Samsung SCX 465x, SCX 4x21 Service Manual

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Page 1

MonoLaserMFP

SCX-465x/4x21series SCX-465x/465xN/465xF/ 465xFN/465xHN/4021S/4321NS /4521FS/4521NS/4521HS (Ver_1.0)

MANUAL

SERVICE

MonoLaserMFP

1.Precautions

2.Productspecicationanddescription

3.DisassemblyandReassembly

4.AlignmentandTroubleshooting

5.SystemDiagram

6.ReferenceInformation

Contents

RefertotheservicemanualintheGSPN(seetherearcover)formoreinformation.

Page 2

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cationanddescription.....................................................................................................2−1

2.1.ProductSpecication................................................................................................................2−1

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

2.1.2.Specications.............................................................................................................2−2

2.1.2.1.GeneralPrintEngine......................................................................................2−2

2.1.2.2.Copier.........................................................................................................2−2

2.1.2.3.ScanSpecication.........................................................................................2−3

2.1.2.4.Fax(SCX-465xF_465xFN_465xHN_4521FS_4521NS_4521HSonly)....................2−3

2.1.2.5.ControllerandSoftware..................................................................................2−5

2.1.2.6.PaperHandling.............................................................................................2−6

2.1.2.7.Supplies......................................................................................................2−7

2.1.2.8.MaintenancePart..........................................................................................2−7

2.1.2.9.ReliabilityandService...................................................................................2−7

2.1.2.10.Environment................................................................................................2−8

2.1.3.ModelComparisonTable..............................................................................................2−9

2.2.SystemOverview.....................................................................................................................2−10

2.2.1.FrontView.................................................................................................................2−10

2.2.2.RearView..................................................................................................................2−12

2.2.3.PaperPath..................................................................................................................2−14

2.2.4.SystemLayout............................................................................................................2−15

2.2.4.1.FeedingPart.................................................................................................2−16

2.2.4.2.TransferRoller.............................................................................................2−17

2.2.4.3.DriveUnit...................................................................................................2−17

2.2.4.4.FuserUnit....................................................................................................2−18

2.2.4.5.LSU(LaserScannerUnit)...............................................................................2−19

2.2.4.6.TonerCartridge.............................................................................................2−20

2.2.5.Hardwareconguration................................................................................................2−21

2.2.5.1.Mainboard..................................................................................................2−24

2.2.5.2.OPEboard...................................................................................................2−26

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Contents

2.2.5.3.Faxboard(4–in-1modelonly).........................................................................2−27

2.2.5.4.SMPS/HVPSboard.......................................................................................2−28

2.2.5.5.ElectricalPartsLocation.................................................................................2−30

2.2.6.EngineF/WContolAlgorithm.......................................................................................2−32

2.2.6.1.Feeding.......................................................................................................2−32

2.2.6.2.Transfer.......................................................................................................2−32

2.2.6.3.Fusing.........................................................................................................2−33

2.2.6.4.LSU............................................................................................................2−33

2.2.7.SoftwareDescriptions..................................................................................................2−34

2.2.7.1.Softwaresystemoverview..............................................................................2−34

2.2.7.2.Architecture.................................................................................................2−34

2.2.7.3.DataandControlFlow...................................................................................2−35

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

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

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

3.1.2.PrecautionswhenhandlingPBA.....................................................................................3−1

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

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

3.3.ReplacingtheMainSVCparts...................................................................................................3−4

3.3.1.Cover........................................................................................................................3−4

3.3.2.OPEUnit...................................................................................................................3−5

3.3.3.ScannerUnit...............................................................................................................3−6

3.3.4.ADFunit...................................................................................................................3−7

3.3.5.CIS(ContactImageSensor)Unit....................................................................................3−8

3.3.6.MiddleCover.............................................................................................................3−9

3.3.7.Mainboard.................................................................................................................3−10

3.3.8.Faxboard...................................................................................................................3−10

3.3.9.SMPS_HVPSboard.....................................................................................................3−11

3.3.10.FuserUnit..................................................................................................................3−12

3.3.11.Transferroller.............................................................................................................3−12

3.3.12.LSU..........................................................................................................................3−13

3.3.13.FeedSensorPBA........................................................................................................3−13

3.3.14.MainDriveUnit..........................................................................................................3−14

3.3.15.PickUpSolenoid.........................................................................................................3−15

3.3.16.Pickuproller..............................................................................................................3−15

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

4.1.AlignmentandAdjustments.......................................................................................................4−1

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

4.1.2.UnderstandingthestatusLED........................................................................................4−5

4.1.3.JAMremoval..............................................................................................................4−6

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Contents

4.1.3.1.Clearingoriginaldocumentjams......................................................................4−6

4.1.3.2.Clearingpaperjams.......................................................................................4−9

4.1.4.Usefulmenuitemforservice.........................................................................................4−11

4.1.5.PeriodicDefectiveImage..............................................................................................4−12

4.1.6.Usefulmanagementtools..............................................................................................4−13

4.1.6.1.UsingSamsungEasyPrinterManager(WindowsandMacintoshonly)....................4−13

4.1.6.2.UsingSamsungPrinterStatus(Windowsonly)...................................................4−15

4.1.6.3.UsingSyncThruW ebService(SWS)................................................................4−16

4.1.7.UpdatingFirmware......................................................................................................4−18

4.1.7.1.UpdatethermwarebyusingtheUSBport........................................................4−18

4.1.7.2.Updatethermwarebyusingthenetwork..........................................................4−19

4.1.8.Techmode.................................................................................................................4−21

4.2.Troubleshooting......................................................................................................................4−25

4.2.1.Procedureofcheckingthesymptoms...............................................................................4−25

4.2.1.1.BasicCheckList...........................................................................................4−26

4.2.2.ErrorCodeandTroubleshooting.....................................................................................4−27

4.2.3.Imagequalityproblem..................................................................................................4−35

4.2.4.Othererrors................................................................................................................4−41

5.SystemDiagram................................................................................................................................5−1

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

5.2.ConnectionDiagram.................................................................................................................5−2

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

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

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

6.3.TheSamplePatternfortheTest..................................................................................................6−7

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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:788nm(-13/+12)

•Beamdivergence

-Paraller:8degrees(-2/+4)

-Perpendicular:31degrees(-6/+4)

•Maximumpowerofenergyoutput:12mW

WARNING

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

Whenusingthisproduct,thesebasicsafetyprecautionsshouldalwaysbefollowedtoreduceriskofre,electricshock, andpersonalinjury.

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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,bentsharplyaroundcornersorpowercablemaybe damaged.Donotplaceobjectsontopofthepowercable.Ifthepowercableisdamageditcouldoverheatandcausea re.Exposedcablescouldcauseanelectricshock.Replacethedamagedpowercableimmediately ,donotreuseor repairthedamagedcable.Somechemicalscanattackthecoatingonthepowercable,weakeningthecoverorexposing cablescausing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.You

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1.Precautions

1.2.3.Handlingprecautions

Thefollowinginstructionsareforyourownpersonalsafetytoavoidinjuryandsoasnottodamagetheproduct.

1)Ensuretheproductisinstalledonalevelsurface,capableofsupportingitsweight.Failuretodosocouldcause theproducttotiporfall.

2)Theproductcontainsmanyrollers,gearsandfans.Takegreatcaretoensurethatyoudonotcatchyour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.T akecaretonotetheexactlocationofpartsandalsocable 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.

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1.Precautions

1.2.5.Disregardingthiswarningmaycausebodilyinjury

1)Becarefulwiththehightemperaturepart.

Thefuserunitworksatahightemperature.Usecautionwhenworkingontheprinter.Waitforthefuserunitto cooldownbeforedisassembly.

2)Donotputngersorhairintotherotatingparts.

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

3)Whenyoumovetheprinter,usesafeliftingandhandlingtechniques.

Thisprinterisheavy.Usetheliftinghandleslocatedoneachsideofthemachine.Backinjurycouldbecausedif youdonotliftcarefully .

4)Ensuretheprinterisinstalledsafely.

Ensuretheprinterisinstalledonalevelsurface,capableofsupportingitsweight.Failuretodosocouldcausethe printertotiporfallpossiblycausingpersonalinjuryordamagingtheprinter.

5)Donotinstalltheprinteronaslopingorunstablesurface.Afterinstallation,doublecheckthattheprinterisstable.

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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.

Page 10

2.Productspecicationanddescription

2.1.ProductSpecication

2.1.1.ProductOverview

1)Speed

•Upto24ppminA4(24ppminLetter)

2)PrintingResolution

•Upto1200dpiEffectiveOutput(Addressable1200x1200dpi)

3)Processor

•433MHz

4)PrinterLanguageEmulation

•SPL(SamsungPrinterLanguage)

5)Memory

•SCX-465x/465xN/465xF/4021S/4321NS/4521FS/ 4521HS:64MB

•SCX-465xFN/465xHN/4521NS:128MB

6)Interface

•HighspeedUSB2.0

•10/100BaseTXnetworkconnector(SCX-465xN/465xFN/ 465xHN/4321N/4521NSonly)

7)Tonercartridge

•Initial:1K

•Sales:2.5K

Featuresbymodels

SCX-4650

SCX-4021S

FaxXXOOOO

ADFXOOOOO

NetworkXOXOOX

HandsetXXXXOO

SCX-4650N

SCX-4321NS

SCX-4655F

SCX-4521FS

SCX-4655FN

SCX-4521NS

SCX-4655HNSCX-4521HS

Page 11

2.1.2.Specications

•ProductSpecicationsaresubjecttochangewithoutnotice.

2.1.2.1.GeneralPrintEngine

ItemSpecication

2.Productspecicationanddescription

EngineSpeed

WarmuptimeFromSleepLessthan30seconds

FPOT

ResolutionUpto1200dpiEffectiveOutput(Addressable1200x1200dpi)

SimplexUpto24ppminA4(24ppminLetter)

DuplexManualDuplex

FromReadyLessthan10seconds

FromSleepLessthan30seconds

2.1.2.2.Copier

ItemSpecication

CopySpeedSimplexCopySpeedSDMC(Text,T ext/PhotoMode):20cpminA4

FCOT(B&W)FromReadyLessthan15seconds(fromplaten)

•Text:600x300dpi(Platen)

•Mixed:600x300dpi(Platen)

CopyResolution

•Photo:600x600dpi(Platen)

•Text:300x300dpi(ADF)

•Mixed:300x300dpi(ADF)

•Photo:600x300dpi(ADF)

ZoomRange25%to400%

MultiCopy1~99

Preset[Original(100%)]

[AutoFit]

[A4→A5(70%)]

[LGL→LTR(78%)]==>OnlyADFmodel

[LGL→A4(83%)]==>OnlyADFmodel

[A4→LTR(94%)]

[EXE→LTR(104%)]

[A5→A4(141%)]

25%,50%,150%,200%,400%[Custom:25-400%)]

DarknessControl11Level

Page 12

2.Productspecicationanddescription

2.1.2.3.ScanSpecication

ItemSpecication

Linearity,Halftone15seconPlaten,15seconADF@300dpi

ScanSpeed

Resolution

Halftone256levels

ScanSize

ScanDepth

CompatibilityPCScan

Gray23seconPlaten,26seconADF@300dpi

Color

Optical1200x1200dpi

Enhanced4800x4800dpi

Max.DocumentWidthMax.216mm(8.5")

EffectiveScanWidthMax.208mm(8.2")

Color

Mono

256Color300dpi:65seconPlaten,70seconADF

TrueColor300dpi:70seconPlaten,70seconADF

•Internal:16bitx3

•External:8bitx3

•1bitforLineart&Halftone

•8bitsforGrayscale

•Windows7(32/64bit)/2000/XP(32/64bit)/

2003(32/64bit)/Vista(32/64bit)/2008Server(32/64bit)/ 2008ServerR2(64bit)

•VariousLinuxOS

•RedHatEnterpriseLinuxWS4,5(32/64bit)

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

•SuSELinux10.1(32bit)

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

•Mandriva2007,2008,2009,2009.1,2010(32/64

bit)

•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)

•MacOSX10.4~10.7

2.1.2.4.Fax(SCX-465xF_465xFN_465xHN_4521FS_4521NS_4521HSonly)

ItemSpecication

CompatibilityITU-TG3,ECM

CommunicationSystemPSTN/PABX

ModemSpeed33.6Kbps

TXSpeedApprox.3sec(Mono/Standard/ECM-MMR,@ITU-TG3No.1)

CompressionMH/MR/MMR/JBIG/JPEG

ColorFaxYes(Txonly)

ECMYes

Page 13

ItemSpecication

Std203x98dpi

Resolution

(Mono)

Fine203x196dpi

S.Fine300x300dpi

HandsetY es(China,IranOnly)

OnhookDialYes

SearchYes(PhoneBook)

SpeedDial200locations

GroupDial100groups

2.Productspecicationanddescription

Telephone

Features

TADI/FYes

Tone/PulseSelectableinTechModeorUserMenu(dependsoneachcountry)

