Samsung Xpress C480 Series

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4.AlignmentandTroubleshooting

•Checkifthefuserismelted.

-Procedure

a)Removethefuserunitfromtheset.

b)Checkifthefusergear,bush,rolleraremelted.Ifyes,replacethefuserunit.

-Ifthefuserismeltedbutthethermostat,thermistor,andheaterarenormal,checkthesurfaceofthe

thermistor.

a)Ifthesurfaceofthethermistorisdefective,replacethefuserunit.

b)Ifthesurfaceofthethermistorisnormal,replacethefuserunit,SMPSboard,andmainboardall

together.

5)Checkiftheinputvoltageisnormal.

6)Ifthecheckitemforstep1~5isnormal,replacethefuserunit.

Samsung Xpress C480 Series - Page 129