Samsung CLX-8640 series

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4.Troubleshooting

►ErrorCode

S2–331C

►Errormessage

Calibrating...PleaseWait

►Symptom

PrintingJobisstoppedbecauseofhightemperatureinsidemachine.

►Troubleshootingmethod

1)Openthesidecover.Coolthemachine.Andclosethesidecover.

2)Iftheproblempersists,enterSVCmode.Executethetemperaturesensortest.

(Diagnostics>EngineDiagnostics>EngineTestRoutines>109-0013OuterT emperature)

3)Checkthetemperaturesensorconnection.IftheconnectionisOK,measuretheresistorvalueofthesensor.

4)Ifthevalueisnotin47.5KΩ~52.5KΩ(@25℃),replacethesensor(JC32–00015A)

5)IfthetemperaturesensorisOK,removetherearcover.

(Referto3.3.2RearCover.)

6)Replacethemainboard(JC92–02516A).

7)Assembletherearcover.Turnthemachineon.

Samsung CLX-8640 series - S2-331 C