PauseYes

AutoRedialYes

LastNumberRedialYes

CallerIDYes

ExternalPhoneInterfaceY es

Page 14

2.Productspecicationanddescription

2.1.2.5.ControllerandSoftware

ItemSpecication

Processor433MHz

SupportingOS•Windows7(32/64bit)/2000/XP(32/64bit)/2003(32/64bit)/

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

•VariousLinuxOS:

•RedHatEnterpriseLinuxWS4,5(32/64bit)

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

•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)

•MacOSX10.4~10.7

PrinterSPL(SamsungPrinterLanguage)

TWAINYes Driver

WIAYes

•[TCP/IP]

Protocol

TCP/IPv4/IPv6,SMTP ,DNS/WINS,DDNS,DHCP,BOOTP , AutoIP,StandardTCP/IPprinting,LPR,UPnP(SSDP),Bonjour, Telnet,WSD,SLP ,SetIP

[Windows]

•Windows7(32/64bit)/2000/XP(32/64bit)/2003(32/64bit)/

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

[Mac]

•MacOSX10.4~10.7

WiredNetwork

SupportingOS

[Linux]

•RedHatEnterpriseLinuxWS4,5(32/64bit)

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

•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(32/64

bit)

•SuSELinuxEnterpriseDesktop10,11(32/64bit)

•Debian4.0,5.0(32/64bit)

WirelessNetworkN/A

Page 15

ItemSpecication

SmarThruNo

SmartPanelNo

PrinterSettingsUtilityNo

NetworkScanNo

EasyPrinterManagerYes(Windows,Mac)

2.Productspecicationanddescription

ApplicationS/W

NetworkApplication

ScanAssistantYes(Mac)

PC-FAXY es(Sendonly,Local/Network)

NOTE

4–in-1modelonly

DirectPrintingUtilityNo

SWASSyncThruWebAdminService5.0(Windows)

SetIPY es(Windows,Mac,Linux)

2.1.2.6.PaperHandling

ItemSpecication

StandardCapacity250-sheetBin-typeTray@75g/m²

Printing

Max.Size216x356mm(8.5"x14.02")

Min.Size76x183mm(3.0"x7.2")

MainTrayA4,A5,Letter,Legal,Executive,Folio,Ocio,ISOB5,JISB5

•MinimumSize(Custom):76x127mm(3x5inch)

•MaximumSize(Custom):215.9x356mm(8.5x14inch)

MediaSize

MediaT ype

ADFCapacity40sheets

ADFDocumentSize•Width:142~216mm(5.6"~8.5")

ManualTrayA4,A5,Letter,Legal,Executive,Folio,Ocio,ISOB5,JISB5,A6,

EnvelopeMonarch/Com-10/DL/C5/C6

•MinimumSize(Custom):76x127mm(3x5inch)

•MaximumSize(Custom):215.9x356mm(8.5x14inch)

DuplexN/A

MainTrayPlain,Thin,Cotton,Color,Preprinted,Recycled,

ManualTrayPlain,Envelope,Labels,CardStock,Thick,Thin,Cotton,Color,Preprinted,

Recycled,Bond,Archive

DuplexN/A

MainTray60~90g/m²(16~24lb)

ManualTray60~163g/m²(16~43lb) MediaWeight

DuplexN/A

•Length:148~356mm(5.8"~14")

Page 16

2.Productspecicationanddescription

2.1.2.7.Supplies

ItemSpecication

TonerCartridge

Partname•MLT-D117S

•SCX-D4725A(China,India,Nepal,Bangladeshonly)

Averageyield•AverageCartridgeYield2,500standardpages

(Shipswith1,000pagesStarterTonerCartridge)

NOTE

DeclaredyieldvalueinaccordancewithISO/IEC19752.

NOTE

DeclaredyieldvalueinaccordancewithISO/IEC19752.Thenumberofpagesmaybeaffectedbyoperatingenvironment, printinginterval,graphics,mediatypeandmediasize.

2.1.2.8.MaintenancePart

ItemPartCodeLife

FuserUnit•JC91-01139B(220V)

•JC91–01139A(110V)

TransferRollerJC66-01218A50,000Pages

50,000Pages

Pick-UpRubberJC73-00239A50,000Pages

2.1.2.9.ReliabilityandService

ItemsSpecication

MonthlyDutyCycle10,000pages

AverageMonthlyPrintV olume121pages

Page 17

2.1.2.10.Environment

ItemSpecication

2.Productspecicationanddescription

Dimension(WxDxH)*Machine

Weight*Machinewithconsumables

ReadymodeLessthan26dB(A)

PrintmodeLessthan53dB(A)

NoiseLevel**

TemperatureOperation10~32°C(50~90°F)

HumidityOperation20~80%RH

Powerrating***

PowerConsumption

Copymode

Scanmode

110voltmodelsAC110-127V

220voltmodelsAC220-240V

AverageoperatingmodeLessthan450W

ReadymodeLessthan65W

Powersavemode

•Platenmodel:410x295x341mm

•ADFmodel:410x295x388mm

•Platenmodel:8.87Kg

•ADFmodel:9.77Kg

•Scannerglass:Lessthan53dB(A)

•Documentfeeder:Lessthan55dB(A)

•Scannerglass:Lessthan52dB(A)

•Documentfeeder:Lessthan54dB(A)

•SCX-465x/4021SSeries:Lessthan1.5W

•SCX-465xN/4321NSSeries:Lessthan1.5W

•SCX-465xF4521FS/4521HSSeries:Lessthan2.0W

•SCX-465xFN/465xHN/4521NSSeries:Lessthan2.5

PoweroffmodeLessthan0.45W

•*Dimensionsandweightaremeasuredwithoutahandset.

•**SoundPressureLevel,ISO7779.Congurationtested:basicmachineinstallation,A4paper,simplexprinting.

•***Seetheratinglabelonthemachineforthecorrectvoltage(V),frequency(hertz)andtypeofcurrent(A)for

yourmachine.

Page 18

2.Productspecicationanddescription

2.1.3.ModelComparisonTable

Samsung

SCX-4655FN

Image

Speed(A4)24ppm20ppm18ppm

FPOT

(fromready)

Processor433MHz433MHz400MHz

Memory128MB64MB64MB

EmulationGDIGDIGDI

Paper

Capacity

Input250Bin150Bin150Bin

Output100sheet100sheet100sheet

ADF40sheet40sheet35sheet

lessthan10seclessthan8.5seclessthan8.5sec

Samsung

SCX-3405F

M1212nf

Noise(PrintMode)53dBA50dBA51dBA

TonerCartridge2.5K(1K)1.5K(0.7K)1.6K(0.7K)

Page 19

2.Productspecicationanddescription

{

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vv uu

2.2.SystemOverview

Thischapterdescribesthefunctionsandoperatingprincipalofthemaincomponent.

2.2.1.FrontView

NOTE

•Thisillustrationmaydifferfromyourmachinedependingonyourmodel.Therearevarioustypesofmachine.

•Somefeaturesandoptionalgoodsmaynotbeavailabledependingonmodelorcountry .

TypeA(SCX-4650/4021S)

1Scannerlid

2ControlPanel

3Handle

4Tray

5Frontcover

6Outputsupport

7Outputtray

8Scannerglass

9Paperwidthguideonamanualfeeder

10Tonercartridge

Page 20

2.Productspecicationanddescription

vvuu

}

{{

vvww

vvxx

vvyy

vvvv

vvzz

vv{{

vv||

vv}}

TypeB(SCX-465xN/4321NS/465xF/4521FS/4521HS/465xFN/465xHN/4521NS)

1Documentfeedercover

2Documentfeederguidecover

3Documentfeederoutputtray

4Documentfeederoutputsupport

5Controlpanel

6Handle

7Tray

8Frontcover

9Outputsupport

10Outputtray

11Scannerlid

12Scannerglass

13Paperwidthguideonadocumentfeeder

14Documentfeederinputsupport

15Documentfeederinputtray

16Handset*

17Paperwidthguideonamanualfeeder

18Tonercartridge

NOTE

*Handsetmodelonly

Page 21

2.Productspecicationanddescription

2.2.2.RearView

NOTE

•Thisillustrationmaydifferfromyourmachinedependingonyourmodel.Therearevarioustypesofmachine.

•Somefeaturesandoptionalgoodsmaynotbeavailabledependingonmodelorcountry .

TypeA(SCX-465x/4021S)

1USBport

2Powerreceptacle

TypeB(SCX-465xN/4321NS/465xF/4521FS/4521HS/465xFN/465xHN/4521NS)

1USBport

2Networkport*

3Extensiontelephonesocket(EXT)**

4Telephonelinesocket(Line)**

5Powerreceptacle

Page 22

2.Productspecicationanddescription

NOTE

*SCX-465xN/4321NS/465xFN/465xHN/4521NSSeries

**SCX-465xF/4521FS/4521HS/465xFN/465xHN/4521NSSeries

Page 23

2.2.3.PaperPath

Thefollowingdiagramdisplaysthepaththepaperfollowsduringtheprintingprocess.

2.Productspecicationanddescription

Page 24

2.Productspecicationanddescription

2.2.4.SystemLayout

Thismodelconsistsofthescannerparts,engineparts,hardwareparts,rmware.ThescannerpartsconsistsofADFand platen.TheenginepartsconsistsofthemechanicalpartscomprisingFrame,TonerCartridge,DriveUnit,Transferroller, Pickupunit,Fuser,Bin-tray .Thehardwarepartsconsistsofthemainboard,SMPS/HVPSboard,OPEboard,PCinterface.

1LSU

2TonerCartridge

3PickUpRoller

4MPTray

5FeedRoller

6Tray

7FuserUnit

8TransferRoller

9ExitRoller

10ExitDecurlRoller

11ADFUnit

12PlatenUnit

Page 25

2.Productspecicationanddescription

2.2.4.1.FeedingPart

Itisconsistsofabin-typetray,pick-uproller,frictionpadandpartsrelatedtopaperfeedinitialization.

1)InputTray

Thismodelhasabin-typetray.

Ittakesacenterloadingmethodandapplies‘frictionpadseparatingmethod.’

ThesideguidecanbeadjustedforvarioustypesofpapersfromA6tolegalsizepaper.Ithasapaperdetectingfunction, paperarrangingfunction.

2)Pick-uproller

Ithasfunctionssuchasapaperpickupfunction,drivingcontrolfunction,paperfeedingfunction,andremovingelectronic staticfunction.Pickuprollerisdrivenbysolenoid.

Page 26

2.Productspecicationanddescription

2.2.4.2.TransferRoller

ThetransferrollerdeliversthetoneroftheOPCdrumtothepaper.

•LifeSpan:Printover50,000sheets(in15~30°C)

2.2.4.3.DriveUnit

Thedriveunitconsistsofastepmotor,variousgearsforOPC,Pick-up,Feed,Fuser.

•DrivingFrequency:StepMotor880PPS(1100rpm)

•Itisapowerdeliveryunitbygearing:StepMotor→Pick-up/Feeder/Transfer/Fuser/Exit

Page 27

2.Productspecicationanddescription

2.2.4.4.FuserUnit

ThisunitconsistsofHeatRoller,aThermostat,andThermistor,etc.Itfusesthetonerthatwastransferredbythetransfer rollerontothepaper,byapplyingheatandpressuretocompletefusingprocess.

1)Thermostat

Whenaheatlampisoverheated,aThermostatcutsoffthemainpowertopreventover-heating.

•ThermostatT ype:Non-ContacttypeThermostat

•ControlTemperature:195°C±5°C

2)Thermistor

Itisatemperaturedetectingsensor.

•TemperatureResistance:7kΩ(180°C)

3)Heatroller

Theheatrollertransferstheheatfromthelamptoapplyaheatonthepaper.

ThesurfaceofaheatrolleriscoatedwithT eon,sotonerdoesnotsticktothesurface.

4)Pressureroller

Apressurerollermountedunderaheatrollerismadeofasiliconresin,andthesurfacealsoiscoatedwithTeon.Whena paperpassesbetweenaheatrollerandapressureroller,toneradherestothesurfaceofapaperandispermanentlyfused.

5)HalogenLamp

•V oltage:110V(115±10%)/220V:230±10%

•Capacity:750Watt±5%

Page 28

2.Productspecicationanddescription

2.2.4.5.LSU(LaserScannerUnit)

ItisthecorepartoftheLBPwhichswitchesfromthevideodatareceivedtothecontrollertotheelectrostaticlatentimage ontheOPCdrumbycontrollinglaserbeam,exposingOPCdrum,andturningprincipleofpolygonmirror.TheOPCdrumis turnedwiththepaperfeedingspeed.TheHSYNCsignaliscreatedwhenthelaserbeamfromLSUreachestheendofthe polygonmirror,andthesignalissenttothecontroller.ThecontrollerdetectstheHSYNCsignaltoadjusttheverticallineof theimageonpaper.Inotherwords,aftertheHSYNCsignalisdetected,theimagedataissenttotheLSUtoadjusttheleft marginonpaper.Theonesideofthepolygonmirrorisonelineforscanning.

Page 29

2.Productspecicationanddescription

2.2.4.6.TonerCartridge

Byusingtheelectronicphotoprocess,itcreatesavisualimage.Inthetonercartridge,theOPCunitandthedeveloping unitareinabody .TheOPCunithasOPCdrumandchargingroller,andthedevelopingunithastoner,supplyroller, developingroller,andblade.

