Service manual

4. Alignment and Troubleshooting
Service Manual
ML-551x / 651x series
4-46
Samsung Electronics
 Code
A1-3110
 Error message
Actuator Motor Failure #A1-3110
 Symptom / Cause
After working the Deve BLDC motor, the Ready signal has not occurred within 1 sec.
1. Harness is defective. Connector is not connected properly.
2. Mag. Roller is overloaded.
3. Deve BLDC motor is defective.
4. Engine board is defective.
 Troubleshooting method
叛First, turn the machine off then on. If the error persists, refer to the following.
1. Check if the connector is connected properly. Reconnect it.
Check the connectorCheck the connector
2. Mag roller in the imaging unit is overloaded.
- Rotate the Mag roller. If there is any damage, the Mag roller can’t be rotated well.
(Spec : 4kgf.cm)
Replace the imaging unit.
Mag roller (Spec : 4kgf.cm)