Samsung MultiXpress K7 Series - Page 409

4.Troubleshooting
►ErrorCode
S5–3111
►Errormessage
UISystemFailure#S5-3111:Turnoffthenon.
►Symptom
CommunicationerrorbetweenmainboardandOPEboardhasoccurred.
►Troubleshootingmethod
NOTE
Toseethetroubleshootingvideoforthiserror,clickthroughtothelinkbelow.
(http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_S5-3111.html)
1)Removetherearcover.
2)CheckiftheOPEcableisconnectedtothemainboardcorrectly.
3)ReplacetheOPEhubboard.
4)Iftheproblempersists,replacethemainboard.
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