  • Description: Secondary transfer separation trouble
  • Causes: The position sensor is not blocked or the position sensor is always blocked. Connection trouble of the connector and the harness between the PCU PWB and the separation position sensor. Separation clutch trouble Secondary transfer unit is not installed Separation motor trouble
  • Remedy: Check the separation operation by the SIM06-03. Check that the sensor is blocked when the separation operation is done. Replace the separation motor, the separation sensor and the PCU PWB. Check the connection of the connector and the harness between the PCU PWB and the separation position sensor. Install the secondary transfer unit.
  • Code: L4-16
  • Description: Fusing pressure release trouble
  • Causes: Fusing pressure release sensor trouble. Fusing pressure release motor trouble. Pressure release drive gear and pressure release idle gear 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 pressure release drive gear and the pressure release idle gear. Replace the PCU PWB. Check connection of the connector and the harness.
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