Trouble Shooting
| Step | Cause | Solution | Parts |
| 1 | Feeding in roller defects. | Replace the feeding in roller (before lower CIS). | Feeding roller AD6090 (V1): (002-9906-0-SP) AD6090 (V2): (002-C258-0-SP) |
| 2 | Feeding roller defects. | Replace the feeding roller (after lower CIS). | feeding roller (002-9907-0-SP) |
| 3 | Feeding roller defects. | Replace the feeding roller (after upper CIS). | feeding roller (002-9908-0-SP) |
To recognize the difference from the outlook of AD6090
