• 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. Replace the saddle paper folding positioning guide drive motor. Replace the finisher control PWB. Replace the home position sensor. Check connection of the connector and the harness.

• 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 paper alignment motor. Replace the saddle alignment motor. Replace the finisher control PWB. Replace the home position sensor. Check connection of the connectors and the harness.

• 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. Replace the saddle staple motor. Replace the finisher control PWB. Replace the home position sensor. Check connection of the connectors and the harness.

• 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. Replace the saddle paper transport motor. Replace the finisher control PWB. Check connection of the connectors and the harness. Replace the fuse.

• 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.

• Code: F2-22
• Description: Discharge lamp trouble (K)
  A trouble is detected when the discharge lamp open sensor is open for 1 sec after turning ON the discharge lamp.
• Causes: Contact trouble between the discharge lamp PWB (K) and the PCU PWB. Discharge lamp PWB (K) trouble. PCU PWB trouble.
• Remedy: Replace the discharge lamp PWB (K). Check the harness and the connector. Replace the PCU PWB.

• Code: F2-23
• Description: Discharge lamp trouble (C)
  A trouble is detected when the discharge lamp open sensor is open for 1 sec after turning ON the discharge lamp.
• Causes: Contact trouble between the discharge lamp PWB (C) and the PCU PWB. Discharge lamp PWB (C) trouble. PCU PWB trouble.
• Remedy: Replace the discharge lamp PWB (C). Check the harness and the connector. Replace the PCU PWB.