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Trouble Shooting
| Step | Cause | Solution | Parts |
| 1 | Paper gap sensor defective. | Replace the gap sensor SBA277 | Ultrasonic receiver broad(gap sensor) (004-3201-9-SP) |
| 2 | Bridge broad defective. | Replace the bridge board BBA70. | Bridge board (004-3203-9-SP) |
| 3 | Pick up motor defective. | Replace the pick up motor. | Pick up motor (065-0229-9-SP) |
| 4 | Feeding motor defective. | Replace the feeding motor. | Feeding motor (065-0222-9-SP) |
| 5 | Main broad defective. | Replace the main board MBA842. | Main board AD6090 (004-3272-9-SP) AD6090N (004-3272A-9-SP) |
