• Code: F1-04
• Description: Finisher paddle trouble
• Causes: motor trouble. Finisher control PWB trouble. Home position sensor trouble. Connection trouble of the connector and the harness.
• Remedy: Use SIM3-3 to check the operation of the finisher paddle motor. Check connection of the connector and the harness. Replace the finisher control PWB. Replace the finisher paddle motor. Replace the harness.

• Code: F1-04
• Description: Finisher paddle trouble (3K FIN)
• Causes: motor trouble. Clutch trouble. Finisher control PWB trouble. Connection trouble of the connector and the harness. Home position sensor trouble
• Remedy: Use SIM3-3 to check the operation of the finisher exit motor. Use SIM3-3 to check the operation of the paddle drive clutch. Check connection of the connector and the harness. Replace the finisher control PWB. Replace the finisher exit motor. Replace the paddle drive clutch. Replace the paddle HP sensor. Replace the harness.

• Code: F1-05
• Description: Return belt motor trouble (INF)
• Causes: Connection trouble of the connector and the harness. Return belt motor trouble. Home position sensor trouble. Finisher control PWB trouble.
• Remedy: Use SIM3-3 to check the operation of the finisher return belt motor. Use SIM3-2 to check the operation of the home position sensor. Replace the finisher return belt motor. Check connection of the connector and the harness. Replace the finisher control PWB.

• Code: F1-06
• Description: Paper exit transport/Tapping-Gathering roller motor trouble (1K FIN)
• Causes: Connection trouble of the connector and the harness. Paper exit transport/Tapping-Gathering roller motor trouble. Finisher control PWB trouble.
• Remedy: Use SIM3-3 to check the operation of the paper exit transport/Tapping-Gathering roller motor. Check connection of the connector and the harness. Replace the Paper exit transport/Tapping-Gathering roller motor. Replace the finisher control PWB.

• Code: F1-08
• Description: Stapler shift motor trouble
• Causes: Connection trouble of the connector and the harness. Finisher stapler shift motor trouble. Home position sensor trouble. Finisher control PWB trouble.
• Remedy: Use SIM3-3 to check the operation of the stapler shift motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the stapler shift motor. Replace the home position sensor. Replace the finisher control PWB.

• Code: F1-10
• Description: Staple motor trouble
• Causes: Connection trouble of the connector and the harness. Staple motor trouble. Home position sensor trouble. Finisher control PWB trouble.
• Remedy: Use SIM3-3 to check the operation of the staple motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the staple motor. Replace the home position sensor. Replace the finisher control PWB.

• Code: F1-11
• Description: Finisher bundle exit motor trouble (1K FIN)
• Causes: Connection trouble of the connector and the harness. Finisher bundle exit motor trouble. Home position sensor trouble. Finisher control PWB trouble.
• Remedy: Use SIM3-3 to check the operation of finisher bundle exit motor. Use SIM3-2 to check the operation of the home position sensor. Check connection of the connector and the harness. Replace the finisher bundle exit motor. Replace the home position sensor. Replace the finisher control PWB.

• Code: F1-12
• Description: Proof transport motor trouble (1K FIN)
• Causes: Motor driver detects the abnormality. (DC motor control trouble) (First time is jam detection, Second time is trouble detection)
• Remedy: Use SIM3-3 to check the operation of the proof transport motor. Check connection of the connector and the harness. Replace the proof transport motor. Replace the finisher control PWB.