Service manual

4. Alignment and Troubleshooting
Service Manual
ML-551x / 651x series
4-68
Samsung Electronics
 Code
H2-1101
 Error message
Paper jam in front of fi nisher. Remove paper
 Symptom / Cause
Paper doesn’t reach Finisher’s Entrance Sensor.
Paper jam in IOT. Or Finisher Diverter operation not well. Or IOT Defl ector Damaged. Or Finisher Entrance Sensor
not working (Finisher Entrance Sensor Damaged, Harness connection not well, Main Board damaged)
 Troubleshooting method
1. Check Jam Occurrence in IOT.
2. Check IOT Defl ector part’s operation.
3. Check the Main Board Harness Connection.
4. Check Finisher’s Entrance operation & harness
connection
5. Referring to H2-1800, Check the Finisher Diverter
operation.
6. If the same problem happens after checking 1~5,
Replace the Finisher main board.
7. If the same problem happens after checking 6,
replace the Finisher harnesses.