Samsung MultiXpress K7 Series - Page 418

4.Troubleshooting
►ErrorCode
U2–1113
►Errormessage
LSUFailure:#U2-1113.Turnoffthenon.Callforserviceiftheproblempersists
►Symptom
HsyncsignaloftheLSUisabnormal.
►Troubleshootingmethod
NOTE
Toseethetroubleshootingvideoforthiserror,clickthroughtothelinkbelow.
(http://tsp.samsung.com/tsp_le/spds/samsungprinter/K7/Webview/EN_K7_U2-1113.html)
CAUTION
BeforeunpluggingtheLSUharness,themachinemustbeturnedoffandpowercordmustberemoved.
1)Turnthemachineoffthenon.CheckfortheLSUmotoroperationsoundduringwarm-up.
2)Printademopagetocheckthatthemachineoperatesnormally.
3)Iftheproblempersists,checkthefollowing:
a)Turnthemachineoffandopenthesidecover.UnplugandreconnecttheLSUcable.Printademopageto
checkthatthemachineoperatesnormally.
b)Turnthemachineoffandopenthesidecover.UnplugandreconnecttheLSUcableonmainboard.Printa
demopagetocheckthatthemachineoperatesnormally.
c)IftheLSUcableisdefective,replaceit.CheckthattheLSUmotormakesasoundafterturningthemachineon.
d)Iftheproblempersists,replacetheLSU.
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