• Code: F0-53
• Description: Trimmer inlet port separation 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 trimmer inlet port separation motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-54
• Description: Trimmer paper exit separation 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 trimmer paper exit separation motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-55
• Description: Trimmer bundle press 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 trimmer bundle press motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part.

• Code: F0-56
• Description: Paper remaining trouble in the trimmer
• Causes: Trimmer inlet port sensor breakdown The paper bundle is bent and cannot be transported.
• Remedy: Use SIM3-3 to check the operation of the trimmer transport motor. Check connection from the control PWB to the motor and the sensor. Replace the control PWB, the motor, and the sensor part. Check the paper bundle can be transported or not.

• Code: F0-70
• Description: Communication trouble between the finisher and the folding unit
• Causes: Noise on the communication line, control PWB trouble, disconnection of connector or harness.
• Remedy: Turn OFF/ON the power. Check connection between the finisher and the folding unit. Replace the control PWB of the folding unit.

• Code: F0-71
• Description: Folding unit lead edge holding 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 folding unit lead edge holding 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: F0-72
• Description: Folding unit backup RAM trouble
• Causes: Folding unit control PWB trouble, EEPROM chip breakdown.
• Remedy: Replace the folding unit control PWB.

• Code: F0-73
• Description: Folding unit power supply fan 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.