Trouble Shooting
| Step | Cause | Solution | Parts |
| 1 | Deskew sensor failed. | Replace SBA234 board. | Deskew sensor (004-2714-9-SP) |
| 2 | IFA99 board failed. | Replace IFA99 board. <Video Link> | IFA99 board (004-2785-9-SP) |
| 3 | IFA98 board failed. | Replace IFA98 board. | IFA98 board (004-2786-9-SP) |
| 4 | Main board malfunctioned. | Replace the main board MBA795 <Video Link> | Main board (004-3055-9-SP) |
