Causes: Connection trouble of the connector and the harness. Finisher paper alignment motor R trouble Home position sensor trouble Finisher control PWB trouble
Remedy: Use SIM3-3 to check the operation of the finisher paper alignment motor R. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher paper alignment motor R. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-22
Description: Finisher assist motor trouble (INF/3K FIN)
Causes: Connection trouble of the connector and the harness. Finisher assist motor trouble Home position sensor trouble Finisher control PWB trouble
Remedy: Use SIM3-3 to check the operation of the finisher assist motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher assist motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-23
Description: Safety switch trouble
Causes: control PWB trouble connection trouble of harness connection trouble of connector safety switch trouble front door switch trouble front door sensor trouble
Remedy: Check connection between the control PWB and sensor Replace the control PWB Replace safety switch Replace front door switch Replace front door sensor
Code: F1-28
Description: Flap motor trouble (1K FIN)
Causes: Connection trouble of the connector and the harness. Flap motor trouble Home position sensor trouble Finisher control PWB trouble
Remedy: Use SIM3-3 to check the operation of the flap motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the flap motor. Replace the home position sensor. Replace the finisher control PWB.
Code: F1-28
Description: Drawing lift motor trouble (3K FIN)
Causes: Motor lock. Control PWB trouble. Disconnection of harness. Connector connection trouble. Home position sensor trouble.
Remedy: Use SIM3-3 to check the operation of the drawing lift motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the drawing lift motor. Replace the home position sensor. Replace the finisher control PWB.
Causes: Over current (PWB breakage, harness short-circuit, solenoid trouble)
Remedy: Use SIM3-3 to check the operation of the each motor and the solenoid. Use SIM3-2 to check the operation of the each sensor. Check connection of the connector and the harness. Replace each motor. Replace the finisher control PWB.