• Code: E591-0002
• Description: Punch dust sensor error
  Error in light-receiving voltage while light is not emitted
• Remedy: Check the waste paper case full sensor. Check the punch driver PCB. Replace the finisher controller PCB.

• Code: E592-0001
• Description: Paper trailing edge sensor/ horizontal sensor error
  Error in light-receiving voltage when light is emitted (trailing edge sensor)
• Remedy: Check the paper trailing edge sensor. Check the horizontal registration sensor. Check the punch driver PCB. Replace the finisher controller PCB.

• Code: E592-0002
• Description: paper trailing edge sensor/ registration sensor error
  Error in light-receiving voltage when light is not emitted (trailing edge sensor)
• Remedy: Check the paper trailing edge sensor. Check the horizontal registration sensor. Check the punch drive PCB. Replace the finisher controller PCB.

• Code: E592-0003
• Description: paper trailing edge sensor/ registration sensor error
  Error in light-receiving voltage when light is emitted (horizontal registration sensor 1)
• Remedy: Check the paper trailing edge sensor. Check the horizontal registration sensor. Check the punch driver PCB. Replace the finisher controller PCB.

• Code: E592-0004
• Description: Paper trailing edge sensor/ registration sensor error
  Error in light-receiving voltage when light is not emitted (horizontal registration sensor 1)
• Remedy: Check the paper trailing edge sensor. Check the horizontal registration sensor. Check the punch driver PCB. Replace the finisher controller PCB.

• Code: E592-0005
• Description: Paper trailing edge sensor/ registration sensor error
  Error in light-receiving voltage when light is emitted (horizontal registration sensor 2)
• Remedy: Check the paper training edge sensor. Check the horizontal registration sensor. Check the punch driver PCB. Replace the finisher controller PCB.

• Code: E592-0006
• Description: Paper trailing edge sensor/ registration sensor error
  Error in light-receiving voltage when light is not emitted (horizontal registration sensor 2)
• Remedy: Check the paper training edge sensor. Check the horizontal registration sensor. Check the punch driver PCB. Replace the finisher controller.

• Code: E592-0007
• Description: Paper trailing edge sensor/ registration sensor error
  Error in light-receiving voltage when light is emitted (horizontal registration sensor 3)
• Remedy: Check the paper trailing edge sensor. Check the horizontal registration sensor. Check the punch driver PCB. Replace the finisher controller PCB.