Samsung ML-501x, ML-4510ND Service Manual. Parts Catalog

Mono Laser Printer

ML-451x / 501x series

SERVICE

Mono Laser Printer

1. Precautions

2. Product Specications and Description

3. Disassembly and Reassembly

4. Alignment and Troubleshooting

5. System Diagrams

6. Reference Information

MANUAL

Contents

Refer to the service manual in the GSPN (see the rear cover) for more information.

Contents

1.Precautions........................................................................................................................................1−1

1.1.Safetywarning..........................................................................................................................1−1

1.2.Cautionforsafety......................................................................................................................1−2

1.2.1.Toxicmaterial...............................................................................................................1−2

1.2.2.Electricshockandresafetyprecautions...........................................................................1−2

1.2.3.Handlingprecautions.....................................................................................................1−3

1.2.4.AssemblyandDisassemblyprecautions.............................................................................1−3

1.2.5.Disregardingthiswarningmaycausebodilyinjury..............................................................1−4

1.3.ESDprecautions........................................................................................................................1−5

2.ProductSpecicationsandDescription....................................................................................................2−1

2.1.Specications............................................................................................................................2−1

2.1.1.ProductOverview..........................................................................................................2−1

2.1.2.Specifcations................................................................................................................2−2

2.1.2.1.GeneralSpecications......................................................................................2−2

2.1.2.2.PrintSpecications..........................................................................................2−3

2.1.2.3.PaperHandlingSpecications...........................................................................2−3

2.1.2.4.SoftwareandInterfaceSpecications..................................................................2−6

2.1.2.5.NetworkSpecications.....................................................................................2−7

2.1.2.6.Consumables..................................................................................................2−8

2.1.2.7.MaintenanceParts...........................................................................................2−8

2.1.2.8.Option...........................................................................................................2−9

2.1.2.9.FinisherandMailboxspecications.................................................................2−10

2.1.3.ModelComparisonT able..............................................................................................2−12

2.2.ProductDescription..................................................................................................................2−13

2.2.1.FrontV iew.................................................................................................................2−13

2.2.2.RearV iew..................................................................................................................2−14

2.2.3.PaperPath..................................................................................................................2−15

2.2.4.SystemLayout............................................................................................................2−16

2.2.5.FeedingSystem...........................................................................................................2−17

2.2.5.1.FeedingSystemOverview..............................................................................2−17

2.2.5.2.Maincomponentsandfunctions.......................................................................2−18

2.2.5.3.PaperTray...................................................................................................2−20

2.2.5.4.Pick-Upunit.................................................................................................2−21

2.2.5.5.RegistrationUnit...........................................................................................2−22

2.2.5.6.Multi-PurposeFeederUnit..............................................................................2−23

2.2.6.ImageCreation...........................................................................................................2−24

2.2.6.1.PrintingProcessOverview..............................................................................2−24

2.2.6.2.ImagingUnit................................................................................................2−25

Contents

2.2.7.FuserUnit..................................................................................................................2−27

2.2.7.1.FuserUnitOverview......................................................................................2−27

2.2.7.2.FuserUnitMainComponents..........................................................................2−28

2.2.7.3.FuserDrive..................................................................................................2−28

2.2.7.4.TemperatureContorl......................................................................................2−29

2.2.8.LaserScanningUnit.....................................................................................................2−30

2.2.8.1.LaserScanningUnitOverview........................................................................2−30

2.2.8.2.LaserScanningOpticalPath............................................................................2−31

2.2.9.DriveSystem..............................................................................................................2−32

2.2.9.1.DriveMotors................................................................................................2−32

2.2.9.2.MainDriveUnit(OPC,DEVE,Toner,Fuser,Regi.).............................................2−34

2.2.9.3.ExitDriveUnit.............................................................................................2−35

2.2.9.4.TrayLiftingDriveUnit..................................................................................2−36

2.2.10.HardwareConguration................................................................................................2−37

2.2.10.1.MainController............................................................................................2−41

2.2.10.2.OPEController.............................................................................................2−44

2.2.10.3.SMPSandFDBBoard...................................................................................2−47

2.2.10.4.HVPSBoard................................................................................................2−50

2.2.10.5.EraserPBA..................................................................................................2−51

2.2.10.6.Cover-OpenPBA..........................................................................................2−51

2.2.10.7.JointPBA....................................................................................................2−52

2.2.10.8.DeveCrumJointPBA....................................................................................2−52

2.2.10.9.TonerCrumJointPBA...................................................................................2−53

2.2.10.10.TonerCrumPBA..........................................................................................2−53

2.2.10.11.DeveCrumPBA...........................................................................................2−53

2.2.11.Finisher.....................................................................................................................2−54

2.2.11.1.FinisherSystemConguration.........................................................................2−54

2.2.11.2.LayoutandPaperpath....................................................................................2−55

2.2.11.3.Electricalpartslocation..................................................................................2−56

2.2.11.4.Finishermainboard.......................................................................................2−57

2.2.12.Mailbox....................................................................................................................2−58

2.2.12.1.Mailboxlayout.............................................................................................2−58

2.2.12.2.Electricalpartslocation..................................................................................2−59

2.2.12.3.Mailboxmainboard......................................................................................2−60

3.DisassemblyandReassembly................................................................................................................3−1

3.1.Precautionswhenreplacingparts..................................................................................................3−1

3.1.1.Precautionswhenassemblinganddisassembling.................................................................3−1

3.1.2.PreautionswhenhandlingPBA........................................................................................3−1

3.1.3.ReleasingPlasticLatches................................................................................................3−2

3.2.Screwsusedintheprinter............................................................................................................3−3

Contents

3.3.Replacingthemaintenanceparts...................................................................................................3−5

3.3.1.FuserUnit....................................................................................................................3−5

3.3.2.Pickup/Forwardroller..................................................................................................3−6

3.3.3.Transferroller...............................................................................................................3−6

3.4.Replacingthemainsvcparts........................................................................................................3−7

3.4.1.Cover..........................................................................................................................3−7

3.4.2.MainBoard..................................................................................................................3−9

3.4.3.JointPBA....................................................................................................................3−9

3.4.4.SMPSandFDB(FuserDriveboard)................................................................................3−10

3.4.5.OPCandMainmotor...................................................................................................3−11

3.4.6.MainDriveunit...........................................................................................................3−11

3.4.7.DuplexandPickupclutch.............................................................................................3−12