•DevelopingMethod:Nonmagnetic1elementcontactingmethod

•Toner:Nonmagnetic1elementshattertypetoner

•Thelifespanoftoner(ISO19752pattern/A4standard)

-Initialtoner:1K

-Salestoner:2.5K

•OPCCleaning:Collectthetonerbyusingcleaningblade

•Handlingofwastedtoner:Collectthewastedtonerinthecleaningframebyusingcleaningblade

•Classifyingdevicefortonercartridge:IDisclassiedbyCRUM

1OPCDrum

2ChargeRoller

3DevelopingRoller

4SupplyRoller

Page 30

2.Productspecicationanddescription

2.2.5.Hardwareconguration

TheSCX-465x_4x21seriesElectricalCircuitSystemconsistsofthefollowing:

•Mainboard(Systemboard)

•OPEboard

•HVPS/SMPSboard

•Faxboard

Thereare4typesofmaincontrollerdependingonmodel.Refertothetablebelowforthespecicationofeachcontroller.

DesignSpecications

SCX-4650SCX-4650NSCX-4650FSCX-4655FN

ModelC3NC3NC3NC3N

ASIC

Speed433MHz433MHz433MHz433MHz

PCB4L,140*83.25mm

Program4MB8MB8MB8MB

ROM

FAXBackupn/an/a8MB8MB

RAMDDR264MByte64MByte64MByte128MByte

EEPROM8KB32KB64KB64KB

EngineA4984A4984A4984A4984

PlatenA4984A4984A4984A4984 MotorDriverIC

ADFn/aA4984A4984A4984

AFEICLAFE1001LAFE1001LAFE1001LAFE1001

DC/DC24V-5VG5753G5753G5753G5753

Converter5V -3.3VSN1001043SN1001043SN1001043SN1001043

FAXn/an/aConnexantConnexant

Handsetn/an/aChinaOnlyChinaOnly

3–in-1MFP4–in-1MFP

RTCbackupn/an/aYesY es

HeadtoChinaYesY esYesY es

WiredI/FICn/a

USBI/FHi-speedUSB2.0Hi-speedUSB2.0Hi-speedUSB2.0Hi-speedUSB2.0

Panel2LineLCDw/obacklight

MicomSTM8SP103(UART)

RTL8201F

(10/100)

n/a

RTL8201F

(10/100)

Page 31

DiagramoftheSCX-465x_4x21seriesElectricalCircuit

INLET

Ch orus3_ Next

Core : 433MHz

SYSTEM : 150MHz

DDR : 300MHz

ARM1176

FUSER Unit

ThermoSta t

Thermistor 1

PickUp

Clutch

DEVELOPER Unit

OPC

MHV

DEV

Supply

THV

DRUM

Main

Motor

STEP

C R U M

NETWORK

RTL8201 F

25MHz

SOL

LSU

MODEM

CONEXENT

CISM

AFE

LAFE 1001

ADF_P_ DET

ADF_P_P OS

STEP

ADF

MOTOR

SCAN MOTOR DR IVER

A4984SLPTR

STEP

4 3

2 1

Clock Gener ator ASM3P2863 AF

MCLK

MAIN

Con troller

Width

Sensor

Feed

Sensor

000

ADF MOTOR DRIVER

A4984SLP TR

3 4 5 6 7 8 9 10 11 12

ADF_C_S ENS

S MPS & HVP S

Wi-Fi

Wirele ss Mod el Only

123

123456789

9 8 7 6 5 4 3 2 1

54321

SCAN

HOME

FUSE R CONTROL

THERMISTOR

TOP Cover

Micro Switch

3.3V

+24V

24VS

3.3V

24V

USB Device

14P

30P

12P

11P5P2P4P

Ne twork Mod el Only

DDR2 SDR AM

NT5TU32 M16C G-3C

(64MB)

(4-in-1 Netwo rk : 128MB)

EEPR OM

M24512 X 1E A

64KB

(3-in-1 Bas ic : 8KB

3-in-1 Netwo rk : 32KB)

SERIAL Flash

(FAX B/U)

W25Q64

8MB

SERIAL Flash (OS)

W25Q64

8MB

(3-in-1 Netwo rk : 4MB)

OP E

OP E MICOM

STM8S 103

SPEAKER

FAX

Engine MOTOR DRIVER

A4984SLP TR

3-in -1 Ne twor k,

4-in -1 On ly

VCLK

FUSE R Contr ol

Relay C ontrol

HVPS Co ntrol

SMPS SLEEP DOWN

4-in-1 O nly

FAN

4-in -1 On ly

Rear C over

Sensor

123

2.Productspecicationanddescription

SCX-465x_4x21serieshasasystemboardofintegratedenginecontrollerandvideocontroller.

Theenginecontrollercontrolsallmodulesrequiredtoprint,thatis,LSU,HVPS/SMPS,Fuser,Motoretc.Itcommunicates withthevideocontrolblockinsideCPUforprinting.Andithastheinterfaceforallvideosyncsignaltoprintout thevideodata.

ThevideocontrollerreceivesprintdatafromthehostthroughnetworkorUSBPort.Ittakesthisinformationandgenerates printablevideobitmapdata.

Themainboardisadopted433MHzC3NCPUthatisintegratedwithenginecontroller,videocontroller,scancontroller .It uses64MB(128MB:FNmodelonly)DDR2Memory.

Page 32

2.Productspecicationanddescription

Circuitboardlocations

Thefollowingdiagramsshowthelocationsoftheprintercircuitboards:

Page 33

2.Productspecicationanddescription

2.2.5.1.Mainboard

Chorus3–Next(C3N)chipisadoptedasthemainprocessor.Itsprocessspeedis433MHz.Itisintegratedenginecontroller, videocontroller,scancontroller.

DDR264MB(128MB:FNmodelonly)isadoptedforhighspeeddataprocessing.Boothas8MBSPI+8MBSPI.

USBistheembeddedtypeandwirednetworksupports100Mfullduplex.

[Mainboarddiagram]

Page 34

2.Productspecicationanddescription

[Mainboardimage]

•Connection

1MOTORinterfaceconnector

2POWERinterfaceconnector

3LSUinterfaceconnector

4FANinterfaceconnector(willbedeleted)

5CRUMinterfceconnector

6Rear-CoverSENSORconnector

7OPEconnector

8Thermisterinterfaceconnector

9PLATENSCANMOTORinterfaceconnector

10HOMESENSORconnector

•Information

-Partcode: ▪SCX-4650:JC92–02575A ▪SCX-4650N:JC92–02574A ▪SCX-4655F:JC92–02573A ▪SCX-4655FN:JC92–02572A

-Partname:PBA-MAN

11ADFSCANMOTORinterfaceconnector

12CISinterfaceconnector

13FAXinterfaceconnector

14Pick-upClutchconnector

15SENSORinterfaceconnector

16USBdeviceconnector

17Wiredinterfaceconnector(N-modelonly)

18Debuggerconnector(willbedeleted)

19Wirelessinterfaceconnector(notused)

Page 35

2.Productspecicationanddescription

2.2.5.2.OPEboard

TheOPEControlleriscomposedofanOPEMICOM(STM8SP103K3MAFTR),SatusLED,ModeLED,Animation LED,PowerLED,WPSLED,16x2LineLCD.OPEcommunicateswithmaincontrollerviaUART.ThepowerLED iscontrolledbythemainboard.

•OPEboarddiagram

•OPEboardimage

•Information

-Partcode:JC92–02404A

-Partname:PBA-OPE

•Connection

1Interfaceconnectortomainboard

Page 36

2.Productspecicationanddescription

2.2.5.3.Faxboard(4–in-1modelonly)

Faxcontroller(FCON)controlsthefaxsendingandreceiving.Itconsistsofmodemchipandaudiocontrolchip.

•Information

-PartCode:JC92–01746F/G

-PartName:PBA-LIU

•Connection

1Interfaceconnectortomaincontroller

2Speakerinterface

Page 37

2.Productspecicationanddescription

2.2.5.4.SMPS/HVPSboard

SCX-465x/4x21serieshasapowerboardofintegratedSMPSandHVPS.

TheSMPS(SwitchingModePowerSupply)BoardsupplieselectricpowertotheMainBoardandotherboardsthrougha MainController .Thevoltageprovidedincludes+24Vfroma110V/220Vpowerinput.

TheHVPSboardgenerateshigh-voltagechannelswhichincludesMHV ,DEV ,SUPPLY ,THV+,THV-.

[SMPS/HVPSboardimage]

•Specication

-GeneralInput/OutputV oltage

-AC110V(90V~135V)

-AC220V(180V~270V)

-InputCurrent:6A(110V)/3A(220V)

-OutputPower:50W ▪DC24V:50W

•Information

110V220V

PartCodeJC44–00224AJC44–00225A

PBAnameSMPSV1SMPSV2

•Connection

1AC_Inlet

2FUSER_ACOutput

3Output_DC

Page 38

2.Productspecicationanddescription

•Input/Outputconnector

ACOutputConnector(CN2)

PinAssignPinNo.Description

1AC_L

2AC_N

DCOutputConnector(CN1)

PINNOPINASSIGNDescription

1THV_READReadTHV

2PWM_MHV

3nTHV_ENEnableTHV

4PWM_DEV_DC

5+3.3V_COVERCoverClose

7+3.3V+3.3V

8N.CNotconnected

9PWM_THV

10N.CNotconnected

11GNDGround

12+24VS24VS

SMPS_DOWN24V

outputdown

ACOutputforHeaterController

13GNDGround

14GNDGround

15+24V24V

16RELAY_ONFuserRelay

17+24V24V

18GNDGround

19+24V24V

20FUSER_ONFuserenable

Page 39

2.2.5.5.ElectricalPartsLocation

1)Sensors

2.Productspecicationanddescription

NoDescriptionControllerFunction

S1Photointerrupter(ADFCoverOpensensor)ADFboardCoverOpendetection

S2Photointerrupter(PaperEmptySensor)ADFboardPaperdetection

S3Photointerrupter(ADFJamSensor)ADFboardPaperdetection

S4Photointerrupter(PaperEmpty/WidthSensor)MainboardPaperdetection

S5Photointerrupter(FeedSensor)MainboardPaperdetection

S6SwitchFrontCoverMainboardCoverOpendetection

S7Photointerrupter(JamCoverOpensensor)MainboardCoverJamdetection

S8Photointerrupter(HomeSensor)MainboardBracket-CISdetection

Page 40

2.Productspecicationanddescription

2)Motor,Clutch

No.Description

M1ADFmotor

M2Scanmotor

M3Pickupsolenoid

C1Mainmotor

Page 41

2.Productspecicationanddescription

2.2.6.EngineF/WContolAlgorithm

2.2.6.1.Feeding

Iffeedingfromatray,thedriveofthepickuprolleriscontrolledbycontrollingtheclutch.Theon/offoftheclutchis controlledbycontrollingthegeneraloutputportortheexternaloutputport.Whilepapermoves,occurrenceofJam isjudgedasbelow.

ItemDescription

JAM0•Afterpickingup,paperdoesnotreachtheFeedSensorwithinapredeterminedtime.

•Afterpickingup,ifthefeedsensorisnoton,re-pickupwillbeinitiated.Afterre-pickingup,ifthe

feedsensorisnotonaftercertaintime,itisJAM0

•Eventhoughthepaperreachestothefeedsensor,thefeedsensordoesnotdetecttheleadedgeof

thepaper.

JAM1•Aftertheleadingedgeofthepaperpassesthefeedsensor,thetrailingedgeofthepaperdoesnotclear

thesensorthefeedsensorafterpredeterminedperiodoftime.

2.2.6.2.Transfer

Thechargingvoltage,developingvoltageandthetransfervoltagearecontrolledbyPWM(PulseWidthModulation).The eachoutputvoltageischangeableduetothePWMduty.Thetransfervoltageadmittedwhenthepaperpassesthetransfer rollerisdecidedbyenvironmentconditions.Theresistancevalueofthetransferrollerischangedduetothesurrounding environmentortheenvironmentoftheset,andthevoltagevalue,whichchangesduetotheenvironment,ischangedthrough theADconverter .Thevoltagevalueforimpressingtothetransferrollerisdecidedbythechangedvalue.

Page 42

2.Productspecicationanddescription

2.2.6.3.Fusing

Thetemperaturechangeoftheheatroller’ssurfaceischangedtotheresistancevaluethroughtheuseofathermistor.The MainBoardusestheresistancevalueoftheThermistorandconvertsittoavoltagevaluethroughtheuseofanAD converter,thetemperatureisdecidedbasedonthevoltagevalueread.TheACpoweriscontrolledbycomparingthetarget temperaturetothevaluefromthethermistor.Ifthevaluefromthethermistorisoutofcontrollingrangewhilecontrolling thefusing,theerrorstatedinthebelowtableoccurs.

