• Code: E590-8001
• Description: Punch home position error
  The puncher does not detect the punch home position sensor when the puncher motor has been driven for 20 msec.
• Remedy: 1. The punch home position sensor and punch motor clock sensor is faulty. 2. The wiring between the punch controller PCB and sensor is faulty. 3. The punch mechanism is faulty. 4. The puncher motor is faulty. 5. The punch controller PCB is faulty. 6. The finisher controller PCB is faulty.

• Code: E590-8002
• Description: Punch home position error
  After the motor has been stopped at time of punch motor initialization, the puncher does not detect punch home position sensor.
• Remedy: 1. The punch home position sensor and punch motor clock sensor is faulty. 2. The wiring between the punch controller PCB and sensor is faulty. 3. The punch mechanism is faulty. 4. The puncher motor is faulty. 5. The punch controller PCB is faulty. 6. The finisher controller PCB is faulty.

• Code: E591-8001
• Description: Scrap full detection error
  The voltage of the light received is 3.0 V or less even when the light emitting duty of the scrap full detector sensor has been increased to 66% or more.
• Remedy: 1. The wiring between the scrap full detector PCB and punch controller PCB is faulty. 2. The scrap full detector PCB is faulty. 3. The punch controller PCB is faulty. 4. The finisher controller PCB is faulty."

• Code: E591-8002
• Description: Scrap full detection error
  The voltage of the light received is 2.0 V or more even when the light emitting duty of the scrap full detector sensor has been decreased to 0%.
• Remedy: 1. The scrap full detector PCB is faulty. 2. The punch controller PCB is faulty. 3. The finisher controller PCB is faulty.

• Code: E592 8003
• Description: Horizontal registration sensor 1 error
  The voltage of the light received is 2.5 V or less even when the light emitting duty of the horizontal registration sensor 1 (LED1,PTR1) has been increased to 66% or more
• Remedy: 1. The wiring between the LED PCB/photosensor PCB and punch controller PCB is faulty. 2. The LED PCB and photosensor PCB is faulty. 3. The punch controller PCB is faulty. 4. The finisher controller PCB is faulty.

• Code: E592-8001
• Description: Trailing edge sensor error
  The voltage of the light received is 3.0 V or less even when the light emitting duty of the trailing edge sensor (LED5,PTR5) has been increased to 66% or more.
• Remedy: 1. The wiring between the LED PCB/photosensor PCB and punch controller PCB is faulty. 2. The LED PCB and photosensor PCB is faulty. 3. The punch controller PCB is faulty. 4. The finisher controller PCB is faulty."

• Code: E592-8002
• Description: Trailing edge sensor error
  The voltage of the light received is 2.0 V or more even when the light emitting duty of the trailing edge sensor has been decreased to 0%.
• Remedy: 1. The LED PCB and photosensor PCB is faulty. 2. The punch controller PCB is faulty. 3. The finisher controller PCB is faulty."

• Code: E592-8004
• Description: Horizontal registration sensor 1 error
  The voltage of the light received is 2.0 V or more even when the light emitting duty of the horizontal registration sensor 1 (LED1,PTR1) has been decreased to 0%.
• Remedy: 1. The LED PCB and photosensor PCB is faulty. 2. The punch controller PCB is faulty. 3. The finisher controller PCB is faulty.