3.4.8.HVPSBoard...............................................................................................................3−12

3.4.9.ExitUnit....................................................................................................................3−13

3.4.10.LSU(LaserScanningUnit)...........................................................................................3−14

3.4.11.EraserLampPBA........................................................................................................3−14

3.4.12.CoverOpenPBA.........................................................................................................3−15

3.4.13.DisassemblingPickupassy...........................................................................................3−15

3.4.13.1.LeftCover...................................................................................................3−15

3.4.13.2.CassetteGuideL...........................................................................................3−16

3.4.13.3.RightCover.................................................................................................3−16

3.4.13.4.Cover-SMPSandSMPS.................................................................................3−18

3.4.13.5.DriveAssy...................................................................................................3−18

3.4.13.6.PickupandDuplexClutch..............................................................................3−18

3.4.13.7.Screw.........................................................................................................3−19

3.4.13.8.BracketCrossBarandPickupHarness.............................................................3−19

3.4.13.9.Pickupassy.................................................................................................3−20

3.5.Finisher.................................................................................................................................3−21

3.5.1.Cover........................................................................................................................3−21

3.5.2.StaplerAss’y..............................................................................................................3−22

3.5.3.Safetysensor..............................................................................................................3−22

3.5.4.TamperAss’y.............................................................................................................3−23

3.5.5.Finishermainboard.....................................................................................................3−25

3.5.6.DiverterAssy.............................................................................................................3−25

3.5.7.StackerMotor.............................................................................................................3−26

3.6.Mailbox................................................................................................................................3−27

4.AlignmentandTroubleshooting.............................................................................................................4−1

4.1.AlignmentandAdjustment..........................................................................................................4−1

4.1.1.ControlPanel................................................................................................................4−1

4.1.2.UnderstandingthestatusLED..........................................................................................4−3

Contents

4.1.3.JAMRemoval...............................................................................................................4−4

4.1.3.1.InTray1........................................................................................................4−4

4.1.3.2.InOptionalTray..............................................................................................4−5

4.1.3.3.Inthemulti-purposetray...................................................................................4−6

4.1.3.4.Insidethemachine...........................................................................................4−7

4.1.3.5.Intheexitarea..............................................................................................4−10

4.1.3.6.Paperjaminfrontofthenisher......................................................................4−11

4.1.3.7.Paperjaminsidethenisher............................................................................4−12

4.1.3.8.Paperjamattheexitofthenisher...................................................................4−13

4.1.3.9.Paperjaminfrontofthemulti-binmailbox........................................................4−13

4.1.3.10.Paperjaminsidethemulti-binmailbox..............................................................4−14

4.1.3.11.Paperjamattheexitofthemulti-binmailbox.....................................................4−15

4.1.4.Usefulmenuitemsforservice........................................................................................4−16

4.1.5.Periodicdefectiveimage...............................................................................................4−18

4.1.6.Usefulmanagementtools..............................................................................................4−19

4.1.6.1.UsingSamsungEasyPrinterManager(Windowsonly)........................................4−19

4.1.6.2.UsingSamsungPrinterStatus(Windowsonly)...................................................4−20

4.1.6.3.UsingSmartPanel(MacintoshandLinuxonly)..................................................4−21

4.1.7.UpdatingFirmware......................................................................................................4−23

4.1.7.1.UpdatethermwarebyusingtheUSBport........................................................4−23

4.1.7.2.Updatethermwarebyusingthenetwork..........................................................4−24

4.1.8.TechMode.................................................................................................................4−26

4.1.8.1.EnteringtheTechMode..................................................................................4−26

4.1.8.2.TechModeMenu..........................................................................................4−27

4.1.8.3.TechModeMenudescription...........................................................................4−29

4.2.Truobleshooting......................................................................................................................4−36

4.2.1.Procedureofcheckingthesymptoms...............................................................................4−36

4.2.1.1.BasicCheckList...........................................................................................4−37

4.2.2.ErrorCodeandTroubleshooting.....................................................................................4−38

4.2.3.Imagequalityproblem................................................................................................4−119

4.2.4.Othererrors..............................................................................................................4−124

5.SystemDiagrams................................................................................................................................5−1

5.1.BlockDiagram..........................................................................................................................5−1

5.2.ConnectionDiagram1.................................................................................................................5−2

5.3.ConnectionDiagram2.................................................................................................................5−3

5.4.ConnectionDiagram3.................................................................................................................5−4

5.5.ConnectionDiagram4.................................................................................................................5−5

6.ReferenceInformation..........................................................................................................................6−1

6.1.ToolforTroubleshooting.............................................................................................................6−1

6.2.Glossary...................................................................................................................................6−2

Contents

6.3.TheSamplePatternfortheTest....................................................................................................6−8

6.4.Selectingalocation....................................................................................................................6−9

1.Precautions

Inordertopreventaccidentsanddamagestotheequipmentpleasereadtheprecautionslistedbelowcarefullybefore servicingtheproductandfollowthemclosely.

1.1.Safetywarning

1)Onlytobeservicedbyafactorytrainedservicetechnician.

Highvoltagesandlasersinsidethisproductaredangerous.Thisproductshouldonlybeservicedbyafactorytrained servicetechnician.

2)UseonlySamsungreplacementparts.

Therearenouserserviceablepartsinsidetheproduct.Donotmakeanyunauthorizedchangesoradditionstothe productasthesecouldcausetheproducttomalfunctionsandcreateanelectricshocksorrehazards.

3)LaserSafetyStatement

TheprinteriscertiedintheU.S.toconformtotherequirementsofDHHS21CFR,chapter1SubchapterJfor ClassI(1)laserproducts,andelsewhereiscertiedasaClassIlaserproductconformingtotherequirementsofIEC 60825-1.ClassIlaserproductsarenotconsideredtobehazardous.Thelasersystemandprinteraredesignedso thereisneveranyhumanaccesstolaserradiationaboveaClassIlevelduringnormaloperation,usermaintenance orprescribedservicecondition.

1.Precautions

•Wavelength:800nm

•Beamdivergence

-Paraller:11degrees

-Perpendicular:35degrees

•Maximumpowerofenergyoutput:12mW

WARNING

NeveroperateorservicetheproductwiththeprotectivecoverremovedfromLaser/Scannerassembly.Thereected beam,althoughinvisible,candamageyoureyes.

Whenusingthisproduct,thesebasicsafetyprecautionsshouldalwaysbefollowedtoreduceriskofre,electricshock, andpersonalinjury .

