Samsung MultiXpress K7 Series - Poor Fusing Performance

4.Troubleshooting
4.7.10.Poorfusingperformance
A.Typicalfaultyimages
B.Troubleshootingprocedure
StepCheckitemAction
1Checkthepapertype.
Dependingonwhattypeofpaperused,printspeedwill
vary.
(ex)
-Plain(71~90g/),Thick(91~105g/):100%
-Heavyweight(106~175g/):50%
-Envelope(75~90g/),Label(120~150g/):50%
Checkthepapertypeoncontrolpanelissameaspaper
useruses.
2Thefuserunitiswornout.Replacethefuserunit.
3Checkifthesurfaceofthefuserbelt&pressureroller
isscratched.
Replacethefuserunit.
4Checkifthetemperaturecontrolsystemhasproblems.
-Thermistorisbrokenoroperatesabnormally
–Halogenlampisbrokenoroperatesabnormally.
ChecktheNon-contactthermistorsensor.
ChecktheHalogenlamp.
Ifyoundsomeproblems,replacethebrokenpartsor
Fuserunit.
5Checkifthepressurecontrolsystemoperatesproperly.Checkthepressurecontrolsystem.
Theproblempersists,replaceFuserunit.
6PaperiswrappedontheHeatingroller.Removeawrappedpaperandprintthedemopage.
Iftherearesomeproblemsontheprintout,replaceFuser
unit.
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