Trouble Shooting
| Step | Cause | Solution | Parts |
| 1 | Deskew sensor board malfunctioned. | Replace SBA234. | Deskew sensor (004-2714-9-SP) |
| 2 | IFA98 fail or cable loosen. | Replace IFA98 broad. | IFA98 board (004-2785-9-SP) |
| 3 | Main board malfunctioned. | Replace the main board MBA795 <Video Link> | Main broad (004-3055-9-SP) |