1.Precautions

1.2.Cautionforsafety

1.2.1.Toxicmaterial

Thisproductcontainstoxicmaterialsthatcouldcauseillnessifingested.

1)Pleasekeepimagingunitandtonercartridgeawayfromchildren.Thetonerpowdercontainedintheimagingunitand tonercartridgemaybeharmful,andifswallowed,youshouldcontactadoctor.

1.2.2.Electricshockandresafetyprecautions

Failuretofollowthefollowinginstructionscouldcauseelectricshockorpotentiallycauseare.

1)Useonlythecorrectvoltage,failuretodosocoulddamagetheproductandpotentiallycauseareorelectricshock.

2)Useonlythepowercablesuppliedwiththeproduct.Useofanincorrectlyspeciedcablecouldcausethecableto overheatandpotentiallycauseare.

3)Donotoverloadthepowersocket,thiscouldleadtooverheatingofthecablesinsidethewallandcouldleadtoare.

4)Donotallowwaterorotherliquidstospillintotheproduct,thiscancauseelectricshock.Donotallowpaperclips,pins orotherforeignobjectstofallintotheproduct,thesecouldcauseashortcircuitleadingtoanelectricshockorrehazard.

5)Nevertouchtheplugsoneitherendofthepowercablewithwethands,thiscancauseelectricshock.Whenservicing theproduct,removethepowerplugfromthewallsocket.

6)Usecautionwheninsertingorremovingthepowercord.Whenremovingthepowercord,gripitrmlyandpull.The powercordmustbeinsertedcompletely,otherwiseapoorcontactcouldcauseoverheatingleadingtoare.

7)Takecareofthepowercable.Donotallowittobecometwisted,bentsharplyaroundcornersorwisedamaged.Donot placeobjectsontopofthepowercable.Ifthepowercableisdamageditcouldoverheatandcauseare.Exposed cablescouldcauseanelectricshock.Replacethedamagedpowercableimmediately ,donotreuseorrepairthedamaged cable.Somechemicalscanattackthecoatingonthepowercable,weakeningthecoverorexposingcablescausing reandshockrisks.

8)Ensurethatthepowersocketsandplugsarenotcrackedorbrokeninanyway .Anysuchdefectsshouldberepaired immediately.Takecarenottocutordamagethepowercableorplugswhenmovingthemachine.

9)Usecautionduringthunderorlightningstorms.Samsungrecommendsthatthismachinebedisconnectedfromthe powersourcewhensuchweatherconditionsareexpected.Donottouchthemachineorthepowercordifitisstill connectedtothewallsocketintheseweatherconditions.

10)Avoiddampordustyareas,installtheproductinacleanwellventilatedlocation.Donotpositionthemachineneara humidierorinfrontofanairconditioner.Moistureanddustbuiltupinsidethemachinecanleadtooverheatingand causeareorcausepartstorust.

11)Donotpositiontheproductindirectsunlight.Thiswillcausethetemperatureinsidetheproducttorisepossiblyleading totheproductfailingtoworkproperlyandinextremeconditionscouldleadtoare.

12)Donotinsertanymetalobjectsintothemachinethroughtheventilatorfanorotherpartofthecasing,itcouldmake contactwithahighvoltageconductorinsidethemachineandcauseanelectricshock.

13) cangetashockbytheelectricdischarge.

WhenreplacingtheSMPSboard,pleasewait5minutesafterunpluggingthepowercord,thenreplaceit.Y ou

1.Precautions

1.2.3.Handlingprecautions

Thefollowinginstructionsareforyourownpersonalsafetytoavoidinjuryandsoasnottodamagetheproduct.

1)Ensuretheproductisinstalledonalevelsurface,capableofsupportingitsweight.Failuretodosocouldcause theproducttotiporfall.

2)Theproductcontainsmanyrollers,gearsandfans.T akegreatcaretoensurethatyoudonotcatchyourngers,hairor clothinginanyoftheserotatingdevices.

3)Donotplaceanysmallmetalobjects,containersofwater,chemicalsorotherliquidsclosetotheproductwhichifspilled couldgetintothemachineandcausedamageorashockorrehazard.

4)Donotinstallthemachineinareaswithhighdustormoisturelevels,besideonopenwindoworclosetoahumidieror heater.Damagecouldbecausedtotheproductinsuchareas.

5)Donotplacecandles,burningcigarettes,etcontheproduct,Thesecouldcauseare.

1.2.4.AssemblyandDisassemblyprecautions

1)ReplacepartscarefullyandalwaysuseSamsungparts.Takecaretonotetheexactlocationofpartsandalsocable routingbeforedismantlinganypartofthemachine.Ensureallpartsandcablesarereplacedcorrectly.Pleasecarryout thefollowingproceduresbeforedismantlingtheproductorreplacinganyparts.

2)Ensurethatpowerisdisconnectedbeforeservicingorreplacinganyelectricalparts.

3)Disconnectinterfacecablesandpowercables.

4)Onlyuseapprovedspareparts.Ensurethatpartnumber,productname,anyvoltage,currentortemperaturerating arecorrect.

5)Whenremovingorre-ttinganypartsdonotuseexcessiveforce,especiallywhenttingscrewsintoplastic.

6)Takecarenottodropanysmallpartsintothemachine.

7)HandlingoftheOPCDrum

•TheOPCDrumcanbeirreparablydamagedifitexposedtolight.TakecarenottoexposetheOPCDrumeither todirectsunlightortouorescentorincandescentroomlighting.Exposureforaslittleas5minutescandamage thesurfaceofthephotoconductivepropertiesandwillresultinprintqualitydegradation.Takeextracarewhen servicingtheproduct.RemovetheOPCDrumandstoreitinablackbagorotherlightproofcontainer.Take carewhenworkingwiththeCovers(especiallythetopcover)openaslightisadmittedtotheOPCareaandcan damagetheOPCDrum.

•TakecarenottoscratchthegreensurfaceofOPCDrumUnit.IfthegreensurfaceoftheDrumCartridgeis scratchedortouchedtheprintqualitywillbecompromised.

1.Precautions

1.2.5.Disregardingthiswarningmaycausebodilyinjury

1)Becarefulwiththehightemperaturepart.

Thefuserunitworksatahightemperature.Usecautionwhenworkingontheprinter.W aitforthefusertocool downbeforedisassembly.

2)Donotputngerorhairintotherotatingparts.

