Trouble Shooting
| Steps | Cause | Solution | Parts |
| 1 | Drum unit near end of life. | Replace the new drum unit. <Video Link> | Drum unit (015-0275-22) |
| 2 | Poor contact of toner cartridge. | Replace the new toner cartridge unit. <Video Link> | Toner (015-0273-22) |
| 3 | Dirt or scratch on fuser. | Replace the fuser. | 220V Fuser (002-7476-0-SP) 110V Fuser (002-7536-0-SP) |
| 4 | The power supply is faulty. | Replace the power supply <Video Link> | 220V Power supply (005-3134-9-SP) |
| 5 | Transfer roller did not rotate well. | Replace transfer roller | Transfer roller (057-1680-0-SP) |
