• Code: E500-0000
• Description: Communication error
  Communication between the controller of the connected device and the Finisher Controller is suspended.
• Remedy: 1. The finisher controller PCB is faulty. 2. The host machine DC Controller PCB (UN1) is faulty.

• Code: E500-0001
• Description: Communication error
  Communication between the controller of the connected device and the Finisher Controller is suspended.
• Remedy: 1. The finisher controller PCB is faulty. 2. The host machine DC Controller PCB (UN1) is faulty.

• Code: E503-0002
• Description: Communication error
  Communication between the Saddle Controller and the Finisher Controller is suspended.
• Remedy: 1. The wiring between the finisher controller PCB and saddle controller PCB is faulty. 2. The finisher controller PCB is faulty. 3. The saddle stitcher controller PCB is faulty.

• Code: E503-0003
• Description: Communication error
  Communication between the Punch Controller and the Finisher Controller is suspended.
• Remedy: 1. The wiring between the finisher controller PCB and host machine DC Controller PCB (UN1) is faulty. 2. The punch controller PCB is faulty. 3. The finisher controller PCB is faulty. 4. The host machine DC Controller PCB (UN1) is faulty.

• Code: E505-0001
• Description: EEPROM error
  The checksum for the finisher controller EEPROM data has an error.
• Remedy: Failure of Finisher Controller PCB.

• Code: E505-0002
• Description: EEPROM error
  The checksum for the punch controller EEPROM data has an error.
• Remedy: 1. Failure of Punch Controller PCB.

• Code: E509-0001
• Description: The combination error of the host machine and finisher
  The unconformed finisher is equipped with the host machine.
• Remedy: 1. The miss-combination of the host machine and finisher 2. The finisher controller PCB is fault. 3. The host machine controller PCB is faulty.

• Code: E514-8001
• Description: Rear end assist home position error
  The stapler does not leave the rear end assist home position when the rear end assist motor has been driven for 3 seconds.
• Remedy: 1. The rear end assist home position sensor (PI109) is faulty. 2. The wiring between the finisher controller PCB and rear end assist motor is faulty. 3. The end assist mechanism is faulty. 4. The rear end assist motor (M109) is faulty. 5. The finisher controller PCB is faulty.