Trouble Shooting
| Steps | Cause | Solution | Parts |
| 1 | OPC (Organic Photo Conductor) of drum unit worn out. | Replace with a new drum unit. <Video Link> | Drum unit (015-0275-22) |
| 2 | The toner cartridge is running out of life | Replace the new toner cartridge. <Video Link> | Toner (015-0273-22) |
| 3 | The transfer roller voltage is incorrect | Replace the power supply <Video Link> | 220V Power supply (005-3134-9-SP) |