•OpenHeatError

Whentheengineoperatesthewarm-upprocess,ifthetemperatureofthexingunitisnothigherthanaspecied temperaturewithinapredeterminedtime,theenginedenesOpenHeatError.Whenthiserrorisdetected,theengine stopsallfunctionsandkeepstheerrorstate.Also,theengineinformstheerrorstatusofthemainsystem,soitcantake appropriateaction;andthentheerrormessageisdisplayedatLCDwindoworLEDinformingtheerrorstatusoftheuser.

•LowHeatError

Whentheengineisatstand-by,printingorwarm-upmode,ifthetemperatureofthexingunitislowerthanthe speciedtemperatureateachstateandthelowertemperaturestateismaintainedduringthespeciedtime,theengine denesLowHeatError.Whenthiserrorisdetected,theenginestopsallfunctionsandkeepsitattheerrorstate.Also, theengineinformstheerrorstatusofthemainsystem,soitcantakeappropriateaction;andthentheerrormessage isdisplayedatLCDwindoworLEDinformingtheerrorstatusoftheuser.

•OverHeatError

Foroverallenginestate,ifthetemperatureofthexingunitishigherthanthespeciedtemperatureandthetemperature stateisdetectedforaspecicduration,thentheenginedenesOverHeatError.Whenthiserrorisdetected,theengine stopsallfunctionsandkeepsitattheerrorstate.Also,theengineinformstheerrorstatusofthemainsystem,soit cantakeappropriateaction;andthentheerrormessageisdisplayedatLCDwindoworLEDinformingtheerror statusoftheuser.

2.2.6.4.LSU

LSUreceivestheimagedatafromPVCorHPVCandmakethelatentimageonOPCsurface.Itusesthedualbeam, LD.TheerrorsrelatedtoLSUareasfollows:

•ByLready

Whentheprintingisstarted,theenginedrivesthepolygonmotorofLSU.Afterthespeciedtimeiselapsed,ifthe motorisnotinareadystatus,theenginedetectstheerrorthatthepolygonmotorisnotinareadystatus.Ifthiserror happens,theenginestopsallfunctionsandkeepsitattheerrorstate.Also,theengineinformstheerrorstatusofthe mainsystemandtheerrormessageisdisplayedatLCDwindoworLEDinformingtheerrorstatusoftheuser .

•ByHsync

Whenthepolygonmotorisready,theLSUsendsoutthesignalcalledHsyncandusedtosynchronizewitheachimage line.So,iftheenginedoesnotdetectconsecutivelythesignalforaxedtime,itdenestheHsyncError.Ifthiserror happens,theenginestopsallfunctionsandkeepsitattheerrorstate.Also,theengineinformstheerrorstatusofthe mainsystemandthentheerrormessageisdisplayedatLCDwindoworLEDinformingtheerrorstatusoftheuser.LSU ErrorRecovery:IftheLReadyorHsyncerrorhappens,thepaperisexitedbeforetheerrorcodeisinitiated.Theengine modeischangedtorecoverymodeandtheengineinformsthemainsystemoftheenginemode.Theenginerechecks theLSUerror,iftheerrordoesnotreoccurprintingisresumed.

Page 43

2.2.7.SoftwareDescriptions

P r in te r /MFP

HOS T

S o ftw a re

Driv e r

Web-bas e d

Applic a tio n

S ta n d-alo n e

Applic a tio n

Fi rm ware

Applic a tio n (Em ulatio n )

Ker n e l

2.2.7.1.Softwaresystemoverview

Thesoftwaresystemofthismodelisconstructedwith

•HostSoftwarepartthattheapplicationsoftwareoperatedinWindowandW ebEnvironment

•FirmwarepartsthatisaEmbeddedsoftwarecontrolsprintingjob.

2.2.7.2.Architecture

2.Productspecicationanddescription

HostSoftwareismadeupof

1)GraphicUserInterfaceoffersthevariouseditingfunctionstouserinHost.

2)DrivertranslatesthereceiveddocumenttoaPrintingCommandlanguagewhichprintercanunderstandandtransfers datatospooler .

3)Stand-aloneApplicationoffersthevariousprintingapplicationsuchasEasyPrinterManager,PrinterStatusinWindow system.

4)Web-based-ApplicationoffersthesamefunctionsasStand-aloneApplicationinWebenvironment.

Firmwareismadeupof

1)Application(Emulation)thatisainterpretertranslatesdatareceivedfromHosttoaprintinglanguage(GDI)tobeableto maketheusertotakesameoutputasoriginallyonewhatcomposedinHost.

2)KernelcontrolsandmanagethewholeprocedureincludingControlowandPrintingJobbeforetransferringtoEngine system.

Page 44

2.Productspecicationanddescription

Drive r

- PCL3, P S3

Web-b as e d

- Docume nt Manag ement

S ys tem

- Network Ad ministration

- S tatus Monitor

- Re mo te Contro l Pane l

S tan d-alone

- P rinte r S etting Utility

- Network Ad ministration

- S tatus Monitor

Netw o r k

Interfa c e

Applic a tio n

KERNEL

Applic a tio n

(Em ulatio n )

- P CL

- P S 3

Eng in e

US B

Ho s t Firmwa re

2.2.7.3.DataandControlFlow

TheaboveBlockDiagramisexplainedthat:

HostSideismadeupof

1)DriverthatisWindowsapplicationsoftwaretranslateprinteddatatooneofprinterlanguageandcreatespoolerle.

2)Web-basedApplicationthatofferavariousprinteradditionalfunctions,managementofprintingjob,printer administration,StatusmonitortomonitoringtheprinterstatusbyrealtimeinWeb,independentenvironmentonOS.

3)Stand-aloneApplicationthatisasimilarWindowsoftwareassameasabove2.

4)PortMonitorthatmanagesthenetworkcommunicationbetweenspoolerandNetworkInterfaceCard,orvarious additionalapplicationandNetworkInterfaceCard,(thisis,atrst,makecommunicationlogicalport,managethedata, transferthemfromspoolertonetworkport,andoffertheresultofprinting).

FirmwareSideismadeupof

1)NetworkInterfaceCardisthatrelaythecommunicationbetweenHostandkernelusingvariousnetworkprotocol.

2)Kernelisthatmanagestheowcontrolofemulationprocedure,receivingdatafromHostorNetworkcardandprinting withengine&renderingjob.

Page 45

2.Productspecicationanddescription

3)Emulationisthatinterpretsthevariousoutputdatafromselectedemulation.

4)Engineisthatprintsrenderedbit-mapdatatopaperwithrequiredsizeandtypebyKernel.

Andthen,forJobSpoolingfunctionforMulti-User,Multi-PrintingthatisoccurredinNetworkprintingandvarious additionalprintingfunctions,thisKernelusemax.10Queuingsystemsinamemory.

InPrinting,thetwoproceduresare

1)CaseofusingUSBPort

•AfteruserstarttoprintthewanteddocumenttoPCLstringorcompressedGDIbit-mapdata,theDrivertranslates theallgraphicdataoftheclientPCandsenddatatohostspooler.Andthenthespoolersendsthedatastreamto theprinterviaUSBport.

•KernelreceivesthisdatafromHost,andthenselectemulationttodataandstartselectedone.Afteremulationjob end,Kernelsendstheoutputbit-mapdatatoEngineusingPrinterVideoController(byclocktypeforLSU).

•Engineprintthereceiveddatatorequiredpaperwiththesequentialdevelopingprocess.

2)CaseofusingNetworkInterfaceCard

•AfteruserstarttoprintthewanteddocumenttoPCLstringorcompressedGDIbit-mapdata,Drivertranslatethe allgraphicdataofitandsenddatatohostspooler.

•Ifso,PortmonitormanagingnetworkportreceivesdatafromspoolerandsendsadatastreamtotheNetwork InterfaceCard.

•NetworkinterfacecardreceivesitandsendtoKernelpart.

•KernelreceivesthisdatafromHost,andthenselectemulationttodataandstartselectedone.Afteremulationjob end,Kernelsendstheoutputbit-mapdatatoEngineusingPrinterVideoController(byclocktypeforLSU).

•Engineprintthereceiveddatatorequiredpaperwiththesequentialdevelopingprocess.

Page 46

3.DisassemblyandReassembly

3.1.Precautionswhenreplacingparts

3.1.1.Precautionswhenassemblinganddisassembling

•UseonlyapprovedSamsungspareparts.Ensurethatpartnumber,productname,anyvoltage,currentortemperature

ratingarecorrect.Failuretodosocouldresultindamagetothemachine,circuitoverload,reorelectricshock.

•Donotmakeanyunauthorizedchangesoradditionstotheprinter,thesecouldcausetheprintertomalfunctionand

createelectricshockorrehazards.

•Takecarewhendismantlingtheunittonotewhereeachscrewgoes.Thereare19differentscrews.Useofthewrong

screwcouldleadtosystemfailure,shortcircuitorelectricshock.

•DonotdisassembletheLSUunit.Onceitisdisassembleddustisadmittedtothemirrorchamberandwillseriously

degradeprintquality.Therearenoserviceablepartsinside.

•Regularlychecktheconditionofthepowercord,plugandsocket.Badcontactscouldleadtooverheatingandrfe.

Damagedcablescouldleadtoelectricshockorunitmalfunction.

3.1.2.PrecautionswhenhandlingPBA

StaticelectricitycandamageaPBA,alwaysusedapprovedanti-staticprecautionswhenhandlingorstoringaPBA.

•PrecautionswhenmovingandstoringPBA

1)PleasekeepPBAinaconductivecase,anti-staticbag,orwrappedinaluminumfoil.

2)DonotstoreaPBAwhereitisexposedtodirectsunlight.

•PrecautionswhenreplacingPBA

1)Disconnectpowerconnectorsrst,beforedisconnectingothercables.

2)Donottouchanysolderedconnections,connectorterminalsorotherelectronicpartswhenhandlinginsulatedparts.

•PrecautionswhencheckingPBA

1)BeforetouchingaPBA,pleasetouchothergroundedareasofthechassistodischargeanystaticelectricalcharge onthebody .

2)TakecarenottotouchthePBAwithyourbarehandsormetalobjectsasyoucouldcreateashortcircuitorgetan electricshock.TakeextracarewhenhandlingPBAswithmovingpartsttedsuchassensors,motorsorlampsas theymaygethot.

3)Takecarewhentting,orremoving,screws.Lookoutforhiddenscrews.Alwaysensurethatthecorrectscrewis usedandalwaysensurethatwhentoothedwashersareremovedtheyarerettedintheiroriginalpositions.

Page 47

3.DisassemblyandReassembly

3.1.3.ReleasingPlasticLatches

Manyofthepartsareheldinplacewithplasticlatches.Thelatchesbreakeasily;releasethemcarefully.

Toremovesuchparts,pressthehookendofthelatchawayfromtheparttowhichitislatched.

Page 48

3.DisassemblyandReassembly

3.2.Screwsusedintheprinter

Thescrewslistedinthetablebelowareusedinthisprinter .Pleaseensurethat,whenyoudisassembletheprinter,youkeep anoteofwhichscrewisusedforwhichpartandthat,whenreassemblingtheprinter,thecorrectscrewsareusedinthe appropriateplaces.

NOTE

ThislistisbasedonSCX-4655FN.So,thislistmaydifferfromyourmachinedependingonitsmodel.

PartsCodeLocationDescriptionQty

6002-000440FRAME-LOWERSCREW-TAPPING;PWH,+,2,M3,L8,ZPC(BLK),SWRCH18A1

6003-000196FRAME-LOWERSCREW-TAPTYPE;PWH,+,B,M3,L10,NIPLT,SWRCH18A31

6003-000282FRAME-LOWERSCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,-2

6003-000269FUSERSCREW-TAPTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,-6

6003-000282FUSERSCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,-2

6003-000196FUSER-UPPERSCREW-TAPTYPE;PWH,+,B,M3,L10,NIPL T ,SWRCH18A1

6003-000282FUSER-UPPERSCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,-2

6003-000269FUSER-LOWERSCREW-T APTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,-2

6002-000308FRAME-HINGE

CRUM

6003-000196FRAME-PATHSCREW-TAPTYPE;PWH,+,B,M3,L10,NIPL T ,SWRCH18A1

6003-000269FRAME-PATHSCREW-TAPTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,-2

6003-000269ELAUNIT-RX

DRIVE

6003-000282ELAUNIT-LSUSCREW-T APTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,-7

6003-000282ELAUNIT -LSULDSCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,-2

6003-000196COVER-REAR;SCREW-TAPTYPE;PWH,+,B,M3,L10,NIPLT,SWRCH18A3

6003-000196COVER-MIDDLESCREW-TAPTYPE;PWH,+,B,M3,L10,NIPL T ,SWRCH18A2

6003-000282SCANNERSCREW-T APTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,-4

6003-000196PLA TENSCREW-TAPTYPE;PWH,+,B,M3,L10,NIPLT,SWRCH18A4

6003-000196PLA TEN-LOWERSCREW -TAPTYPE;PWH,+,B,M3,L10,NIPLT,SWRCH18A5

6003-000269DRIVEPLA TENSCREW-TAPTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,-2

6003-000196OPESCREW-TAPTYPE;PWH,+,B,M3,L10,NIPL T ,SWRCH18A4

6003-000196ENGINESCREW-TAPTYPE;PWH,+,B,M3,L10,NIPLT,SWRCH18A20

6003-000196FAXSCREW-TAPTYPE;PWH,+,B,M3,L10,NIPL T ,SWRCH18A4

SCREW-T APTYPE;PH,+,-,B,M2.6,L6,ZPC(WHT),SWRCH18A,-4

SCREW-T APTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,-6

6003-000269MAINLINESCREW-T APTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,-4

Page 49

3.3.ReplacingtheMainSVCparts

NOTE

•Thepictureinthischaptermaydifferfromyourmachinedependingonitsmodel.

