• Code: 01
• Display: Data: off
  Ready: off
  Alarm: off
  Drum: on
• Description: Fuser Malfunction

• Code: 02
• Display: Data: off
  Ready: off
  Alarm: on
  Drum: off
• Description: Laser BD Malfunction

• Code: 03
• Display: Data: off
  Ready: off
  Alarm: on
  Drum: on
• Description: Scanner Malfunction

• Code: 04
• Display: Data: off
  Ready: on
  Alarm: off
  Drum: off
• Description: ROM Error

• Code: 05
• Display: Data: off
  Ready: on
  Alarm: off
  Drum: on
• Description: D-RAM Error

• Code: 06
• Display: Data: off
  Ready: on
  Alarm: on
  Drum: off
• Description: Service A (Address Error)

• Code: 07
• Display: Data: off
  Ready: on
  Alarm: on
  Drum: on
• Description: Service B (Bus Error)

• Code: 08
• Display: Data: on
  Ready: off
  Alarm: off
  Drum: off
• Description: Service C