Whenoperatingaprinter,donotputhandorhairintotherotatingparts(Paperfeedingentrance,motor,fan,etc.). Ifdo,youcangetharm.

3)Whenyoumovetheprinter.

Thisprinterweighs6kgincludingtonercartridgeandcassette.Usesafeliftingandhandlingtechniques.Usethelifting handleslocatedoneachsideofthemachine.Backinjurycouldbecausedifyoudonotliftcarefully.

4)Ensuretheprinterisinstalledsafely.

Theprinterweighs6kg,ensuretheprinterisinstalledonalevelsurface,capableofsupportingitsweight.Failuretodo socouldcausetheprintertotiporfallpossiblycausingpersonalinjuryordamagingtheprinter.

5)Donotinstalltheprinteronaslopingorunstablesurface.Afterinstallation,doublecheckthattheprinterisstable.

1.Precautions

1.3.ESDprecautions

Certainsemiconductordevicescanbeeasilydamagedbystaticelectricity.Suchcomponentsarecommonlycalled “ElectrostaticallySensitive(ES)Devices”orESDs.ExamplesoftypicalESDsare:integratedcircuits,someeldeffect transistors,andsemiconductor“chip”components.Thetechniquesoutlinedbelowshouldbefollowedtohelpreducethe incidenceofcomponentdamagecausedbystaticelectricity.

CAUTION

Besurenopowerisappliedtothechassisorcircuit,andobserveallothersafetyprecautions.

1)Immediatelybeforehandlingasemiconductorcomponentorsemiconductor-equippedassembly,drainoffany electrostaticchargeonyourbodybytouchingaknownearthground.Alternatively ,employacommerciallyavailable wriststrapdevice,whichshouldberemovedforyourpersonalsafetyreasonspriortoapplyingpowertotheunit undertest.

2)AfterremovinganelectricalassemblyequippedwithESDs,placetheassemblyonaconductivesurface,suchas aluminumorcopperfoil,orconductivefoam,topreventelectrostaticchargebuildupinthevicinityoftheassembly .

3)UseonlyagroundedtipsolderingirontosolderordesolderESDs.

4)Useonlyan“anti-static”solderremovaldevice.Somesolderremovaldevicesnotclassiedas“anti-static”can generateelectricalchargessufcienttodamageESDs.

5)DonotuseFreon-propelledchemicals.Whensprayed,thesecangenerateelectricalchargessufcienttodamageESDs.

6)DonotremoveareplacementESDfromitsprotectivepackaginguntilimmediatelybeforeinstallingit.Most replacementESDsarepackagedwithallleadsshortedtogetherbyconductivefoam,aluminumfoil,oracomparable conductivematerial.

7)ImmediatelybeforeremovingtheprotectiveshortingmaterialfromtheleadsofareplacementESD,touchtheprotective materialtothechassisorcircuitassemblyintowhichthedevicewillbeinstalled.

8)MaintaincontinuouselectricalcontactbetweentheESDandtheassemblyintowhichitwillbeinstalled,until completelypluggedorsolderedintothecircuit.

9)MinimizebodilymotionswhenhandlingunpackagedreplacementESDs.Normalmotions,suchasthebrushingtogether ofclothingfabricandliftingone’sfootfromacarpetedoor,cangeneratestaticelectricitysufcienttodamageanESD.

2.ProductSpecicationsandDescription

2.1.Specications

2.1.1.ProductOverview

1)Speed

2)PrintingResolution

3)Processor

4)PrinterEmulation

5)Memory

6)Interfaces

7)TonerCartridge

8)VariousOptionalUnits

•ML-451xseries:45ppminletter(43ppminA4)

•ML-501xseries:50ppminletter(48ppminA4)

•Max.1200x1200dpieffectiveoutput

•600MHz

•PCL5e/PCL6/PS3/XPS/PDF/EPSON/IBMProPrinter

•ML-451xseries:128MB/640MB

•ML-501xseries:256MB/768MB

•HighSpeedUSB2.0

•1GBEthernet

•ML-451xSeries:7K/15K

•ML-501xSeries:7K/15K/20K

•ML-451xSeries:OptionalMemory,SCF

•ML-501xSeries:OptionalMemory ,SCF ,MassStorageDevice, Mailbox,Finisher

2.ProductSpecicationsandDescription

2.1.2.Specifcations

Productspecicationsaresubjecttochangewithoutnotice.

2.1.2.1.GeneralSpecications

ItemML-451xseriesML-501xseries

Size(W*D*H)without optional

General

NoiseLevel

Temperature

Humidity

Powerrating

Powerconsumption

Weightwith consumables

I/OInterface

Printing54dBA54dBA

Ready30dBA30dBA

Operation10to30°C(50to86°F)10to30°C(50to86°F)

Storage(Packed)-20to40°C(-4to104°F)-20to40°C(-4to104°F)

Operation10to85%RH10to85%RH

Storage(Packed)5to90%RH5to90%RH

110voltmodelsAC110~127VAC110~127V

220voltmodelsAC220~240VAC220~240V

Averageoperating mode

ReadymodeLessthan12WLessthan15W

PowersavemodeLessthan4.5WLessthan4.5W

418x435x358mm

(16.5x17.1x14.1inches)

26.45Kg(58.31lbs)26.45Kg(58.31lbs)

USB2.0,USBHOST2.0, NW(10/100/1G)

Lessthan850WLessthan900W

418x435x358mm

(16.5x17.1x14.1inches)

USB2.0,USBHOST2.0, NW(10/100/1G)

PrintingV olume

MachineLife

ControllerSamsungDualCore600MHzSamsungDualCore600MHz

DeviceMemory

ControlPanel4LineT extGraphicLCD

(SetAMPV)

MaxMonthlyDuty Cycle

Std.128MB256MB

Max640MB768MB

4,000sheets/month5,000sheets/month

150K200K

•5010ND/5012ND:4Line

TextGraphicLCD

•5015ND/5017ND:TFTLCD

(TouchScreen)

2.ProductSpecicationsandDescription

2.1.2.2.PrintSpecications

ItemML-451xseriesML-501xseries

PrintSpeed

PrintLanguage

PowerSaveYesYes

Resolution

TonerSaveYesYes

FPOT

DuplexPrintY esYes

Non-Printable Area

Simplex45ppm(Letter)/43ppm(A4)50ppm(Letter)/48ppm(A4)