•BeforereplacingtheSVCparts,removethetonercartridge.

3.3.1.Cover

3.DisassemblyandReassembly

1.Openthejamcover.Remove3screws.Andremove therearcover.

2.Openthefrontcover.Remove2screwstoremoveboth sidecovers.

3.Removetherightcoverbyreleasingbottomandside hooks.

4.Removetheleftcoverbyreleasingbottomandside hooks.

Page 50

3.DisassemblyandReassembly

3.3.2.OPEUnit

1.LiftuptheOPEunitwhileholdingthelever.

2.PullandreleasetheOPEunit.Unplugtheconnector .

3.RemovetheOPEbottomcoverafterremoving4screws.

4.RemovetheOPEboardafterremoving1screw.

Page 51

3.3.3.ScannerUnit

3.DisassemblyandReassembly

1.Removerear/left/rightcovers.(Referto3.3.1)

2.Remove1screwfromthefront.

3.Remove1screwfromtherear.

5.Unplugallconnectorsconnectingthescanner.

6.Liftupandreleasethescannerunit.

4.Remove2screwsfromtheleft.

Page 52

3.DisassemblyandReassembly

3.3.4.ADFunit

1.OpentheADFunit.

2.Removetheconnectorcover.Unplugtheconnector .

AndliftuptheADFunit.

Page 53

3.3.5.CIS(ContactImageSensor)Unit

3.DisassemblyandReassembly

1.RemovetheScannerUnit.(Referto3.3.3)

2.RemovetheADFUnit.(Refer3.3.4)

3.Remove4screwsfromthebottomoftheplaten.

4.Removetheplatenupperfromtheplatenlower.

5.UnplugtheCISatcable.ReleasetheCISUnit.

Page 54

3.DisassemblyandReassembly

3.3.6.MiddleCover

1.Removerear/left/rightcovers.(Referto3.3.1)

2.RemovetheScannerunit.(Referto3.3.3)

3.Remove6screwsfromthetop.

4.Remove2screwsfromtheright.Unplug1connector.

5.Liftupandreleasethemiddlecover.

Page 55

3.DisassemblyandReassembly

3.3.7.Mainboard

1.Removerightcover.(Referto3.3.1)2.Unplugallconnectorsonmainboard.Remove4 screws.Andremovethemainboard.

3.3.8.Faxboard

1.Removethefaxboardcoverafterremoving2screws.2.Unplugtheatcable.Remove1screw.Andremove thefaxboard.

Page 56

3.DisassemblyandReassembly

3.3.9.SMPS_HVPSboard

1.Removeright/rearcover.(Referto3.3.1)

2.Remove2screws.

3.Removethemainboardshieldandfaxboardafter

removing3screws.

4.RemovetheSMPScoverafterremoving2screws.

5.Unplugthefuserconnector.Remove6screws.And

removetheSMPS/HVPSboard.

Page 57

3.3.10.FuserUnit

3.DisassemblyandReassembly

1.Removetheright/rearcover.(Referto3.3.1)

2.RemovetheSMPScover.(Referto3.3.9)

3.Unplugthefuserconnector.

3.3.11.Transferroller

1.Releasethetransferrollerwhilepushingtheholderand

hooktothedirectionofarrows.

4.Removethefuserunitafterremoving4screws.

Page 58

3.DisassemblyandReassembly

3.3.12.LSU

1.Removethemiddlecover.(Referto3.3.6)2.Remove3screws.Unplug2connectors.Andremove theLSU.

3.3.13.FeedSensorPBA

1.Removetherearcover.(Referto3.3.1)

2.ReleasetheFeedSensorPBAwhilepullingupthe

hook.Unplugtheconnector .

Page 59

3.3.14.MainDriveUnit

3.DisassemblyandReassembly

1.Removetheleftcover.(Refer3.3.1)

2.ReleasetheMainDriveUnitafterremoving6screws.

3.Unplugtheconnectortoreleasethemaindriveunit

perfectly.

4.Removethestepmotorafterremoving2screws.

Page 60

3.DisassemblyandReassembly

3.3.15.PickUpSolenoid

1.Removetherearcover.(Refer3.3.1)

2.ReleasetheFrame-Pathunitafterremoving7screws.

3.3.16.Pickuproller

1.Removethepickuprollerafterreleasingthepickup

stopper.

3.Remove2gearsbyreleasingthehooks.Removethe pickupsolenoidafterremoving1screw.

Page 61

4.AlignmentandTroubleshooting

4.1.AlignmentandAdjustments

Thischapterdescribesthemainfunctionsforservice,suchastheproductmaintenancemethod,thetestoutputrelatedto maintenanceandrepair,Jamremovingmethod,andsoon.Itincludesthecontentsofuserguide.

4.1.1.ControlPanel

NOTE

Thiscontrolpanelmaydifferfromyourmachinedependingonitsmodel.Therearevarioustypesofcontrolpanels.

TypeA(SCX-465x/465xN/4021S/4321NSSeries)

1EcoTurnintoecomodetoreducetonerconsumptionandpaperusagewhen

pc-printingandcopyingonly

DarknessAdjustthebrightnessleveltomakeacopyforeasierreading,whentheoriginal

containsfaintmarkingsanddarkimages.

Page 62

4.AlignmentandTroubleshooting

PrintScreenPressthisbuttonandthedisplaywillPrintScreen?onthedisplayscreen.If

youwanttoprintonlytheactivescreen,selecttheActive.Ifyouwanttoprint thewholescreen,selectFull.

NOTE

•PrintScreencanonlybeusedintheWindowsandMacintoshoperating systems.

•YoucanonlyusethisfunctionwithUSB-connectedmachine.

•Whenprintingtheactivewindow/wholemonitorscreenusingtheprint screenbutton,themachinemayusemoretonerdependingonwhatis beingprinted.

•Youcanonlyusethisfunctionifthemachine’ sSamsungEasyPrinter Managerprogramisinstalled.IfyouareaMacintoshOSuser,youneed toenableScreenPrintSettingsfromtheSamsungEasyPrinterManager tousethePrintScreenfeature.

3ScantoSendsscanneddata.

4IDCopyAllowsyoutocopybothsidesofanIDcardlikeadriver’slicenseonasingle

sideofpaper.

5Power/W akeupTurnsthepoweronoroff,orwakesupthemachinefromthepowersavemode.

Ifyouneedtoturnthemachineoff,pressthisbuttonformorethanthreeseconds.

6DisplayscreenShowsthecurrentstatusanddisplayspromptsduringanoperation.

7MenuOpensMenumodeandscrollsthroughtheavailablemenus.

8Left/RightArrowsScrollsthroughtheoptionsavailableintheselectedmenuandincreasesor

decreasesvalues.

9OKConrmstheselectiononthescreen.

10BackSendsyoubacktotheuppermenulevel.

11StartStartsajob.

12Stop/ClearStopsanoperationsatanytime.

13StatusLEDIndicatesthestatusofyourmachine.

Page 63

TypeB(SCX-465xF/4521FS/4521HS/465xFN/465xHN/4521NSSeries)

4.AlignmentandTroubleshooting

1EcoTurnintoecomodetoreducetonerconsumptionandpaperusagewhen

pc-printingandcopyingonly

DarknessAdjustthebrightnessleveltomakeacopyforeasierreading,whentheoriginal

containsfaintmarkingsanddarkimages.

PrintScreenPressthisbuttonandthedisplaywillPrintScreen?onthedisplayscreen.If

youwanttoprintonlytheactivescreen,selecttheActive.Ifyouwanttoprint thewholescreen,selectFull.

NOTE

•PrintScreencanonlybeusedintheWindowsandMacintoshoperating

systems.

•YoucanonlyusethisfunctionwithUSB-connectedmachine.

•Whenprintingtheactivewindow/wholemonitorscreenusingtheprint

screenbutton,themachinemayusemoretonerdependingonwhatis beingprinted.

•Youcanonlyusethisfunctionifthemachine’ sSamsungEasyPrinter

Managerprogramisinstalled.IfyouareaMacintoshOSuser,youneed toenableScreenPrintSettingsfromtheSamsungEasyPrinterManager tousethePrintScreenfeature.

3IDCopyAllowsyoutocopybothsidesofanIDcardlikeadriver’slicenseonasingle

sideofpaper.

4Power/W akeupTurnsthepoweronoroff,orwakesupthemachinefromthepowersavemode.

Ifyouneedtoturnthemachineoff,pressthisbuttonformorethanthreeseconds.

Page 64

4.AlignmentandTroubleshooting

5FaxSwitchestoFaxmode.

6CopySwitchestoCopymode.

7ScanSwitchestoScanmode.

8MenuOpensMenumodeandscrollsthroughtheavailablemenus.

9Left/RightArrowsScrollsthroughtheoptionsavailableintheselectedmenuandincreasesor

decreasesvalues.

10OKConrmstheselectiononthescreen.

11BackSendsyoubacktotheuppermenulevel.

12StartStartsajob.

13Stop/ClearStopsanoperationsatanytime.

14StatusLEDIndicatesthestatusofyourmachine.

15NumerickeypadDialsanumberorentersalphanumericcharacters.

16OnHookDialWhenyoupressthisbutton,youcanhearadialtone.Thenenterafaxnumber.

Itissimilartomakingacallusingspeakerphone.

17Redial/PauseRedialstherecentlysentfaxnumberorreceivedcallerIDinreadymode,or

insertsapause(-)intoafaxnumberineditmode.

18AddressBookAllowsyoutostorefrequentlyusedfaxnumbersorsearchforstoredfax

numbers.

19DisplayscreenShowsthecurrentstatusanddisplayspromptsduringanoperation.

Page 65

4.AlignmentandTroubleshooting

4.1.2.UnderstandingthestatusLED

ThecoloroftheLEDindicatesthemachine'scurrentstatus.

NOTE

•SomeLEDsmaynotbeavailabledependingonmodelorcountry .

•Toresolvetheerror,lookattheerrormessageanditsinstructionsfromthetroubleshootingpart.

•Youalsocanresolvetheerrorwiththeguidelinefromthecomputers’ sPrintingStatusorSmartPanelprogramwindow.

LEDStatusDescription

OffThemachineisoff-line.

Status

Power/ Wakeup

EcoGreen

Green

BlinkingWhenthebacklightblinks,themachineisreceivingorprintingdata.

On•Themachineison-lineandcanbeused.

•Aminorerrorhasoccurredandthemachineiswaitingfortheerrortobecleared.

Checkthedisplaymessage.Whentheproblemiscleared,themachineresumes.

Blinking

•Smallamountoftonerisleftinthecartridge.Theestimatedcartridgelifeoftoneris

close.Prepareanewcartridgeforreplacement.Youmaytemporarilyincreasethe printingqualitybyredistributingthetoner.

Red

•Atonercartridgehasalmostreacheditsestimatedcartridgelife*.Itisrecommended

toreplacethetonercartridge.

OnThemachineisinpowersavemode.

Blue

OffThemachineisinreadymodeormachine’ spowerisoff.

OnEcomodeison.ThedefaultsettingofEcomodeis2-upandtonersave.

OffEcomodeisoff.

•Thecoverisopened.Closethecover.

•Thereisnopaperinthetray.Loadpaperinthetray .

•Themachinehasstoppedduetoamajorerror.Checkthedisplaymessage.

•Apaperjamhasoccurred.

NOTE

*Estimatedcartridgelifemeanstheexpectedorestimatedtonercartridgelife,whichindicatestheaveragecapacityofprint-outs andisdesignedpursuanttoISO/IEC19752.Thenumberofpagesmaybeaffectedbyoperatingenvironment,percentageof imagearea,printinginterval,graphics,mediaandmediasize.Someamountoftonermayremaininthecartridgeevenwhen redLEDisonandtheprinterstopsprinting.

Page 66

4.AlignmentandTroubleshooting

4.1.3.JAMremoval

4.1.3.1.Clearingoriginaldocumentjams

NOTE

Illustrationsonthisuser’sguidemaydifferfromyour machinedependingonitsoptionsormodels.

Originalpaperjaminfrontofscanner

1)Openthedocumentfeedercover.

2)Gentlyremovethejammedpaperfromthedocument feeder.

3)Closethedocumentfeedercover .

Page 67

Originalpaperjaminsideofscanner

4.AlignmentandTroubleshooting

1)Openthedocumentfeedercover.

2)Gentlyremovethejammedpaperfromthedocument feeder.

4)Openthedocumentfeeder.

5)Graspthemisfeedpaper,andremovethepaperfrom thefeedareabycarefullypullingit.

3)Closethedocumentfeedercover .

