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ErasingDataonthePrinter’sHardDisk
Youcanerasedataontheprinter’sharddiskfromtheControlPanel.
Therearethreewaystoerasethedata,asfollows.
ErasureMethod
TimeRequired
Details
HighSpeedAfewsecondsEraseslemanagementdataforprintjobdatastoredonthe
printer’sharddisk.Choosethismethodforrelativelyfast
erasure.Becauseonlythelemanagementdataiserased,the
printjobdataitselfisnoterased.Notethatitmaybepossibleto
readthisdatausingcommercialdatarecoverysoftware.
SecureHighSpd.About40minutesOverwritestheentireharddiskwithrandomdata.Noverication
isperformedtocheckifthedatawascorrectlywritten.Choose
thismethodtoerasehighlycondentialdata.Notethatitmay
bepossibletoreadtheoverwrittendatausingspecializeddata
recoverytools.
SecureAbout30hoursOverwritestheentireharddiskwith00,FF,andrandomdata
(onetimeeach).Vericationisperformedtocheckifthedata
wascorrectlywritten.Choosethismethodtoeraseespecially
condentialdata.Itisvirtuallyimpossibletorecoverthe
overwrittendata.ConformstotheDoD5220.22-Mstandardof
theU.S.DepartmentofDefense.
Note
•Foramoresecuremethodofpreventingdatarecovery,werecommendphysicallyormagnetically
destroyingtheharddisk.Inthiscase,theharddiskcannolongerbeused.
•EraseHDDDataisnotavailableifthereisajobqueue.
AlsonotethatduringexecutionofEraseHDDData,printjobscannotbeprocessed.
1.PresstheMenubuttontodisplayMAINMENU.
2.Press▲or▼toselectSystemSetup,andthenpressthe►button.
3.Press▲or▼toselectEraseHDDData,andthenpressthe►button.
4.Press▲or▼toselectthemethodoferasure,andthenpressthe►button.
5.Press▲or▼toselectYes,andthenpresstheOKbuttontodisplaytheconrmationscreen.
6.Press▲or▼toselectYes,andthenpresstheOKbuttontostarterasure.
HardDisk571