• Code: E584-0002
• Description: Shutter unit error (Finisher-Q3/ Q4)
  The shutter open sensor does not go on (i.e., the shutter does not open).
• Remedy: Check the stack edging motor. Check the open/ close clutch. Check the shutter home position sensor. Replace the finisher controller PCB.

• Code: E590-0001
• Description: Punch motor error
  The punching home position is not detected even when the puncher motor has been driven for 20 msec.
• Remedy: Check the punch motor. Check the punch motor clock sensor. Check the punch driver PCB. Replace the finisher controller PCB.

• Code: E590-0002
• Description: Punch motor error
  The punch home position sensor is not defected even after the motor has stopped at time of punch motor initial operation.
• Remedy: Check the punch motor. Check the punch motor clock sensor. Check the punch driver PCB. Replace the finisher controller PCB.

• Code: E591-0001
• Description: Punch dust sensor error
  Error in light-receiving voltage while light is emitted
• Remedy: Check the waste paper case full sensor. Check the punch driver PCB. Replace the finisher controller PCB.

• 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: Power trailing edge sensor/ registration sensor
  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.