Page 68

4.AlignmentandTroubleshooting

6)Closethedocumentfeeder.

Originalpaperjaminexitareaofscanner

1)Closethestacker .

2)Gentlyremovethejammedpaperfromthedocument feeder.

3)Openthestacker .

Page 69

4.1.3.2.Clearingpaperjams

NOTE

Toavoidtearingthepaper,pullthejammedpaperoutslowly andgently .

InTray

4.AlignmentandTroubleshooting

1)Removethejammedpaperbygentlypullingitstraight out.

2)Openthefrontcover.

3)Closethefrontcover.

Page 70

4.AlignmentandTroubleshooting

Insidethemachine

1)Removethejammedpaperbygentlypullingitstraight out.

2)Openthejamcover.

4)Closethejamcover.

5)Openthefrontcover.

3)Removethejammedpaperbygentlypullingitstraight out.

6)Closethefrontcover.

Page 71

4.AlignmentandTroubleshooting

1 High 3

2 High 2 3 High 1

4 Nor m al

4,000 m

(13,123 ft)

3,000 m

(9,842 ft)

2,000 m

(6,561 ft)

1,000 m

(3,280 ft)

4.1.4.Usefulmenuitemforservice

1)Monitoringthesupplieslife

Ifyouexperiencefrequentpaperjamsorprintingproblems,checkthenumberofpagesthemachinehasprintedorscanned. Replacethecorrespondingparts,ifnecessary .

1)SelectMenu>SystemSetup>Maintenance>SuppliesLifeonthecontrolpanel.

2)SelecttheoptionyouwantandpressOK.

•SuppliesInfo:Printsthesupplyinformationpage.

•Total:Displaysthetotalnumberofpagesprinted.

•ADFScan:Displaysthenumberofpagesprintedbyusingthedocumentfeeder.

•PlatenScan:Displaysthenumberofpagesscannedbyusingscannerglass.

3)Press“Stop/Clear”toreturntoreadymode.

2)Altitudeadjustment

Printqualityisaffectedbyatmosphericpressure,whichisdeterminedbytheheightofthemachineabovesealevel.The followinginformationwillguideyouonhowtosetyourmachineforthebestprintquality .

Beforeyousetthealtitudevalue,determinethealtitudewhereyouare.

YoucansetthealtitudevaluefromDeviceSettingsorMachinesectioninPrinterSettingsUtilityprogram.

•ForWindowsandMacintosh,opentheSamsungEasyPrinterManagerprogram.

ClickDeviceSettings>LinktoProgrambutton,youcancongurevariousmachinesettings.

•ForLinux,opentheSmartPanelprogram.

ClickPrinterSetting.ClickSetting>AltitudeAdjustment.Selecttheappropriatevaluefromthedrop-downlist,and thenclickApply .

YoucanalsosetthealtitudeinSystemSetupoptiononthemachine’sdisplay.

•Select“Menu>SystemSetup>MachineSetup>AltitudeAdj.onthecontrolpanel.

NOTE

Ifyourmachineisconnectedtothenetwork,youcansetthealtitudeviaSyncThru™W ebService.

Page 72

4.AlignmentandTroubleshooting

4.1.5.PeriodicDefectiveImage

Ifanimagedefectsappearsatregularintervalsontheprinted-paper,itisduetoafaultyordamagedroller.Refertothetable belowandchecktheconditionoftheappropriateroller.

RollerPeriod(mm)PhenomenonDefectivepart

1PressureRoller75.4mmBackground

2HeatRoller77.6mmBlackspotandimageghost

3ChargingRoller37.7mmBlackSpotandlineandperiodicband

4OPCDrum75.4mmWhiteandBlackSpots

5DevelopingRoller44.2mmWhitespot,Horizontalblackband

6SupplyRoller35.5mmPeriodicBandbylittledifferenceofdensity

7TransferRoller47.1mmGhost,Damagedimagebyabnormal

transfer

FuserUnit

TonerCartridge

Transferroller

Page 73

4.AlignmentandTroubleshooting

4.1.6.Usefulmanagementtools

4.1.6.1.UsingSamsungEasyPrinterManager(WindowsandMacintoshonly)

NOTE

•Thisfeaturemaynotbeavailabledependingonmodeloroptionalgoods.

•AvailableforWindowsorMacintoshOSusersonly .

•ForWindows,InternetExplorer6.0orhigheristheminimumrequirementforSamsungEasyPrinterManager.

SamsungEasyPrinterManagerisanapplicationthatcombinesSamsungmachinesettingsintoonelocation.Samsung EasyPrinterManagercombinesdevicesettingsaswellasprintingenvironments,settings/actionsandlaunching.Allof thesefeaturesprovideagatewaytoconvenientlyuseyourSamsungmachine.SamsungEasyPrinterManagerprovidestwo differentuserinterfacesfortheusertochoosefrom:thebasicuserinterfaceandtheadvanceduserinterface.Switching betweenthetwointerfacesiseasy:justclickabutton.

UnderstandingSamsungEasyPrinterManager

Toopentheprogram:

•ForWindows,SelectStart>ProgramsorAllPrograms>SamsungPrinters>SamsungEasyPrinterManager>

SamsungEasyPrinterManager.

•ForMacintosh,OpentheApplicationsfolder>Samsungfolder>SamsungEasyPrinterManager.

TheSamsungEasyPrinterManagerinterfaceiscomprisedofvariousbasicsectionsasdescribedinthetablethatfollows:

NOTE

Thescreenshotmaydifferdependingonoperatingsystemyouareusing.

Page 74

4.AlignmentandTroubleshooting

NoAreaDescription

1PrinterListTheprinterlistdisplaystheinstalledprintericonsonyourcomputer.

2PrinterInformationThisareagivesyougeneralinformationaboutyourmachine.Youcancheck

information,suchasthemachine’smodelname,IPaddress(orPortname), andmachinestatus.

NOTE

Troubleshootingbutton:ThisbuttonopensTroubleshootingGuidewhenan erroroccurs.Y oucandirectlyopenthenecessarysectionintheuser’sguide.

3ApplicationInformationIncludeslinksforchangingtotheadvancedsettings,preference,help,and

about.

4QuicklinksDisplaysQuicklinkstomachinespecicfunctions.Thissectionalsoincludes

linkstoapplicationsintheadvancedsettings.

5ContentsAreaDisplaysinformationabouttheselectedmachine,remainingtonerlevel,

andpaper.Theinformationwillvarybasedonthemachineselected.Some machinesdonothavethisfeature.

6OrderSuppliesClickontheOrderbuttonfromthesupplyorderingwindow.Youcanorder

replacementtonercartridge(s)fromonline.

Advancedsettingsuserinterfaceoverview

Theadvanceduserinterfaceisintendedtobeusedbythepersonresponsibleformanagingthenetworkandmachines.

•DeviceSettings

Youcancongurevariousmachinesettingssuchasmachinesetup,paper,layout,emulation,network,andprint information.

•ScantoPCSettings

ThismenuincludessettingstocreateordeletescantoPCproles.

-ScanActivation:Determineswhetherornotscanningisenabledonthedevice.

-Prole:Displaysthescanningprolessavedontheselecteddevice.

-Basictab:Containssettingsrelatedgeneralscananddevicesettings.

-Imagetab:Containssettingsrelatedtoimagealtering.

•FaxtoPCsettings

Thismenuincludessettingsrelatedtothebasicfaxfunctionalityoftheselecteddevice.

-Disable:IfDisableisOn,incomingfaxeswillnotbereceivedonthisdevice.

-EnableFaxReceivingfromDevice:Enablesfaxingonthedeviceandallowmoreoptionstobeset.

•AlertSettings

Thisismenuincludessettingsrelatedtoerroralerting.

-PrinterAlert:Providessettingsrelatedtowhenalertswillbereceived.

-EmailAlert:Providesoptionsrelatingtoreceivingalertsviaemail.

-HistoryAlert:Providesahistoryofdeviceandtonerrelatedalerts.

•JobAccounting

Providesqueryingofquotainformationofthespeciedjobaccountinguser.Thisquotainformationcanbecreatedand appliedtodevicesbyjobaccountingsoftwaresuchasSyncThru™orCounThru™adminsoftware.

Page 75

4.AlignmentandTroubleshooting

4.1.6.2.UsingSamsungPrinterStatus(Windowsonly)

TheSamsungPrinterStatusisaprogramthatmonitorsandinformsyouofthemachinestatus.

NOTE

•TheSamsungPrinterStatuswindowanditscontentsshowninthisuser’sguidemaydifferdependingonthemachine oroperatingsysteminuse.

•Checktheoperatingsystem(s)thatarecompatiblewithyourmachine.

SamsungPrinterStatusoverview

Ifanerroroccurswhileoperating,youcanchecktheerrorfromtheSamsungPrinterStatus.SamsungPrinterStatusis installedautomaticallywhenyouinstallthemachinesoftware.

YoucanalsolaunchSamsungPrinterStatusmanually.GotothePrintingPreferences,clicktheBasictab>Printer Statusbutton.

TheseiconsappearontheWindowstaskbar:

IconMeanDescription

NormalThemachineisinreadymodeandexperiencingnoerrorsorwarnings.

WarningThemachineisinastatewhereasofterrorhasoccurred.Forexample,atonerlowstatus,

whichmayleadtotoneremptystatus.

ErrorThemachinehasatleastoneharderror,suchasoutofpaper,fusererror,etc.Machine

doesnothaveabilitytocometoreadywithoutcustomerintervention.

1TonerLevelY oucanviewtheleveloftonerremainingineachtonercartridge.Themachine

andthenumberoftonercartridge(s)shownintheabovewindowmaydiffer dependingonthemachineinuse.Somemachinesdonothavethisfeature.

2AlertSettingsSelectthesettingsyouwantfromtheoptionswindow .

3OrderSuppliesYoucanorderreplacementtonercartridge(s)fromonline.

4TroubleshootingY oucandirectlyopenthetroubleshootingsectionintheuser’sguide.

5CloseClosethewindow.

Page 76

4.AlignmentandTroubleshooting

4.1.6.3.UsingSyncThruWebService(SWS)

SWSisanembeddedwebserverinthemachine.Thiswebserverinformsyouofmachineconguration,version,statusand allowsyoutocustomizethemachine’ssettings.Youcancontactthisserverviawiredandwirelessnetworkusingyour webbrowserintheremoteplace.

Connectingpreparations

•WiredorWirelessNetworkconnectionisestablished.

•Browser(Ex>InternetExplorer)ProgramonyourPCnetworkconnected

SWSoverview

SyncThruW ebService(SWS)

•acceptsHTTPrequestviaport80asnormalwebservers.

•providesinterfacetousersinformationofnetworkedprintersandallowtocongurethesettingofprinters.

•isabletoprovidemorecomplicatedoptionsthanLocalUIforprinterconguration.

ConnectionProcedure

1)OpentheWeb-browserandinputIPaddressofmachine.Click“Login”.

2)Log-inAdminMode.(ID:admin,PW:sec00000)

3)Selectpagestocheckthecongurationandcustomizethesettings.

CAUTION

Please,changeSWSDefaultIDandPasswordforsystemsecurityincaseofyourrstconnection.

Page 77

4.AlignmentandTroubleshooting

NOTE

Ifthemachinesupports‘DirectPrint’,youcanenablethisfunctionusingtheSWSmenu.Thedefaultcongurationis ‘Disabled’foryoursecurity.

Firstly,youhavetologintoSWS.

1)Click‘DirectPrintConguration’inthepopupwindowswhenclicking‘DirectPrint’.

2)Inthe‘Services’Menu,check‘DirectPrint’.

Or,

1)Click‘SystemSecurity’inthe‘Security’menu.

2)Select‘FeatureManagement’intheleftframe.

3)Inthe‘Services’Menu,check‘DirectPrint’.

Page 78

4.AlignmentandTroubleshooting

4.1.7.UpdatingFirmware

Thischapterincludesinstructionsforupdatingtheprinterrmware.Y oucanupdatetheprinterrmwarebyusingone ofthefollowingmethods:

•UpdatethermwarebyusingtheUSBport.

•UpdatethermwarebyusingtheNetwork.

4.1.7.1.UpdatethermwarebyusingtheUSBport

Upgradingpreparations

•usblist2.exe:T oolwhichsendsrmwaredatatoprinter.

•Firmwareletoupdate.

UpgradeProcedure

1)Turnthemachineoff.

2)ConnectUSBcabletoprinter.

3)Turnthemachineon.Checkiftheprinteristhereadystatus.

4)DragthermwareleandDropdownontheusblist2.exe.

Andthenrmwareupdatewillbestartedautomatically.

5)Whenupgradingiscompleted,machineisautomaticallyre-booting.

Page 79

4.1.7.2.Updatethermwarebyusingthenetwork

Upgradingpreparations

•WiredorWirelessNetworkconnectionisestablished.

•Firmwareletoupdate

UpgradeProcedure

1)OpentheWeb-browserandinputIPaddressofmachine.Click“Login”.

4.AlignmentandTroubleshooting

2)Log-inAdminMode.(ID:admin,PW:sec00000)

3)SelectMaintenancemenuandclick“upgradewizard”

Page 80

4.AlignmentandTroubleshooting

4)Selectrmwareleusing“browser”buttonandpressnextbutton.

