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Trouble Shooting
| Step | Cause | Solution | Parts |
| 1 | Pick up roller defective. | Replace the pick up roller. | Pick up roller V1-Old (002-9894-0-SP) V2-New (002-C041-0-SP) |
| 2 | Paper in sensor or tray sensor broad defective. | Replace the paper in sensor SBA204. | Paper in sensor (004-2375-9-SP) |
| 3 | Main broad defective. | Replace the main board MBA842. | Main board AD6090 (004-3272-9-SP) AD6090N (004-3272A-9-SP) |
To recognize the difference from the outlook of AD6090
