• Code: E422-0001
• Description: The IPC communication has an error. The communication line has an open circuit. The ADF controller PCB is faulty.
  While the machine is in standby, the communication with the host machine has been interrupted for 5 secs or more. or, while the machine is in operation, the communication with the host machine has been interrupted for 0.5 sec or more.

• Code: E500-0001
• Description: The finisher controller PCB is faulty. The DC controller PCB is faulty.
  The communication between the host machine and the finisher has been interrupted; this error is detected by the host machine.

• Code: E503-0002
• Description: The saddle stitcher controller PCB is faulty. The finisher controller PCB is faulty.
  The communication between the saddle stitcher controller PCB and the finisher controller PCB has been interrupted.

• Code: E504-0001
• Description: The height sensor (PS1) is faulty. The finisher controller PCB is faulty.
  Communication between the height sensor and the finisher controller PCB is not possible, or communication data has an error.

• Code: E504-0002
• Description: The height sensor (PS1) is faulty. The finisher controller PCB is faulty.
  Communication between the height sensor and the finisher controller PCB is not possible for a specific period of time.

• Code: E504-0003
• Description: The height sensor (PS1) is faulty. The finisher controller PCB is faulty.
  At time of power-on, the connector of the height sensor is found to be disconnected.

• Code: E504-0004
• Description: The height sensor (PS1) is faulty. The finisher controller PCB is faulty.
  When the height sensor is being adjusted using the DIP switch, an error occurred during the adjustment.

• Code: E505-0001
• Description: The EEPROM is faulty. The finisher controller PCB is faulty. The puncher driver PCB is faulty.
  When the power switch is turned on, the check sum of the EEPROM on the finisher controller PCB is found to have an error.