Samsung Xpress C1810 series - Error #U2-6122 Turn off then; Error #U2-6142 Turn off then

4.AlignmentandTroubleshooting
►ErrorCode
U2-6122
U2-6142
►Errormessage
Error#U2-6122Turnoffthenon
Error#U2-6142Turnoffthenon
►Symptom
LSUMotordoesnotworknormally./LSUHsyncsignalisabnormal.
►Troubleshootingmethod
1)CheckiftheLSUharnessonthemainboardisconnectedproperly.
2)IfitisOK,checkthattheLSUharnessonLSUboardisconnectedproperly.
3)CheckiftheLSUharnessisdefective.
4)Iftheproblempersists,replacetheLSU.
5)IftheproblempersistsafterreplacingLSU,replacethemainboard.
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