Samsung SL-M4580FX - Page 217

4.Troubleshooting
►ErrorCode
U1–2316
U1–2317
U1–2320
U1–2321
U1–2323
U1–2332
U1–2339
U1–2341
U1–2342
U1–2343
U1–234H
►Errormessage
FuserunitFailure:#U1-2xxx.Turnoffthenon.Callforserviceiftheproblempersists
►Symptom
Thetemperaturecontroloffuserunitisabnormal.(OpenHeatErrororLowHeatErrororOverHeatError)/Thermistor
isdefective./Fuserunitconnectionisbad.
►Troubleshootingmethod
CAUTION
Thetemperaturegetshotaroundthefuserunit.Topreventburns,makesurethefuserunitareaiscoolbefore
performingthisprocedure.
1)Aftercheckingthefuserinstallation,turnthemachineoffthenon.
2)Opentherearcover.Liftuptherightsideandreleasetherearcover.
3)Ifthereisnoproblem,remove4screws.
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