• Code: E590-8001
• Description: There is a punch motor error. (punch unit)
  The punch home position sensor is not detected even when the punch motor has been driven for 200 msec.
• Remedy: - Check the punch home position sensor, horizontal registration motor, and punch driver PCB; thereafter, turn off and then back on the main power.

• Code: E590-8002
• Description: There is a punch motor error. (punch unit)
  The puncher does not detect the punch home position sensor while the motor is at rest at time of punch motor initialization.
• Remedy: - Check the punch home position sensor, horizontal registration motor, and punch driver PCB; thereafter, turn off and then back on the main power.

• Code: E591-8001
• Description: There is a punch dust sensor error. (punch unit)
  The incoming light voltage is faulty in the presence of light.
• Remedy: - Turn off and then back on the main power.

• Code: E591-8002
• Description: There is a punch dust sensor error. (punch unit)
  The incoming light voltage is faulty in the absence of light.
• Remedy: - Turn off and then back on the main power.

• Code: E592-8001
• Description: There is a punch horizontal registration sensor error. (punch unit)
  The incoming light voltage is faulty in the presence of light. (trailing edge sensor)
• Remedy: - turn off and then back on the main power.

• Code: E592-8002
• Description: There is a punch horizontal registration sensor error. (punch unit)
  The incoming light is faulty in the absence of light and voltage. (trailing edge sensor)
• Remedy: - turn off and then back on the main power.

• Code: E592-8003
• Description: There is a punch horizontal registration sensor error. (punch unit)
  The incoming light voltage is faulty in the presence of light. (horizontal registration sensor 1)
• Remedy: - turn off and then back on the main power.

• Code: E592-8004
• Description: There is a punch horizontal registration sensor error. (punch unit)
  The incoming light voltage is faulty in the absence of light. (horizontal registration sensor 1)
• Remedy: - turn off and then back on the main power.