• 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 punch Controller PCB is faulty. 2. The punch controller PCB is faulty. 3. The finisher controller PCB is faulty. 4. The host machine DC Controller PCB is faulty.

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

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

• 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.

• Code: E514-8002
• Description: Rear end assist home position error
  The stapler does not return to 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

• Code: E520-0001
• Description: Shift Motor fails to move from HP
  At initial rotation, when the Motor rotates for specified period of time and cannot move from HP, it is detected as an error if the same symptom occurs again after the first retry.
• Remedy: 1. Check if the Motor (M4) Connector is physically removed. 2. Check if the Motor failure occurs. 3. Check if the Shift Roller HP Sensor (S2) Connector is physically removed. 4. Check if the Shift Roller HP Sensor (S2) failure occurs.

• Code: E520-0002
• Description: Shift Motor fails to return to HP
  At initial rotation, when the Motor rotates for specified period of time and cannot return to HP, it is detected as an error if the same symptom occurs again after the first retry.
• Remedy: 1. Check if the Motor (M4) Connector is physically removed. 2. Check if the Motor failure occurs. 3. Check if the Shift Roller HP Sensor (S2) Connector is physically removed. 4. Check if the Shift Roller HP Sensor (S2) failure occurs.

• Code: E530-8001
• Description: Front aligning plate home position error
  The aligning plate does not leave the aligning plate front home position sensor when the alignment plate front motor has been driven for 4 seconds.
• Remedy: 1. The front aligning plate home position sensor (PI106) is faulty. 2. The wiring between the finisher controller PCB and front aligning plate motor is faulty. 3. The front aligning plate is faulty. 4. The front aligning plate motor (M103) is faulty. 5. The finisher controller PCB is faulty.