Error Code; Error Message; Error: #A1-1110 Turn Off Then On - Samsung ProXpress 402 Series Service Manual

4. Troubleshooting

► Error Code

A1–1110

► Error message

Error #A1-1110: Turn off then on.
► Symptom
Harness or main BLDC motor or main board is defective. / OPC coupler in the toner cartridge(or imaging unit) has
overloaded.
► Troubleshooting method
1) Turn the machine off then on. If the error persists, refer to the following.
2) Remove the right cover.
3) Check if the motor connector on main board is connected properly. Reconnect it.
4) OPC coupler has overloaded. After removing the toner cartridge/imaging unit, rotate the OPC coupler.
If there is any damage, the OPC coupler can't rotate well. Replace the toner cartridge/imaging unit.
5) Remove the left cover.
6) Remove the main drive unit. (Refer to 3.3.9)
7) The main BLDC motor is defective.
a) Unplug the connector from the motor carefully.
b) Replace the main BLDC motor (JC31-00075A)with new one.
8) If the problem persists, replace the main board.
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