Service manual

4. Alignment and Troubleshooting
Service Manual
ML-551x / 651x series
4-47
Samsung Electronics
3. Deve BLDC motor is defective.
- Replace the BLDC motor with new one.
4. Engine Board is defective.
- Unplug all connectors.
- Replace the Engine board with new one after removing 4 screws.
Remove all the connectors.Remove all the connectors.