Samsung CLX-8640 series - Page 428

4.Troubleshooting
8)Poorfusingperformance
StepSectionCheckitemResultAction
1PaperCheckthepapertype.NoSetthepapertypeoncontrolpanel.
2Thefuserunitiswornout.YesReplacethefuserunit.
3Checkifthesurfaceofthefuserbelt&
pressurerollerisscratched.
YesReplacethefuserunit.
4Checkiftheheatrollercontroltemperature
istoohighorlow.
NoChecktheNCSensor.
5
FuserUnit
Checkresistanceofbothheatinglamps.YesChangetheheatinglamp.
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