• Code: E505-0001
• Description: EEPROM error
  The checksum for the EEPROM data has an error.
• Remedy: Replace the finisher 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: E517-0001
• Description: Decurler HP detection error (at intrusion amount control)
  The HP was not detected within the specified period of time (2 seconds) since the start of the decurler HP detection.
• Remedy: 1. Check that the cam of the Decurler Roller is installed properly. 2. Replace the Decurler Motor. 3. Replace the Buffer Driver PCB. 4. Replace the DC Controller PCB.

• Code: E519-0002
• Description: Gear change home position error
  The gear change home position sensor does not turn ON when the gear change motor has been driven for 387 pulses.
• Remedy: 1. The gear change home position sensor (PI117) is faulty. 2. The wiring between the finisher controller PCB and gear change motor is faulty. 3. The gear change mechanism is faulty. 4. The gear change motor (M110) is faulty. 5. The finisher controller PCB is faulty.

• Code: E519-8001
• Description: Gear change home position error
  The gear change home position sensor does not turn OFF when the gear change motor has been driven for 387 pulses.
• Remedy: 1. The gear change home position sensor (PI117) is faulty. 2. The wiring between the finisher controller PCB and gear change motor is faulty. 3. The gear change mechanism is faulty. 4. The gear change motor (M110) 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. Replace the Motor. 3. Check if the Shift Roller HP Sensor (S2) Connector is physically removed. 4. Replace the Shift Roller HP Sensor (S2).

• 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. Replace the Motor. 3. Check if the Shift Roller HP Sensor (S2) Connector is physically removed. 4. Replace the Shift Roller HP Sensor (S2).