Trouble Shooting
| Steps | Cause | Solution | Parts |
| 1 | Toner Cartridge lifetime ends. | Replace the new toner cartridge unit. <Video Link> | Toner (015-0273-22) |
| 2 | Scratches or dirt on the fuser. | Replace the fuser. | 220V Fuser (002-7476-0-SP) 110V Fuser (002-7536-0-SP) |
| 3 | LSU malfunctioned. | Replace the LSU unit. | LSU unit (002-8794-0-SP) |
