• Code: F1-34
• Description: Punch operation trouble (FPNM)
• Causes: Punch motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
• Remedy: Use SIM3-2 to check the operation of the home position sensor. Use SIM3-3 to check the operation of the punch. Replace the punch motor. Replace the finisher control PWB. Replace the home position sensor. Check connection of the connectors and the harness.

• Code: F1-35
• Description: Horizontal registration detection motor trouble
  Abnormality of the paper sensor shift motor for punch positioning of the punch unit in the finisher
• Causes: Motor lock, motor harness short / open, control PWB trouble, home position sensor trouble, connection harness / connector connection trouble.
• Remedy: Use Sim. 3-3 to check the operation of the horizontal resist detection motor. Check connection from the control PWB to the motor. Replace the control PWB and the sensor part.

• Code: F1-44
• Description: Staple motor 3 trouble
• Causes: Saddle staple motor R trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
• Remedy: Use SIM3-3 to check the operation of the saddle staple motor R. Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.

• Code: F1-45
• Description: Saddle staple trouble (FSFSTM)
  Abnormality of the staple unit drive motor in the saddle section.
• Causes: Saddle staple motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
• Remedy: Use SIM3-3 to check the operation of the saddle staple motor. Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.

• Code: F1-46
• Description: Rear edge fence motor trouble
• Causes: Saddle motor trouble. Finisher control PWB trouble. Home position sensor trouble. Harness and connector connection trouble.
• Remedy: Use SIM3-3 to check the operation of the saddle motor. Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.

• Code: F1-47
• Description: Drive collar oscillation motor trouble
  Drive collar oscillation motor abnormality in the finisher staple compiler
• Causes: Motor lock, control PWB trouble, home position sensor breakdown, connection harness / connector connection trouble.
• Remedy: Use Sim. 3-3 and Sim. 3-21to check the operation of the jogger motor. Check connection from the control PWB to the motor. Replace the control PWB and the sensor part.

• Code: F1-48
• Description: Saddle discharge motor trouble
  Bundle paper transport / discharge drive motor abnormality in the saddle unit
• Causes: Motor lock, control PWB trouble, home position sensor breakdown, connection harness / connector connection trouble.
• Remedy: Use Sim. 3-21 to check the operation of the saddle discharge motor. Check connection from the control PWB to the motor, and turn OFF /ON the power. Replace the control PWB and the sensor part.

• Code: F1-50
• Description: Main unit - Finisher combination error
• Causes: The finisher which is not supported by the main unit model is installed. Finisher control PWB trouble.
• Remedy: Install a proper finisher. Replace the finisher control PWB.