Duplex29ipm(Letter)/28ipm(A4)33ipm(Letter)/31ipm(A4)

PCL5e,PCL6IBMProPrinter,EPSON, PostScript3,PDFDirectV1.7,XPSv1.0

Optical600x600dpi600x600dpi

Enhanced1200x1200dpi1200x1200dpi

FromreadyAsfastas7secAsfastas7sec

FromsleepLessthan14.5secLessthan14.5sec

OtherMediaTop&Bottom:4.23mm(0.2")fromedge

Left&Right:3mm(0.11")fromedge

EnvelopeT op&Bottom:10mm(0.4")fromedge

Left&Right:10mm(0.4")fromedge

2.1.2.3.PaperHandlingSpecications

PCL5e,PCL6IBMProPrinter,EPSON, PostScript3,PDFDirectV1.7,XPSv1.0

Top&Bottom:4.23mm(0.2")fromedge

Left&Right:3mm(0.11")fromedge

Top&Bottom:10mm(0.4")fromedge

Left&Right:10mm(0.4")fromedge

ItemML-451xseriesML-501xseries

MainTray

Capacity

Mediasizes

Mediatypes

Mediaweight

-PlainPaper:520sheets@20lb(80g/m²)

-envelopes:50sheets

Letter,Legal,Ocio,Folio,A4, JISB5,ISOB5,Executive,A5, Statement,EnvelopeB5,Envelope COM-10,EnvelopeDL,EnvelopeC5, Custom(98.6*210~216*356)

PlainPaper,ThinPaper,Bond,Punched, Pre-Printed,Recycled,Envelope, Transparency,Label,CardStock,Letter head,Thick,Cotton,Colored,Archive, ExtraThick

-SupportedW eight:60~163g/m²

-PlainPaper:60~120g/m²

-ThinPaper:60g/m²(16lb)

-Bond:105~120g/m²(28~32lb)

-Punched:60~90g/m²(16~24lb)

-Pre-Printed:60~90g/m²(16~24lb)

-Recycled:90~105g/m²(20~24lb)

-Envelope:75~90g/m²

-Transparency:138~146g/m²(16~24lb)

-Label:120~150g/m²

-Letterhead:90g/m²cottonpaper

-PlainPaper:520sheets@20lb(80g/m²)

-envelopes:50sheets

Letter,Legal,Ocio,Folio,A4, JISB5,ISOB5,Executive,A5, Statement,EnvelopeB5,Envelope COM-10,EnvelopeDL,EnvelopeC5, Custom(98.6*210~216*356)

PlainPaper,ThinPaper,Bond,Punched, Pre-Printed,Recycled,Envelope, Transparency,Label,CardStock,Letter head,Thick,Cotton,Colored,Archive, ExtraThick

-SupportedW eight:60~163g/m²

-PlainPaper:60~120g/m²

-ThinPaper:60g/m²(16lb)

-Bond:105~120g/m²(28~32lb)

-Punched:60~90g/m²(16~24lb)

-Pre-Printed:60~90g/m²(16~24lb)

-Recycled:90~105g/m²(20~24lb)

-Envelope:75~90g/m²

-Transparency:138~146g/m²(16~24lb)

-Label:120~150g/m²

-Letterhead:90g/m²cottonpaper

2.ProductSpecicationsandDescription

ItemML-451xseriesML-501xseries

Bypasstray

Sensing

Capacity

Mediasizes

Mediatype

-H/WInstallDetect:Y es

-PaperEmpty:Yes

-PaperTypeDetect:No

-PaperSizeDetect:Y es

-Plainpaper:100sheets@20lb(80g/m²)

-Transparency:20sheets

-Envelopes:10sheets

-Labels:10sheets

-Thick(163~220g/m²):10sheets

-Transparency:20sheets

-76.2x127mm(3"x5")~216x356 mm(8.5"x14")

-BannerSizePrinting:216mmx900mm

PrinterDefault,PlainPaper,Thick Paper,ThinPaper,BondPaper,Color Paper,CardStock,Labels,Transparency, Envelope,Preprinted,Cotton,Recycled Paper,Archive,ExtraThick

-H/WInstallDetect:Y es

-PaperEmpty:Yes

-PaperTypeDetect:No

-PaperSizeDetect:Y es

-Plainpaper:100sheets@20lb(80g/m²)

-Transparency:20sheets

-Envelopes:10sheets

-Labels:10sheets

-Thick(163~220g/m²):10sheets

-Transparency:20sheets

-76.2x127mm(3"x5")~216x356 mm(8.5"x14")

-BannerSizePrinting:216mmx900mm

PrinterDefault,PlainPaper,Thick Paper,ThinPaper,BondPaper,Color Paper,CardStock,Labels,Transparency, Envelope,Preprinted,Cotton,Recycled Paper,Archive,ExtraThick

Mediaweight16~58lb(60to220g/m²)16~58lb(60to220g/m²)

SensingPaperemptysensorPaperemptysensor

CapacityPlainPaper:520sheets@20lb(80g/m²)PlainPaper:520sheets@20lb(80g/m²)

Letter,Legal,Ocio,Folio,A4,JIS

Mediasizes

B5,ISOB5,Executive,A5,Statement, Custom(98.6*210~216*356)

PlainPaper,ThinPaper,Bond,Punched,

Mediatypes

Pre-Printed,Recycled,Transparency , Label,CardStock,Letterhead,Thick, Cotton,Colored,Archive,ExtraThick

-SupportedW eight:60~163g/m²

-PlainPaper:60~120g/m²

OptionalCassette tray(Second Cassette)

Mediaweight

-ThinPaper:60g/m²(16lb)

-Bond:105~120g/m²(28~32lb)

-Punched:60~90g/m²(16~24lb)

-Pre-Printed:60~90g/m²(16~24lb)

-Recycled:90~105g/m²(20~24lb)

-Transparency:138~146g/m²(16~24lb)

-Label:120~150g/m²

-Letterhead:90g/m²cottonpaper

-H/WInstallDetect:Y es

Sensing

-PaperEmpty:Yes

-PaperTypeDetect:No

-PaperSizeDetect:Y es

Letter,Legal,Ocio,Folio,A4,JIS B5,ISOB5,Executive,A5,Statement, Custom(98.6*210~216*356)

PlainPaper,ThinPaper,Bond,Punched, Pre-Printed,Recycled,Transparency , Label,CardStock,Letterhead,Thick, Cotton,Colored,Archive,ExtraThick

