LED
Trouble Shooting
| Step | Cause | Solution | Parts |
| 1 | ADF roller defects. | Replace the ADF roller. | ADF roller (002-9839-0-SP) |
| 3 | Paper in sensor defects. | Replace the bridge board BBA92(AV332) or BBA76(AV332U). <Video> | Bridge board AV332 (004-3370-9-SP) AV332U (004-3250-9-SP) |
| 4 | ADF motor defects. | Replace the ADF motor. <Video> | ADF motor (002-9819-0-SP) |
| 5 | Main broad defects. | Replace the main board MBA942. <Video> | Main Board AV332 (004-3605-9-SP) AV332U (004-3605A-9-SP) |
