• Code: F0-77
• Description: Folding unit transport motor section abnormality (FLM11)
  The folding and transport operations of the folding unit are abnormal
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector.
• Remedy: Use SIM3-41 to check the operation of the folding unit transport motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor.

• Code: F0-80
• Description: Finisher power cooling fan motor abnormality (FNFAN101)
  The operation of the cooling fan in the power unit section of the finisher is abnormal.
• Causes: Motor lock, motor harness short/open, control PWB trouble, disconnection of harness or connector.
• Remedy: Check connection from the control PWB to the fan motor. Replace the control PWB. Replace the fan motor.

• Code: F0-81
• Description: Finisher upper tray fan abnormality (FNFAN103)
  The operation of the cooling fan in the upper tray of the finisher is abnormal.
• Causes: Motor lock, motor harness short/open, control PWB trouble, disconnection of harness or connector.
• Remedy: Use SIM3-3 to check the operation of the upper tray fan. Check connection from the control PWB to the fan motor. Replace the control PWB. Replace the fan motor.

• Code: F0-82
• Description: Finisher lower tray fan abnormality (FNFAN104)
  The operation of the cooling fan in the lower tray of the finisher is abnormal.
• Causes: Motor lock, motor harness short/open, control PWB trouble, disconnection of harness or connector.
• Remedy: Use SIM3-3 to check the operation of the lower tray fan. Check connection from the control PWB to the fan motor. Replace the control PWB. Replace the fan motor.

• Code: F0-83
• Description: Finisher paper guide motor section abnormality (FNM120)
  The operation of the paper lead edge guide unit at the paper exit port of the finisher is abnormal.
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown.
• Remedy: Use SIM3-3 to check the operation of the paper guide motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-84
• Description: Finisher grip section abnormality (FNM116)
  The bundle grip operation when discharging paper bundle from the staple compiler of the finisher is abnormal.
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown.
• Remedy: Use SIM3-3 to check the operation of the gripper motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-86
• Description: Finisher discharged paper hold motor section abnormality (FNM118)
  The operation of the paper hold lever at the paper exit port of the finisher is abnormal.
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown.
• Remedy: Use SIM3-3 to check the operation of the discharged paper hold motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-90
• Description: Communication trouble between the stacker second series and the downstream units.
  Communication trouble with a downstream unit
• Causes: Communication trouble with the stacker and the downstream unit of the stacker Stacker unit ID setting failure (Setting failure of the DIP switch on the control PWB), noises on the communication line, control PWB trouble, connector connection failure, harness breakage, disconnection of an AC cable to a downstream unit
• Remedy: Turn OFF/ON the power. Check connection between the stacker and the downstream unit of the stacker. Replace the control PWB of the downstream unit of the stacker.