Samsung M2070F - Page 89

4.AlignmentandTroubleshooting
d)MachineTest
•SwitchTest
Usethisfeaturetotestallkeysontheoperationcontrolpanel.TheresultisdisplayedontheLCDwindoweach
timeyoupressakey.
•ModemTest
Usethisfeaturetohearvarioustransmissionsignalstothetelephonelinefromthemodemandtocheckthemodem.If
notransmissionsignalsoundisheard,itmeansthemodempartofthemainboardmalfunctioned.
•DramTest
Usethisfeaturetotestthemachine’sDRAM.TheresultappearsintheLCDdisplay.
•ROMTEST
Usethisfeaturetotestthemachine’sROM.TheresultandthesoftwareversionappearintheLCD.
•ShadingTest
ThefunctionistogettheoptimumscanqualitybythespeciccharacteroftheCIS(ContactImageSensor).Ifthecopy
imagequalityispoor,performthisfunctiontochecktheconditionCISunit.
e)Report
•ProtocolDump
ProtocollistshowsthesequenceoftheCCITTgroup3T.30protocolduringthemostrecentsendingorreceiving
operation.Usethislisttocheckforsendandreceiveerrors.
•SuppliesInfo
SuppliesInformationReportshowstonercartridgeinformationsuchastonerremaining,tonercapacity,tonerproduct
dateetc.
•Conguration
Congurationreportshowsthestatusoftheuser-selectableoptions.Youmayprintthislisttoconrmyourchanges
afterchangingsettings.Thispageprovidesusefulinformationforservice.
•ErrorInfo
ErrorInformationReportshowserrorrecords.
•UsageCounter
Usagepagereportshowsusagepagecountssinceservicedate.Itshowstotalcountsofthesimplexprintandduplexprint.
•ComponentCheck
ComponentCheckReportshowstheoperationprocedureofthemachinetestintechmode.
f)EDCmode
•NVMInitialize
ThismenuistoinitializetheNVMvalue.
•TestRoutines
Thismenucanperformtheoperationtestforthemaincomponents.
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