Service manual

4. Alignment and Troubleshooting
Service Manual
ML-551x / 651x series
4-70
Samsung Electronics
 Code
H2-1200
 Error message
Paper jam inside of fi nisher. Remove paper
 Symptom / Cause
Finisher Exit Sensor doesn’t turn on after a paper entered Finisher.
IOT Exit Roller grabs the paper. Or Finisher Feeding Motors Stopped. Or Finisher Exit Sensor damaged or harness
damaged. Or Finisher Main Board damaged
 Troubleshooting method
1. Check Jam Occurrence in IOT.
- If the IOT roller is grabbing the paper, it’s IOT
fault.
2. Check the Main Board Harness Connection.
3. Check Finisher Exit Sensor operation & harness
connection.
4. Check Finisher Feeding Entrance Motor Harness
Connection and operation.
5. Check Finisher Feeding Exit Motor Harness
Connection and 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.