5)SyncThruwillcheckverifyrmwareleandcompareversionandpressnextbutton.

6)Machinestartsupgrading.SyncThruwillreturnhomepageafterupgradingiscompleted.

Page 81

4.AlignmentandTroubleshooting

4.1.8.Techmode

Inservice(tech)mode,thetechniciancancheckthemachineandperformvarioustesttoisolatethecauseofamalfunction. WhileinTechmode,themachinestillperformsallnormaloperations.

a)EnteringT echmode

•4–in-1Model

1)Press“Menu>#>1>9>3>4”onthecontrolpanelcontinuously.

2)PressMenu.

3)Select“TechMode”.

•3–in-1Model

1)Press“Menu>Back>Left>Right>OK>Stop”onthecontrolpanelcontinuously.

b)Techmodemenu

NOTE

Somemenusmaynotappearonthedisplaydependingonthemodels.

Depth1Depth2Depth3Depth4

DataSetup

SendLevel[9-15]12

DTMFLevelHigh[0-15]Low[0-15]

PauseTime[1-9]

DialModeTone,PulseTone

ModemSpeed33.6,28.8,14.4,12.0,9.6,4.833.6

ErrorRate5%,10%10%

ClearAllMem.

TonerLowLevel[1:30]:10

ClearCountEnterPassword[????]

PlatenScan

ADFScan

TransferRoller

Fuser

PickupRoller

FeedRoller

ADFRoller

ADFRubberPad

Off* EngineFooter

On DialT one

Off

On CallerID

Off

BusyT one

Page 82

4.AlignmentandTroubleshooting

Depth1Depth2Depth3Depth4

Off

Yes WrapJamClear

MachineT est

Report

EDCModeT estRountine

SwitchT est

TestParamSet

ModemT est

DramT est

RomT est

ShadingT estShading&Print

ScanAging

ProtocolDump

SuppliesInfo.

Conguration

ErrorInfo

UsageCounter

ComponentCheck

FaxOptions

100-Motor400-MainSTEPMotorFast

101-Clutch010-T1Pick-UpClutch

102-Sensor

010-T1PaperEmptySensor

105-MHVBias030-BlackMHVBias

106-DevBias030-BlackDevBias

109-FuserHeat000-FuserTemperatureA

110-LSU

c)DataSetup

•SendLevel

Youcansetthelevelofthetransmissionsignal.Typically ,theTxlevelshouldbeunder-12dBm.

NOTE

290-FeedSensor

435-FrontCoverSensor

440-RearCoverSensor

530-WidthSensor

030-BlackTHVBias 107-ATTRBias

031-BlackTHV(-)Bias

060-LSUMotor1Run

110-LSULDPower4

TheSendFaxLevelissetatthebestconditionintheshipmentfromfactory.

•DTMFLevel

ThisisasettingvalueoftheHighleveltoneandlowleveltoneatDTMFmode.(Notdialmode)

Page 83

4.AlignmentandTroubleshooting

•PauseTime

Itshowsthedelaytimewhenreceivingthepauseinputatautodial.

•DialMode

Thisfunctioncanchoosedialmethod.

*Default:Dial(Dial/Pulse)

•ModemSpeed

Youcansetthemaximummodemspeed.Communicationisdonewithmodemspeedautomaticallysetatlowerspeed whencommunicatingwithaslowerspeedmodemsincecommunicationisdoneonthestandardofthesidewhere modemspeedislowfortransmission/reception.Itisbestset33.6Kbpsasdefaultsetting.

•ErrorRate

Whentheerrorrateisaboutexceedthesetvalue,theBaudrateautomaticallyadjuststo2400bps.Thisensuresthatthe errorrateremainsbelowthesetvalue.Youcanselecttheratebetween5%and10%.

•ClearAllMemory

Thefunctionresetsthesystemtofactorydefaultsettings.Thisfunctionisusedtoresetthesystemtotheinitialvalue whentheproductisfunctioningabnormally.Allthevaluesarereturnedtothedefaultvalues,andalltheinformation, whichwassetbytheuser,willbeerased.

NOTE

Alwaysperformamemoryclearafterreplacingthemainboard.Otherwise,thesystemmaynotoperateproperly.

•TonerLowLevel

Thefunctionistosetupthetimetoinformtonerlowstatus.Thisfunctioncanprovideuserconvenienceforreplacing thetonercartridge.

•ClearCount

Thisfunctionresetsthecountvalueyouselect.

•EngineFooter

Thisfunctionisformonitoringoftheenginestatus.Ifyouperformthisfunction,atprinting,thesettingvalueforengine isshownonthebottomoftheprintedpage.

•WrapJamClear

Whenthewrapjamhasoccurred,youshouldexecutethismenuafterremovingthejammedpaper .Ifnot,theerror isnotdisappeared.

d)MachineT est

•SwitchTest

Usethisfeaturetotestallkeysontheoperationcontrolpanel.TheresultisdisplayedontheLCDwindoweach timeyoupressakey .

•ModemTest

Usethisfeaturetohearvarioustransmissionsignalstothetelephonelinefromthemodemandtocheckthemodem.If notransmissionsignalsoundisheard,itmeansthemodempartofthemainboardmalfunctioned.

•DramTest

Usethisfeaturetotestthemachine’sDRAM.TheresultappearsintheLCDdisplay.

•ShadingTest

ThefunctionistogettheoptimumscanqualitybythespeciccharacteroftheCIS(ContactImageSensor).Ifthecopy imagequalityispoor,performthisfunctiontochecktheconditionCISunit.

Page 84

4.AlignmentandTroubleshooting

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.

•FaxOptions

Thisreportshowsfaxoptions.

f)EDCmode

•TestRoutines

Thismenucanperformtheoperationtestforthemaincomponents.

CodeDisplayedNameMeaning

100-0400MainSTEPMotorFastMainStepMotorisOn/Off

101-0010T1Pick-UpClutchEngagesdrivetopickupapaperfromtray1.

102-0010T1PaperEmptySensorDetectwhenpaperisinTray1.

102-0290FeedSensorDetectwhenapaperisatFeedsensor.

102-0435FrontCoverSensorDetectstatusofFrontcover.

102-0440RearCoverSensorDetectstatusofRearcover.

102-0530WIDTHSENSORDetectwhenapaperisatwidthsensor.

105-0030BlackMHVBiasBlackMHVbiasvoltageonatnormaldrivelevel

106-0030BlackDevBiasBlackDevbiasvoltageonatnormaldrivelevel

107-0030BlackTHVBiasBlackTHVbiasvoltageonatnormaldrivelevel

107-0031BlackTHV(-)BiasBlackTHVbiasvoltageonatnormaldrivelevel

109-0000FuserT emperatureADetectswhatthetemperatureAisonfuser.

110-0060LSUMotor1RunLSUMotor1On/Off

110-0110LSULDPower4LSULD4PowerOn/Off(black)

Page 85

4.AlignmentandTroubleshooting

Power On

Red LED on / Error message is displayed.

OPE LED

Green OK?

Print (test page)

Printing

quality is

nomal?

Refer to "Solution

of Image Problem"

See the troubleshooting for error code

END

- No Power

- Power Module error

- Main PBA

OPE LED

ON?

4.2.Troubleshooting

4.2.1.Procedureofcheckingthesymptoms

Beforeattemptingtorepairtheprinterrstobtainadetaileddescriptionoftheproblemfromthecustomer.

Page 86

4.AlignmentandTroubleshooting

4.2.1.1.BasicCheckList

1)CheckthePower .

•Checkthatthepowerswitchisturnedon.

•Checkthatthepowercableispluggedintotheoutletandtheprinter.

•Checkthevoltageofthepoweroutlet.

2)ChecktheLEDofPanel.

•IsthereOPELEDON?

›Ifnotcheckpowercable,switchSMPSorMainboard.

•IstheabnormalLamp?

›ChecktheMainboardandcableharness.

3)CheckthePaperPath

•IsthereaPaperJam?

›Removeanypaperfragmentscaughtinthepaperpath.

•PaperJamoccursrepeatedlyataspecicpointinthePaperPath

›Openthefusercover,Jamclear.

›Dismantlethemachineandcarefullyinspecttheregionwherethejamoccurs.

(Especially,checkifpaperfragmentsarecaughtintheFuser

4)PrinttheInformationPage(Conguration).

•Tryprintingatestpagefromacomputer.

›Ifthereisanerrorcheckcablesanddriverinstallation.

5)CheckthePrintQuality.

•IsthereareaPrintQualityProblem?

›Refertoimagequalityproblemsection.

6)Checkconsumables(toneretc.).

•UsingthekeysprinttheT estPattern.

›Expectedlifeofvariousconsumableparts,comparethiswiththeguresprintedandreplaceasrequired

Page 87

4.AlignmentandTroubleshooting

4.2.2.ErrorCodeandTroubleshooting

NOTE

Somemessagesmaynotappearonthedisplaydependingontheoptionsormodels.

ErrorCodeErrorMessageTroubleshooting

C2-1110PreparenewcartridgePage4–29

C2-1120ReplacenewcartridgePage4–29

C2-1140ReplacenewcartridgePage4–29

C2-1410InstalltonercartridgePage4–29

C2-1510NotCompatibleTonercartridgePage4–29

C2–1710Error:#C2-1710CallforServicePage4–29

C2–1711Error:#C2-1711CallforServicePage4–29

C2–1712Error:#C2-1712CallforServicePage4–29

M2-1110PaperJaminsidemachinePage4–30

M2–1116PaperjamoremptyPage4–30

M2–1317PaperJaminsidemachinePage4–31

S2-4110DooropenCloseitPage4–31

S3–3121ScannerLocked.Page4–32

S6-3123NetworkProblem:IPConictPage4–33

U1-2320Error#U1-2320TurnoffthenonPage4–33

U1-2330Error#U1-2330TurnoffthenonPage4–33

U1-2340Error#U1-2340TurnoffthenonPage4–33

U2-1112Error#U2-1112TurnoffthenonPage4–34

U2-1113Error#U2-1113TurnoffthenonPage4–34

U3-3313Documentjam.RemovejamPage4–35

U3-3314Documentjam.RemovejamPage4–35

U3-4110Doorofscannerisopen.Page4–35

Page 88

4.AlignmentandTroubleshooting

►ErrorCode

C2–1110

C2–1120

C2–1140

►Errormessage

Preparenewtonercartridge.

Replacenewcartridge.

►Symptom

Theremainingtonercartridgeislessthan10%/Thetonercartridgeisattheendofitslife.

►Troubleshootingmethod

Printthesupplyinformationreport.Checktheliferemainingofthetonercartridge. Ifitslifeisattheend,turnthemachineoffandreplacethetonercartridgewithnewone.

►ErrorCode

C2–1410

C2–1710

C2–1711

C2–1712

►Errormessage

Installcartridge.

Error:#C2-1710CallforService

Error:#C2-1711CallforService

Error:#C2-1712CallforService

►Symptom

Thetonercartridgeisnotinstalled./Themachinecan’tdetectthetonercartridge.

►Troubleshootingmethod

1)Checkifthetonercartridgeisinstalled.IfitisOK,turnthemachineoffthenon.

2)Iftheerrormessageisnotdisappear,removethetonercartridge.Thoroughlyrollthecartridgeveorsixtimesto distributethetonerevenlyinsidethecartridge.Andreinstallthetonercartridge.

3)Iftheproblempersists,checkthattheCRUMcontactareaiscontaminated.Cleanit.

4)Iftheproblempersists,replacethetonercartridgewithnewone.

►ErrorCode

C1–1510

►Errormessage

NotcompatibleTonercartridge

►Symptom

Tonercartridgeisnotcompatible.

►Troubleshootingmethod

1)ReplacethetonercartridgeasSamsunggenuineone.

Page 89

►ErrorCode

M2–1110

M2–1116

►Errormessage

Paperjaminsidemachine.

Paperjamorempty

►Symptom

Apaperjamwasdetectedatthefeedsensor.

►Troubleshootingmethod

1)Checkifpaperisontray.

2)Removethejammedpaper.(Referto4.1.3Jamremoval)

3)Ifthejammedpaperoccurscontinually ,checkthefollowings.

a)Checkifthepickuprubberiswornoutorcontaminated.Cleanthecontaminatedpartorreplaceit.

4.AlignmentandTroubleshooting

b)CheckiftheconnectorisconnectedtothefeedsensorPBAcorrectly .

c)Checkiftheactuatorisassembledcorrectly.

d)IftheconnectionandactuatorareOK,replacethefeedsensorPBA.

Page 90

4.AlignmentandTroubleshooting

►ErrorCode

M2–1317

►Errormessage

PaperJaminsidemachine

►Symptom

Apaperjamwasdetectedinthefuserunitarea.

►Troubleshootingmethod

1)Openthetopcover.Removethejammedpaper.

2)Enterthetechmode.(Referto4.1.8)

3)Executethe“WrapJamClear”(DataSetup>WrapJamClear)

►ErrorCode

S2–4110

►Errormessage

Dooropen.Closeit.

