Samsung MultiXpress K7 Series - Page 430

4.Troubleshooting
►ErrorCode
U3–4210
►Errormessage
Topdoorofscannerisopen.
►Symptom
DSDFcoverisopen.
►Troubleshootingmethod
NOTE
Toseethetroubleshootingvideoforthiserror,clickthroughtothelinkbelow.
(http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_U3-4210.html)
1)OpenandclosetheDSDFcover.Checkiftheerrormessageisdisappeared.
2)Iftheproblempersists,checkthecoveropensensor.
a)OpentheDSDFcover.Remove4screws.
b)Removethecoverandcheckifthesensorharnessisconnectedcorrectly.
Ifthesensorisdefective,replaceit.
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