-SupportedW eight:60~163g/m²

-PlainPaper:60~120g/m²

-ThinPaper:60g/m²(16lb)

-Bond:105~120g/m²(28~32lb)

-Punched:60~90g/m²(16~24lb)

-Pre-Printed:60~90g/m²(16~24lb)

-Recycled:90~105g/m²(20~24lb)

-Transparency:138~146g/m²(16~24lb)

-Label:120~150g/m²

-Letterhead:90g/m²cottonpaper

-H/WInstallDetect:Y es

-PaperEmpty:Yes

-PaperTypeDetect:No

-PaperSizeDetect:Y es

OutputStacking (Mainset)

4binmailboxFaceDownN/A

FaceDown500sheets@20lb(80g/m²)500sheets@20lb(80g/m²)

400sheets@20lb(80g/m²)(100sheet 4-bin)

2.ProductSpecicationsandDescription

ItemML-451xseriesML-501xseries

OffsetcatchtrayCapacityN/A

SupportingYESYES

MediasizesA4,Letter,Legal,folio,OcioA4,Letter,Legal,folio,Ocio

Automaticduplex

MediatypesPlainPaper,ThinPaper,ThickPaperPlainPaper,ThinPaper,ThickPaper

Mediaweight60~120g/(16~32lb)60~120g/(16~32lb)

500sheets@20lb(80g/m²)20sheet stapler

2.ProductSpecicationsandDescription

2.1.2.4.SoftwareandInterfaceSpecications

ItemML-451xseriesML-501xseries

DefaultDriverPCLPCL

WINDOW2000/XP(32/64bit)/2003 Server(32/64bit)/Vista(32/64bit)/2008 Server(32/64bit)/7/2008ServerR2

Linux

-RedHatEnterpriseLinuxWS4,5(32/64 bit)

-Fedora5,6,7,8,9,10,11,12,13(32/64 bit)

-SuSELinux10.1(32bit)

-OpenSuSE10.2,10.3,11.0,11.1,11.2

SupportingOS

Driver

(32/64bit)

-Mandriva2007,2008,2009,2009.1, 2010(32/64bit)

-Ubuntu6.06,6.10,7.04,7.10,8.04,

8.10,9.04,9.10,10.04(32/64bit)

-SuSELinuxEnterpriseDesktop10,11 (32/64bit)

-Debian4.0,5.0(32/64bit)

MacOSX10.3~10.6MacOSX10.3~10.6

UNIX

SunSolaris9,10(x86,SP ARC)HP-UX

11.0,11iv1,11iv2,11iv3(P A-RISC, Itanium)IBMAIX5.1,5.2,5.3,5.4

WINDOW2000/XP(32/64bit)/2003 Server(32/64bit)/Vista(32/64bit)/2008 Server(32/64bit)/7/2008ServerR2

Linux

-RedHatEnterpriseLinuxWS4,5(32/64 bit)

-Fedora5,6,7,8,9,10,11,12,13(32/64 bit)

-SuSELinux10.1(32bit)

-OpenSuSE10.2,10.3,11.0,11.1,11.2 (32/64bit)

-Mandriva2007,2008,2009,2009.1, 2010(32/64bit)

-Ubuntu6.06,6.10,7.04,7.10,8.04,

8.10,9.04,9.10,10.04(32/64bit)

-SuSELinuxEnterpriseDesktop10,11 (32/64bit)

-Debian4.0,5.0(32/64bit)

UNIX

SunSolaris9,10(x86,SP ARC)HP-UX

11.0,11iv1,11iv2,11iv3(P A-RISC, Itanium)IBMAIX5.1,5.2,5.3,5.4

WHQLWINDOW2000/XP(32/64bit)/2003

Server(32/64bit)/Vista(32/64bit)/2008 Server(32/64bit)/7/2008ServerR2

SmartPanel

Application

Interface

Network

Management

AnyWebPrintYESYES

ParallelIEEE1284bParallelOptionConnectorIEEE1284bParallelOptionConnector

USB

WiredNetwork10/100/1000BaseTX10/100/1000BaseTX

WirelessNetworkN/AN/A

InstallDefault(SupportingOSissame withdriver.)

-SetIP ,SW AS5.0&SWS2.0,CounThru

3.0

-SW ASPlug-In

-JobAccounting,DriverManagement Plug-in,DeviceMapPlug-in

HighSpeedUSB2.0

•Device1port

•Host1port(Rear1)

WINDOW2000/XP(32/64bit)/2003 Server(32/64bit)/Vista(32/64bit)/2008 Server(32/64bit)/7/2008ServerR2

InstallDefault(SupportingOSissame withdriver.)

-SetIP ,SW AS5.0&SWS2.0,CounThru

3.0

-SW ASPlug-In

-JobAccounting,DriverManagement Plug-in,DeviceMapPlug-in

HighSpeedUSB2.0

•Device1port

•Host2port(Rear1,Front1)

2.ProductSpecicationsandDescription

2.1.2.5.NetworkSpecications

ItemML-451xseriesML-501xseries

Protocol

SupportingOS

TCP/IPv4/IPv6,HTTP , SNMPv1/v2c/v3,SMTP ,IPSec,

TCP/IP

Others

DNS/WINS,DDNS,DHCP ,SSL/TLS, BOOTP,AutoIP ,StandardTCP/IP printing,LPR,IPP ,UPnP(SSDP), Bonjour,Telnet,WSD,SLP ,SetIP

HTTPs,IPPs,802.1x(EAP-MD5, EAP-MSCHAPv2,PEAP,TLS),IPSec

•MicrosoftWindows

TCP/IPv4/IPv6,HTTP , SNMPv1/v2c/v3,SMTP ,IPSec, DNS/WINS,DDNS,DHCP ,SSL/TLS, BOOTP,AutoIP ,StandardTCP/IP printing,LPR,IPP,UPnP(SSDP), Bonjour,Telnet,WSD,SLP ,SetIP

HTTPs,IPPs,802.1x(EAP-MD5, EAP-MSCHAPv2,PEAP,TLS),IPSec

•MicrosoftWindows

2000/XP(32/64bits)/

Windows

2003Server(32/64bits)/ Vista(32/64bits)/2008 Server(32/64bit)/7/2008Server R2

Mac•MacOS10.3~10.6•MacOS10.3~10.6

•RedHat8~9(32bit)/Enterprise

LinuxWS4,5(32/64bit)