►Symptom

Topcoverisopenorthecoveropenswitchisdefective.

►Troubleshootingmethod

1)Checkifthetopcoverisclosedperfectly.Openandcloseit.

2)Removetherightcover.CheckiftheconnectionbetweenthemainboardandSMPS/HVPSboardiscorrect.

3)CheckifthecoveropenswitchonSMPS/HVPSboardisoperatedproperly .Ifitisdefective,replacethe SMPS/HVPSboard.

Page 91

►ErrorCode

S3–3121

►Errormessage

ScannerLocked.

►Symptom

CISunitinthescannerdoesnotmove.

►Troubleshootingmethod

1)CheckiftheCISunitmoveswhenturningthemachineoffthenon.

2)CheckiftheCIScableisconnectedcorrectly.Reconnectit.

4.AlignmentandTroubleshooting

3)IftheCISunitisdefective,replaceit.

4)Checkifthereisanydefectivepartinthescanner.Findandreplaceit.

5)Iftheproblempersists,replacethemainboard.

Page 92

4.AlignmentandTroubleshooting

►ErrorCode

S6–3123

►Errormessage

NetworkProblem:IPConict

►Symptom

Networkhassomeproblem.(IPaddressconictswiththatofothersystem./Communicationerror/Thereisno responsewhencheckingthepingtest.)

►Troubleshootingmethod

Changethemachine’sIPaddress.

•ExecutetheSamsungEasyPrinterManagerprogram.(Devicesetting—Network—IPaddress).Changethe IPaddress.

•IncaseofDHCPorBootp,rebootthemachinetoreceiveanewIPaddress.

►ErrorCode

U1–2320

U1–2330

U1–2340

►Errormessage

Error#U1-2320Turnoffthenon

Error#U1-2330Turnoffthenon

Error#U1-2340Turnoffthenon

►Symptom

Thetemperaturecontroloffuserunitisabnormal.(U1–2320:OpenHeatError/U1–2330:LowHeatError/U1–2340 :OverHeatError)

►Troubleshootingmethod

1)Turnthemachineoff.Re-installthefuserunit.Thenturnthemachineon.Istheerrormessageisdisappeared?

2)Iftheproblempersists,turnthemachineoffandremovethefuserunit.

a)Checkifthefuserconnectorisconnectedproperly.

b)Checkiftheinputvoltageisnormal.

c)Checkifthethermistoristwistedorcontaminated.

3)Afterconrmingcontinuityinthefuserconnectorandtheproblemstillexists;orderanSMPS/HVPSandFuser Unitandinstallasisnecessary.

Page 93

►ErrorCode

U2–1112

U2–1113

►Errormessage

Error#U2-1112Turnoffthenon

Error#U2-1113Turnoffthenon

►Symptom

LSUMotordoesnotworknormally .

►Troubleshootingmethod

1)CheckiftheLSUharnessonthemainboardisconnectedproperly.

2)IfitisOK,checkthattheLSUharnessonLSUboardisconnectedproperly.

3)CheckiftheLSUharnessisdefective.

4)Iftheproblempersists,replacetheLSU.

5)IftheproblempersistsafterreplacingLSU,replacethemainboard.

4.AlignmentandTroubleshooting

Page 94

4.AlignmentandTroubleshooting

►ErrorCode

U3–3313

U3–3314

►Errormessage

Documentjam.Removejam.

►Symptom

AdocumentjamwasdetectedintheADFunit.

►Troubleshootingmethod

1)RemovethejammedpaperfromADFunit.

2)Iftheerrorpersists,turnthemachineoffthenon.

3)Ifthedocumentjamoccurscontinually,opentheADFcover-top.CheckiftheADFpickuprolleriscontaminated orwornout.Cleanorreplaceit.

4)IfthepickuprollerisOK,checkthefollowings.

a)CheckiftheADFmotorisworkingnormally .

b)CheckiftheconnectorontheADFjointboardisconnectedcorrectly .

5)Iftheproblempersists,replacetheADFunit.

►ErrorCode

U3–4110

►Errormessage

ScannerDoorOpen

►Symptom

ADFtopcoverisopened.

►Troubleshootingmethod

1)ClosetheADFtopcover.

Page 95

4.2.3.Imagequalityproblem

1)VerticalBlackLineandBand

Description:Straightthinblackverticallineoccursintheprintedimage.

CheckandcauseSolution

4.AlignmentandTroubleshooting

•Damageddeveloprollerinthetonercartridge.

DeformedDoctor-bladeorcleaning-blade.

•Scratchedsurfaceofthechargerollerinthetoner

cartridge.

Partlydepressionordeformationonthesurfaceofthe transferroller.

2)VerticalWhiteLine

Description:Whiteverticalvoidsoccursintheprintedimage.

CheckandcauseSolution

Foreignmatterstucksontothewindowofinternallensesof LSUmirror.

Replacethetonercartridge.

Replacethetransferroller.

CleantheLSUwindowwithrecommendedcleaner(IP A). Cleanthewindowwithacleancottonswab.

ThelifeofthetonercartridgehasbeenexpiredReplacethetonercartridge.

Someforeignsubstancesareonthewindowofthetoner cartridgeframe.

Ifthefuserisdefective,voidsoccurperiodicallyatthetop ofablackimage.

Removetheforeignmatteroftheexposurewindow .

Opentherearcover.Reinstallthefuserunit.

Page 96

4.AlignmentandTroubleshooting

3)HorizontalBlackBand

Description:Darkofblurryhorizontalstripesoccurintheprintingperiodically.

CheckandcauseSolution

Badcontactsofthevoltageterminalstotonercartridge.CleaneachvoltageterminaloftheCharge,Developing,

tonercartridgeandTransferroller.(removethetoner particlesandpaperparticles)

Therollersofdevelopermaybestained.

•OPCDrum=75.4mm

•ChargeRoller=37.7mm

•DevelopingRoller=44.2mm

4)BlackandWhitespot

Description:Darkorblurryblackspotsoccurperiodicallyintheprinting.

CheckandcauseSolution

Ifdarkorblurryblackspotsoccurperiodically,therollersin thetonercartridgemaybecontaminatedwithforeignmatte orpaperparticles.(Chargeroller:37.7mminterval/OPC drum:75.4mminterval)

Replacethetonercartridge.

CleaneachvoltageterminaloftheCharge,Developing, tonercartridgeandTransferroller.(removethetoner particlesandpaperparticles)

Iffadedareasorvoidsoccurinablackimageatintervalsof

75.4mm,theOPCdrumsurfaceisdamaged.

Ifablackimageispartiallybroken,thetransfervoltageis abnormalorthetransferroller’slifehasexpired.

Replacethetonercartridge.

•Ifthetransferroller’slifeisexpired,replaceit.

•Cleantheinsideofthesetagainstthepaperparticles

andforeignmatterinordernottocausethetrouble.

Page 97

5)Lightimage

Description:Theprintedimageislight,withnoghost.

CheckandcauseSolution

Tonercartridgelifeisexpired.Replacethetonercartridge.

HVPS/SMPSterminaliscontaminated.Cleanthecontaminatedterminal.

TheoutputfromtheHVPS/SMPSisabnormal.ReplacetheHVPS/SMPSboard.

6)DarkorBlackpage

Description:Theprintedimageisdarkorblack.

4.AlignmentandTroubleshooting

CheckandcauseSolution

Checkifthehighvoltageterminaliscontaminated.Cleanthehighvoltageterminal.

Thechargingrollerisdefective.Replacethetonercartridge.

TheoutputfromtheHVPS/SMPSisabnormal.ReplacetheHVPS/SMPSboard.

Page 98

4.AlignmentandTroubleshooting

7)UnevenDensity

Description:Printdensityisunevenbetweenleftandright.

CheckandcauseSolution

•Thepressureforceontheleftandrightspringsofthe

transferrollerisnoteven.

•Thespringsaredamaged.

•Thetransferrollerisimproperlyinstalled.

Thetonerlevelisnotevenonthetonercartridgerollerdue tothebadblade.

8)Background

Description:Lightdarkbackgroundappearsinwholeareaoftheprinting.

CheckandcauseSolution

Doesrecyclepaperbeused?Usetheproperpapers.

1)Removethetransferroller.

2)Checkifthetransferrollerhasanywrongpart.

3)Replacethetransferroller.

Replacethetonercartridge.

ThelifeofthetonercartridgehasbeenexpiredReplacethetonercartridge.

TheoutputfromtheHVPS/SMPSisabnormal.ReplacetheHVPS/SMPSboard.

Page 99

9)Ghost

Description:Ghostoccursat94.2mmintervalsoftheOPCdrum.

CheckandcauseSolution

Thehighvoltageterminaliscontaminated.Cleanthehighvoltageterminals.

ThelifeofthetonercartridgehasbeenexpiredReplacethetonercartridge.

Thelifeofthetransferrollerhasbeenexpired.Replacethetransferroller.

10)Stainsonbackofpage

Description:Thebackofthepageisstained.

4.AlignmentandTroubleshooting

CheckandcauseSolution

Transferrolleriscontaminated.Replacethetransferroller.

Page 100

4.AlignmentandTroubleshooting

11)Blankpage

Description:Thebackofthepageisstained.

CheckandcauseSolution

Thegroundcontactofthetonercartridgeisbad.Cleanthegroundterminalofthetonercartridge.Ifthe

problempersists,replacethetonercartridge.

LSUisdefective.ReplacetheLSU.

TheconnectionbetweenthemainboardandHVPS/SMPS boardisbad.

Reconnecttheharness.IfthemainboardorHVPS/SMPS boardisdefective,replaceit.

12)Partialimagevoid

Description:Thepartialvoidoccursintheprintedpage.

CheckandcauseSolution

Theprinterisnotinstalledonatground.Installtheprinteronatground.Print10samplepagesfor

test.

Thedevelopercirculationinthetonercartridgeisbad.

1)Shakethetonercartridge2~3timesfromrighttoleft. Reinstallthetonercartridge.Print10samplepages fortest.

2)Iftheproblempersists,replacethetonercartridge.

Thecontactbetweentonercartridgeandtransferrolleris bad.

Checkifthetonercartridgeandtransferrollerareinstalled properly.

Samsung SCX 465x, SCX 4x21 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

MonoLaserMFP

1.Precautions

1.1.Safetywarning

1.2.Cautionforsafety

1.2.1.Toxicmaterial

1.2.3.Handlingprecautions

1.2.4.AssemblyandDisassemblyprecautions

1.2.5.Disregardingthiswarningmaycausebodilyinjury

1.3.ESDprecautions

2.1.1.ProductOverview

2.1.2.1.GeneralPrintEngine

2.1.2.2.Copier

2.1.2.4.Fax(SCX-465xF_465xFN_465xHN_4521FS_4521NS_4521HSonly)

2.1.2.5.ControllerandSoftware

2.1.2.6.PaperHandling

2.1.2.7.Supplies

2.1.2.8.MaintenancePart

2.1.2.9.ReliabilityandService

2.1.2.10.Environment

2.1.3.ModelComparisonTable

2.2.SystemOverview

2.2.1.FrontView

2.2.2.RearView

2.2.3.PaperPath

2.2.4.SystemLayout

2.2.4.1.FeedingPart

2.2.4.2.TransferRoller

2.2.4.3.DriveUnit

2.2.4.4.FuserUnit

2.2.4.5.LSU(LaserScannerUnit)

2.2.4.6.TonerCartridge

2.2.5.1.Mainboard

2.2.5.2.OPEboard

2.2.5.3.Faxboard(4–in-1modelonly)

2.2.5.4.SMPS/HVPSboard

2.2.5.5.ElectricalPartsLocation

2.2.6.EngineF/WContolAlgorithm

2.2.6.1.Feeding

2.2.6.2.Transfer

2.2.6.3.Fusing

2.2.6.4.LSU

2.2.7.SoftwareDescriptions

2.2.7.1.Softwaresystemoverview

2.2.7.2.Architecture

2.2.7.3.DataandControlFlow

3.DisassemblyandReassembly

3.1.Precautionswhenreplacingparts

3.1.1.Precautionswhenassemblinganddisassembling

3.1.2.PrecautionswhenhandlingPBA

3.1.3.ReleasingPlasticLatches

3.2.Screwsusedintheprinter

3.3.ReplacingtheMainSVCparts

3.3.1.Cover

3.3.2.OPEUnit

3.3.3.ScannerUnit

3.3.4.ADFunit

3.3.5.CIS(ContactImageSensor)Unit

3.3.6.MiddleCover

3.3.7.Mainboard

3.3.8.Faxboard

3.3.9.SMPS_HVPSboard

3.3.10.FuserUnit

3.3.11.Transferroller

3.3.12.LSU

3.3.13.FeedSensorPBA

3.3.14.MainDriveUnit

3.3.15.PickUpSolenoid

3.3.16.Pickuproller

4.AlignmentandTroubleshooting

4.1.AlignmentandAdjustments

4.1.1.ControlPanel

4.1.2.UnderstandingthestatusLED

4.1.3.JAMremoval

4.1.3.1.Clearingoriginaldocumentjams

4.1.3.2.Clearingpaperjams

4.1.4.Usefulmenuitemforservice