Samsung SL-M4580FX - Page 175

4.Troubleshooting
►ErrorCode
C3–1312
►Errormessage
ImagingUnitFailure:#C3-1312.Installimagingunitagain.
►Symptom
Tonersensorisdefective.Themachinecan’tdetectthesensorsignalintheimagingunitnormally.
►Troubleshootingmethod
1)Installthegenuinesamsungimagingunit.
2)Iftheimagingunitisalreadyinstalled,checkthefollowing.
•Reinstallthetonercartridgeandimagingunit.
•CheckiftheCRUMconnectorisnormal.
•Turnthemachineoffthenon.
►ErrorCode
C3–1330
C3–1411
C3–1414
►Errormessage
ImagingUnitFailure:#C3-1330.Installimagingunitagain.
Imagingunitisnotinstalled.Installtheunit
ImagingUnitFailure:#C3-1414.Installimagingunitagain.
►Symptom
Theimagingunitisnotinstalledproperly.
►Troubleshootingmethod
1)Openthefrontcover.
2)Iftheimagingunitisnotinstalled,installit.Trytotestthemachineagain.
3)Iftheimagingunitisinstalled,removeit.Checkifthemodularjackiscontaminatedorbroken.
4)Cleanthemodularjackorreplacetheimagingunit.
5)IfitisOK,checktheCN22harnessconnectiononthemainboard.
6)Iftheharnessisdefective,replaceit.
7)Turnthemachineoffthenon.Trytotestthemachine.
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