• Code: F0-74
• Description: Folding unit folding tray paper exit motor trouble
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown.
• Remedy: Use SIM3-3 to check the operation of the folding unit folding tray paper exit motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-75
• Description: Folding unit upper stopper motor trouble
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown.
• Remedy: Use SIM3-3 to check the operation of the folding unit upper stopper motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-76
• Description: Folding unit 3-fold stopper motor trouble
• Causes: Motor lock, control PWB trouble, disconnection of harness or connector, HP sensor breakdown.
• Remedy: Use SIM3-41 to check the operation of the 3-fold stopper motor in the folding unit. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-77
• Description: Folding unit transport motor trouble
• 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, and the sensor part.

• Code: F0-80
• Description: Finisher power cooling fan motor trouble
• 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 trouble
• 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 trouble
• 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 trouble
• 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.