Samsung SL–C1860FW - This IP Address Conflicts with that of Other System. Check It; Authentication Failed. Please Contact the System Administrator; Fuser Unit Failure #U1-2132: Turn off then on; Fuser Unit Failure #U1-2320: Turn off then on

4.AlignmentandTroubleshooting
►ErrorCode
S6–3123
S6–3128
►Errormessage
ThisIPaddressconictswiththatofothersystem.Checkit.
802.1xauthenticationfailed.PleaseContacttheSystemAdministrator.
►Symptom
IPaddressconictswiththatofothersystem.
►Troubleshootingmethod
1)Changethemachine’sIPaddress.
2)Checkthesetting-upfor802.1xconrmationserver.
►ErrorCode
U1–2132
U1–2315
U1–2320
U1–2330
U1–2334
U1–2340
U1–234H
►Errormessage
FuserUnitFailure#U1-2132:Turnoffthenon.
FuserUnitFailure#U1-2315:Turnoffthenon.
FuserUnitFailure#U1-2320:Turnoffthenon.
FuserUnitFailure#U1-2330:Turnoffthenon.
FuserUnitFailure#U1-2334:Turnoffthenon.
FuserUnitFailure#U1-2340:Turnoffthenon.
FuserUnitFailure#U1-234H:Turnoffthenon.
►Symptom
Thetemperaturecontroloffuserunitisabnormal.
►Troubleshootingmethod
1)Checkiftheinputvoltageisnormal.
2)Turnthemachineoff.Removeandreinstallthefuserunit.BecarefulwhenconnectingtheAC-connectorand
Thermistorconnector.
3)Turnthemachineon.Istheerrormessageisdisappeared?
4)Checkthefollowings.Ifthefuserunithasanyproblem,replaceit.
a)Checkifthefuserconnectorisconnectedproperly.
b)Checkifthehalogenlampvoltageisnormal.
c)Checkifthethermistoriscontaminatedortwisted.
5)Iftheproblempersists,replacethemainboardorSMPSboard.
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