Trouble Shooting
| Steps | Cause | Solution | Parts |
| 1 | Charger malfunctioned or corona wire broken. | Replace the drum unit. <Video Link> | Drum unit (015-0275-22) |
| 2 | The high-voltage power board is faulty | Replace the Power Supply Board. <Video Link> | Power Supply (005-3134-9-SP) |
| 3 | Main board malfunctioned. | Replace the main board MBA795 <Video Link> | Main board (004-3055-9-SP) |
