Trouble Shooting
| Step | Cause | Solution | Parts |
| 1 | Develop unit defective. | Replace develop unit. | Develop unit (015-0204-21) |
| 2 | Main board defective. | Replace the main board MBA890. | Main board: AM7630i (004-3479A-9-SP) AM7640i (004-3479B-9-SP) AM5630i (004-3479C-9-SP) AM5640i (004-3479D-9-SP) |
