Samsung Xpress M2022W - Page 74

4.AlignmentandTroubleshooting
►ErrorCode
U1–2320
U1–2330
U1–2340
►Errormessage
FuserUnitFailure#U1-2320:Turnoffthenon.
FuserUnitFailure#U1-2330:Turnoffthenon.
FuserUnitFailure#U1-2340:Turnoffthenon.
►Symptom
Thetemperaturecontroloffuserunitisabnormal.(U1–2320:OpenHeatError/U1–2330:LowHeatError/U1–2340
:OverHeatError)
►Troubleshootingmethod
1)Turnthemachineoff.Re-installthefuserunit.Thenturnthemachineon.Istheerrormessageisdisappeared?
2)Iftheproblempersists,turnthemachineoffandremovethefuserunit.
a)Checkifthefuserconnectorisconnectedproperly.
b)Checkiftheinputvoltageisnormal.
c)Checkifthethermistoristwistedorcontaminated.
3)Afterconrmingcontinuityinthefuserconnectorandtheproblemstillexists;orderanSMPS/HVPSandFuser
Unitandinstallasisnecessary.
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