Samsung CLP-775ND Series - Page 116

4.AlignmentandTroubleshooting
►ErrorCode
S2–1523
►Errormessage
Error:#S2-1523/EngineSystemFailure:#S2-1523.Turnoffthenon.
►Symptom
TheLPECchiponmainboarddoesnotworknormally.
►Troubleshootingmethod
1)First,turnthemachineoffthenon.
2)Iftheproblempersists,replacethemainboard.
►ErrorCode
S2–4121
►Errormessage
DoorisopenorCheckTransferbelt.
►Symptom
FrontcoverorTopcoverisopen.
►Troubleshootingmethod
1)Closethefrontcoverandtopcoverperfectly.
2)IfthePTBunitisnotinstalled,installit.
3)CheckthecoverswitchharnessbetweenthemainboardandHVPSboard.
4)Checkthe24Venablesignalonthemainboard.Ifthevoltageishigh(5V),replacethemainboard.
5)Iftheproblempersists,replacetheSMPSboard.
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