Error Code; Error Message; Error #A1-1110 Turn Off Then On - Samsung SCX-472 series Service Manual

4. Alignment and Troubleshooting

► Error Code

A1–1110

► Error message

Error #A1-1110 Turn off then on

► Symptom
After working the main BLDC motor, the Ready signal has not occurred within 1 sec.
► Troubleshooting method
※ First, turn the machine off then on. If the error persists, refer to the following.
1) Check if the motor connector on the main board is connected properly. Reconnect it.
2) OPC coupler has overloaded. After removing the toner cartridge, rotate the OPC coupler. (Spec : 6 kgf.cm) If there
is any damage, the OPC coupler can't rotate well. Replace the toner cartridge.
3) The main BLDC motor is defective.
- Unplug the connector from the motor carefully.
- Replace the main BLDC motor with new one.
4) If the problem persists, replace the main board.
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