•FedoraCore1~7(32/64bit)

•SuSE8.2~10.2/Enterprise

Linux

Desktop9~10(32/64bit)

•Madrake9.2~10.1(32/64bit)

•Mandriva2005~2007

•Ubuntu6.06~7.04

•Debian3.1~4.0

•FedoraCore1~7(32/64bit)

•SuSE8.2~10.2/Enterprise

•Madrake9.2~10.1(32/64bit)

•Mandriva2005~2007

•Ubuntu6.06~7.04

•Debian3.1~4.0

2000/XP(32/64bits)/ 2003Server(32/64bits)/ Vista(32/64bits)/2008 Server(32/64bit)/7/2008 ServerR2

LinuxWS4,5(32/64bit)

Desktop9~10(32/64bit)

Novell•Netware5.x,6.x(TCP/IPOnly)•Netware5.x,6.x(TCP/IPOnly)

•SunSolaris8,9,10(SP ARC/x86)

IBMAIX5.x(6.1)IBM

Others(Unix)

Linux(SystemP)HP-UX 11i(P A-RISC/IA-64) (11.11/11.20/11.22/11.23/11.31)

•SunSolaris8,9,10(SP ARC/x86)

IBMAIX5.x(6.1)IBM Linux(SystemP)HP-UX 11i(PA-RISC/IA-64) (11.11/11.20/11.22/11.23/11.31)

2.ProductSpecicationsandDescription

2.1.2.6.Consumables

ItemML-451xseriesML-501xseries

ModelName

MLT-D307S/ML T-D307L/ MLT-D307E

•Standard:AverageCartridge

Yield7Kstandardpages.

•Highyield:AverageCartridge

TonerCartridge

Yield

Yield15Kstandardpages.

•ExtraHighYield:Average

cartridgeYield20Kstandard pages.

*Declaredcartridgeyieldin accordancewithISO/IEC19752.

ImagingUnit

ModelNameML T-R307MLT-R307

YieldApprox.60,000pagesApprox.60,000pages

2.1.2.7.MaintenanceParts

ItemML-451xseriesML-501xseries

Pick-Uproller

YieldApprox.100,000pagesApprox.100,000pages

PartCodeJC97–02259AJC97–02259A

MLT-D307S/ML T-D307L/ MLT-D307E

•Standard:AverageCartridge

Yield7Kstandardpages.

•Highyield:AverageCartridge

Yield15Kstandardpages.

•ExtraHighYield:Average

cartridgeYield20Kstandard pages.

*Declaredcartridgeyieldin accordancewithISO/IEC19752.

Retardroller

Forwardroller

Transferroller

Fuserunit

NOTE

Itwillbeaffectedbytheoperatingsystemused,computingperformance,applicationsoftware,connectingmethod,media type,mediasizeandjobcomplexity.

YieldApprox.100,000pagesApprox.100,000pages

PartCodeJC97–02259AJC97–02259A

YieldApprox.100,000pagesApprox.100,000pages

PartCodeJC97–02259AJC97–02259A

YieldApprox.100,000pagesApprox.100,000pages

PartCodeJC93–00393AJC93–00393A

YieldApprox.100,000pagesApprox.100,000pages

PartCode

•JC91–01028A(220V)

•JC91–01029A(110V)

•JC91–01028A(220V)

•JC91–01029A(110V)

2.ProductSpecicationsandDescription

2.1.2.8.Option

ItemModelName

ML-451xseriesML-501xseries

512MBOptionalMemoryML-MEM170OO

ML-S5010A(Wavetype)OO

SCF(OptionTray)

ML-S5012A(Flattype)OO

IEEE1284parallelconnectorML-P AR100O

MassStorageDeviceML-HDK425O

Finisher(Stacker&Stapler)ML-OCT65O

ShortStandML-DSK65SO

MultbinmailboxML-MBT65O

NOTE

•Ifyouusetheparallelport,youcannotusetheUSBcable.

•ML-451xseriescaninstallonly1optionaltray,butML-501xseriescaninstallmax.4optionaltrays.

Support

2.1.2.9.FinisherandMailboxspecications

NOTE

ML-451xseriesdoesnotsupportthenisherandmail-box.

Generalspecication

ItemFinisherMailbox

Image

2.ProductSpecicationsandDescription

Size[WXDXH]410X408X453mm351X365X421mm

Weight9Kg5Kg

InputPower24V±10,5±524V±10,5±5

RatingCurrent

Noise(Runcontinuous audiblenoise)

Temperature

Humidity

StackingStackerTray:500sheet400sheetwith20lbsheet(100sheets/bin)

Stapling

PaperSizeLength(148~357mm)×Width(148~216mm)Length(148~357mm)×Width(98~216mm)

PaperW eight60~163g/(16~43lb)60~163g/(16~43lb)

Machinelife1,000,000sheetsor5years1,000,000sheetsor5years

24.0V ,3.0A(Peak4.5Afor25msMAX.)

5.0V ,1.0A

Lessthan53dBLessthan53dB

-Operating:10℃~32.5℃

-Storage:-20℃~60℃

-Operating:15%~80%RH

-Storage:10%~95%RH

–50sheetstaplingwith20lbsheet

–5000staplesperastaplercartridge

24.0V ,3.0A(Peak4.5Afor25msMAX.)

5.0V ,1.0A

-Operating:10℃~32.5℃

-Storage:-20℃~60℃

-Operating:15%~80%RH

-Storage:10%~95%RH

N/A

2.ProductSpecicationsandDescription

MediaSize&MechanismConstraint

PaperSizeFinisherMailbox

PaperWidthxLength(mm)WidthxLength(Inch)stackstapleoffsetstack

Letter215.9×279.08.5×11.00●●●●

Legal215.9×355.68.5×14.00●●●●

Folio216×330.08.5×13.00●●●●

A4210×297.08.27×11.69●●●●

JISB5182×257.07.17×10.12●●●●

ISOB5176×250.0●X●●

Executive184.2×266.77.25×10.50●●●●

A5148.5×210.05.85×8.27●X●●

Statement139.7×215.95.5×8.50XXX●

A6105×148.54.13×5.85XXX●

PostCard4x6101.6×152.44×6.00XXX●

Hagaki (Postcard)

Envelope Monarch

Envelope COM-10

EnvelopeDL110×220.04.33×8.66XXX●

EnvelopeC5162×229.06.38×9.02XXX●

EnvelopeC6114×162.0XXX●

Custom98×182.03.86×7.17XXX●

100×148.03.94×5.83XXX●

98.4×190.53.88×7.50XXX●

105×241.04.12×9.50XXX●

182×216.07.17×8.50●●●●

2.ProductSpecicationsandDescription

2.1.3.ModelComparisonTable

SamsungML-5010NDSamsungML-4551NDHPLJ-P4014

Image

Speed48ppm(A4)43ppm(A4)48ppm(A4)

Processor600MHz500MHz540MHz

Memory(Std/Max)128/640MB128/512MB128MB/640MB

MP/Cassette100/520sheets100/500sheets100/500sheets

SCF/HCF4x520SCF,NoHCF3x500SCF ,NoHCF2x500SCF/1500HCF

DuplexStd.Std.Std.

