• Code: F1-37
• Description: Finisher data backup RAM error
• Causes: Finisher control PWB trouble. Malfunction due to noises
• Remedy: Replace the finisher control PWB. Readjust the finisher. (Use SIM3-10, Finisher control PWB DIP SW adjustment.)

• Code: F1-38
• Description: Punch data backup RAM error
• Causes: Punch control PWB trouble. Malfunction due to noises
• Remedy: Replace the punch control PWB. Set the punch unit specifications, and adjust the sensor. (Punch unit control PWB DIP SW adjustment.)

• Code: F1-39
• Description: Punch paper dust sensor error
• Causes: Punch dust sensor trouble. Harness and connector connection trouble. Finisher control PWB trouble. Punch unit control PWB trouble.
• Remedy: Use SIM3-2 to check the operation of the sensor. Check connection of the connectors and the harness. Replace the punch dust sensor. Replace the finisher control PWB. Replace the punch unit control PWB.

• Code: F1-41
• Description: Saddle paper positioning operation trouble
  Abnormality in the folding positioning guide motor in the saddle section.
• Causes: Saddle paper positioning guide drive 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 paper positioning motor. Check connection from the control PWB to the motor. Turn OFF/ON the power. Replace the control PWB. Replace the sensor.

• Code: F1-43
• Description: Saddle alignment operation trouble
• Causes: Saddle alignment 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 alignment motor (FSPAM). 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
  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: F1-47
• Description: Saddle paper transport motor trouble
  Abnormality in the drive roller oscillation motor in the finisher saddle transport section.
• Causes: Saddle paper transport motor trouble. Finisher control PWB trouble. Harness and connector connection trouble. Fuse blown (24V line).
• Remedy: Use SIM3-3 to check the operation of the saddle paper transport motor. Check connection from the control PWB to the motor. Replace the control PWB. Replace the sensor.

• 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.