Trouble Shooting
| Steps | Cause | Solution | Parts |
| 1 | Use the wrong toner cartridge (using another toner model). | Replace the new toner cartridge. <Video Link> | Toner (015-0273-22) |
| 2 | The life of the drum unit will be exhausted | Replace with a new drum unit. <Video Link> | Drum unit (015-0275-22) |
| 3 | The power supply failure (GRID voltage is too low). | Replace the power supply | 220V Power supply (005-3134-9-SP) |