TonerYield7K/15K/20K10K/20K10K

Interface

LCD4-Line2-Line4-Line

MainBox/FinisherOptionN/AOption

-HighspeedUSB2.0

-Ethernet10/100/1000BaseTX

-HighspeedUSB2.0

-Ethernet10/100BaseTX

-HighspeedUSB2.0

-Ethernet10/100/1000BaseTX

-WirelessLAN(Option)

2.ProductSpecicationsandDescription

2.2.ProductDescription

2.2.1.FrontView

NOTE

•Thisillustrationmaydifferfromyourmachinedependingonitsmodel.

•Somefeaturesandoptionalgoodsmaynotbeavailabledependingonmodelorcountry .

1Finisher(Stacker&Stapler)10Multi-purposetraycover

2Mailbox11USBmemoryport

3Staplercover12Frontcover

4Optionalwirelesscover13Controlpanel

5Controlboardcover14Outputtray

6Shortstand15T onercartridge

7Paperlevelindicator16Imagingunit

8Optionaltray17Multi-purposetraypaperwidthguides

9Tray118Muti-purposetrayextension

2.ProductSpecicationsandDescription

2.2.2.RearView

NOTE

•Thisillustrationmaydifferfromyourmachinedependingonitsmodel.

•Somefeaturesandoptionalgoodsmaynotbeavailabledependingonmodelorcountry .

1Finishercover(Stacker&Stapler)6IEEE1284parallelconnector

2Rearcover7USBport

3Mailboxcover8USBmemoryport

4Powerreceptacle9Networkport

5Powerswitch

2.ProductSpecicationsandDescription

S implex

pa th

Finishe r [Mailbox]

pa th

Du ple x

pa th

2.2.3.PaperPath

Thefollowingdiagramdisplaysthepaththepaperfollowsduringtheprintingprocess.

2.2.4.SystemLayout

2.ProductSpecicationsandDescription

1MailBoxorFinisher63rdTray(Optional)11ImagingUnit

2LaserScanningUnit74thTray(Optional)12TransferUnit

3FuserUnit85thTray(Optional)13MPTray

41stTray9Stand14Pick-Uprollers

52ndTray(Optional)10TonerCartridge

2.ProductSpecicationsandDescription

EXIT

COVE R REAR

RE GI

MP F

CAS S ETTE

DUPLE X

P ICKUP

2.2.5.FeedingSystem

ThissectiondescribeshowthesystempicksuppaperfromthePapertrayorMulti-Purpose(MP)trayandtransportsittothe transferposition.ThepaperfeedingsystemmainlyconsistsofthePickuproller,Registrationroller,Transferroller,Feed roller,Drivesystemforthesecomponents,andmanysensors.

2.2.5.1.FeedingSystemOverview

ThefollowingdiagramsdisplaythefeedingsystemforML-451x/501xseries.

2.2.5.2.Maincomponentsandfunctions

2.ProductSpecicationsandDescription

1Tray111MPTrayPickup/Retard/

Forwardrollers

2Tray212Tray1Feedroller22Exitroller1

3Tray313Tray2Feedroller23Exitroller2

4Tray414Tray3Feedroller24Exitroller3

5Tray515Tray4Feedroller25Duplexdriveroller

6Tray1Pickup/Retard/Forward

rollers

7Tray2Pickup/Retard/Forward

rollers

8Tray3Pickup/Retard/Forward

rollers

9Tray4Pickup/Retard/Forward

rollers

10Tray5Pickup/Retard/Forward

rollers

16Tray5Feedroller26DuplexSensor

17Registrationsensor27Mainbinfullsensor

18Registrationroller28MailboxorFinisher

19Transferroller

20FuserBelt

21Exitsensor

•Pick-UpRollers(T ray1~5,MPTray)

Thisrollerspickupthepaperfromthetray1~5orMPtrayandtransportittothefeedroller.

•ForwardRollers(T ray1~5,MPTray)

Thisrollerisplacedagainsttheretardroller.Ittransportsthepaperfromthepickuprollertothefeedroller.

•RetardRoller(T ray1~5,MPTray)

Thisrollerisplacedagainsttheforwardroller.Whentwosheetsofpaperormorearetransportedfromthepickuproller, theloadofthetorquelimiteroftheretardrollerisheavierthanthefrictionalforcebetweenthesheets.Asaresult,the retardrollerisstoppedandthelowerpaperdoesnotadvanceanyfurther.Whenonlyonesheetistransportedfromthe pickuproller,theretardrollerrotatesfollowingtheforwardroller.

•FeedRoller

Thisrollertransportsthepapersentfromtheforwardrollertotheregistrationroller.

•RegistrationRoller

Papertransportedfromthefeedrollerispushedagainsttheregistrationrollerwhichalignstheleadingedgeofthepaper. Then,theregistrationrollersrotatetotransportthepapertothetransferunit.

•MPtraypapersensor

ThissensordetectswhetherpaperissetintheMPtray .Whenitis,MPtrayfeedingalwayscomesbeforetray1~5 feeding.

•EmptySensor(T ray1~5)

Thissensordetectstheavailabilityofpaperinthetraybyusinganactuator .Whenthereisnopaperinthetray ,the actuatorblocksthelightpathofthesensor,andthesensordeterminesthatthereisnopaper.

•FeedSensor

Thissensordetectsiftheleadingedgeortrailingedgeofthepaperhaspassedthefeedroller.Italsodetectsjamming suchasmisfeeding.

•RegistrationSensor

Thissensordetectsthattheleadingedgeofthepaperhasreachedtheregistrationrollerandthatthetrailingedgeof thepaperhaspassedtheregistrationroller.

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