Samsung SCX-4728FD - Basic Check List

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4.AlignmentandTroubleshooting

4.2.1.1.BasicCheckList

1)CheckthePower.

•Checkthatthepowerswitchisturnedon.

•Checkthatthepowercableispluggedintotheoutletandtheprinter.

•Checkthevoltageofthepoweroutlet.

2)ChecktheLEDofPanel.

•IsthereOPELEDON?

›Ifnotcheckpowercable,switchSMPSorMainboard.

•IstheabnormalLamp?

›ChecktheMainboardandcableharness.

3)CheckthePaperPath

•IsthereaPaperJam?

›Removeanypaperfragmentscaughtinthepaperpath.

•PaperJamoccursrepeatedlyataspecicpointinthePaperPath

›Openthefusercover,Jamclear.

›Dismantlethemachineandcarefullyinspecttheregionwherethejamoccurs.

(Especially,checkifpaperfragmentsarecaughtintheFuser

4)PrinttheInformationPage(Conguration).

•Tryprintingatestpagefromacomputer.

›Ifthereisanerrorcheckcablesanddriverinstallation.

5)CheckthePrintQuality.

•IsthereareaPrintQualityProblem?

›Refertoimagequalityproblemsection.

6)Checkconsumables(toneretc.).

•UsingthekeysprinttheTestPattern.

›Expectedlifeofvariousconsumableparts,comparethiswiththeguresprintedandreplaceasrequired

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