Samsung SCX-340x Service Manual

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Page 1

MonoLaserMFP

SCX-340xseries SCX-340x/340xF/340xW/ 340xFW

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. Safety warning . .............................................................................................................................................. 1 − 1

1.2. Caution for safety . ....................................................................................................................................... 1 − 2

1.2.1. Toxic material. ............................................................................................................................... 1 − 2

1.2.2. Electric shock and re safety precautions . .................................................................................... 1 − 2

1.2.3. Handling precautions . ................................................................................................................... 1 − 3

1.2.4. Assembly and Disassembly precautions . ...................................................................................... 1 − 3

1.2.5. Disregarding this warning may cause bodily injury . .................................................................... 1 − 4

1.3. ESD precautions . .................................................................................................................................................... 1 − 5

2. Product specication and description. ....................................................................................................................... 2 − 1

2.1. Product Specication. ............................................................................................................................................ 2 − 1

2.1.1. Product Overview. .............................................................................................................................................. 2 − 1

2.1.2. Specications . .................................................................................................................................................... 2 − 1

2.1.2.1. General Print Engine. ....................................................................................................................................... 2 − 1

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

2.1.2.3. Scan Specication . ........................................................................................................................................... 2 − 3

2.1.2.4. Fax . ................................................................................................................................................................... 2 − 4

2.1.2.5. Controller and Software.................................................................................................................................... 2 − 5

2.1.2.6. Paper Handling . ................................................................................................................................................ 2 − 7

2.1.2.7. Consumables . ................................................................................................................................................... 2 − 8

2.1.2.8. Maintenance Part . ............................................................................................................................................ 2 − 8

2.1.2.9. Reliability and Service . .................................................................................................................................... 2 − 8

2.1.2.10. Environment . ................................................................................................................................................... 2 − 9

2.1.2.11. Accessories . ...................................................................................................................................................... 2 − 10

2.1.3. Model Comparison Table. .................................................................................................................................. 2 − 11

2.2. System Overview. .................................................................................................................................................. 2 − 12

2.2.1. Front View. ......................................................................................................................................................... 2 − 12

2.2.2. Rear View. .......................................................................................................................................................... 2 − 14

2.2.3. Paper Path. .......................................................................................................................................................... 2 − 15

2.2.4. System Layout . ................................................................................................................................................... 2 − 16

2.2.4.1. Feeding Part . ..................................................................................................................................................... 2 − 17

2.2.4.2. Transfer Roller . ................................................................................................................................................ 2 − 18

2.2.4.3. Drive Unit . ....................................................................................................................................................... 2 − 18

2.2.4.4. Fuser Unit. ........................................................................................................................................................ 2 − 19

2.2.4.5. LSU (Laser Scanner Unit) . ............................................................................................................................... 2 − 21

2.2.4.6. Toner Cartridge. ................................................................................................................................................ 2 − 22

2.2.5. Hardware conguration . ..................................................................................................................................... 2 − 23

2.2.5.1. Main board . .................................................................................................................... 2 − 25

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Contents

2.2.5.2.OPEboard...................................................................................................2−28

2.2.5.3.Faxboard....................................................................................................2−30

2.2.5.4.WirelessLANboard(wirelessmodelonly)........................................................2−30

2.2.5.5.SMPS/HVPSboard.......................................................................................2−31

2.2.5.6.ElectricalPartsLocation.................................................................................2−33

2.2.6.EngineF/WContolAlgorithm.......................................................................................2−35

2.2.6.1.Feeding.......................................................................................................2−35

2.2.6.2.Transfer.......................................................................................................2−35

2.2.6.3.Fusing.........................................................................................................2−36

2.2.6.4.LSU............................................................................................................2−36

2.2.7.SoftwareDescriptions..................................................................................................2−37

2.2.7.1.Softwaresystemoverview..............................................................................2−37

2.2.7.2.Architecture.................................................................................................2−37

2.2.7.3.DataandControlFlow...................................................................................2−38

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

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

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

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

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

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

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

3.3.1.RightandLeftcover....................................................................................................3−4

3.3.2.ScannerUnit...............................................................................................................3−5

3.3.3.ADFUnit...................................................................................................................3−6

3.3.4.CISUnit....................................................................................................................3−7

3.3.5.OPEUnit...................................................................................................................3−8

3.3.6.FrontCover................................................................................................................3−9

3.3.7.MiddleCover.............................................................................................................3−10

3.3.8.RearCover.................................................................................................................3−11

3.3.9.Mainboard.................................................................................................................3−11

3.3.10.WLANboard..............................................................................................................3−12

3.3.11.Faxboard...................................................................................................................3−12

3.3.12.SMPS/HVPSboard......................................................................................................3−13

3.3.13.FuserUnit..................................................................................................................3−14

3.3.14.DriveUnit..................................................................................................................3−14

3.3.15.LSU..........................................................................................................................3−15

3.3.16.FeedSensorPBA........................................................................................................3−16

3.3.17.Pickuproller..............................................................................................................3−16

3.3.18.Motor........................................................................................................................3−17

3.3.19.Transferroller.............................................................................................................3−18

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Contents

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..............................................................................................................4−7

4.1.3.1.Clearingoriginaldocumentjams......................................................................4−7

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

4.1.4.Usefulmenuitemforservice.........................................................................................4−12

4.1.5.PeriodicDefectiveImage..............................................................................................4−13

4.1.6.Usefulmanagementtools..............................................................................................4−14

4.1.6.1.UsingSamsungEasyPrinterManager(WindowsandMacintoshonly)....................4−14

4.1.6.2.UsingSamsungPrinterStatus(Windowsonly)...................................................4−16

4.1.6.3.UsingSmartPanel(Linuxonly).......................................................................4−17

4.1.6.4.UsingSyncThruW ebService(SWS)................................................................4−18

4.1.7.UpdatingFirmware......................................................................................................4−20

4.1.7.1.UpdatethermwarebyusingtheUSBport........................................................4−20

4.1.7.2.Updatethermwarebyusingthenetwork..........................................................4−21

4.1.8.TechMode.................................................................................................................4−23

4.1.8.1.Techmode(4in1model)...............................................................................4−23

4.1.8.2.TechMode(3in1model)...............................................................................4−27

4.1.9.EDCprogram(3in1modelonly)...................................................................................4−30

4.2.Troubleshooting......................................................................................................................4−31

4.2.1.Procedureofcheckingthesymptoms...............................................................................4−31

4.2.1.1.BasicCheckList...........................................................................................4−32

4.2.2.ErrorCodeandTroubleshooting.....................................................................................4−33

4.2.3.Imagequalityproblem..................................................................................................4−43

4.2.4.Othererrors................................................................................................................4−49

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

5.1.BlockDiagram(4in1).............................................................................................................5−1

5.2.BlockDiagram(3in1).............................................................................................................5−2

5.3.ConnectionDiagram(4in1)......................................................................................................5−3

5.4.ConnectionDiagram(3in1)......................................................................................................5−4

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

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

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

6.3.TheSamplePatternfortheT est..................................................................................................6−8

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

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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:Max.800nm(785-10/+15)

•Beamdivergence

-Paraller:Max.13degrees(10-4/+3)

-Perpendicular:Max.35degrees(31-6/+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.T akecarenottocutordamagethepowercableorplugswhenmovingthemachine.

9)Usecautionduringthunderorlightningstorms.Samsungrecommendsthatthismachinebedisconnectedfromthe powersourcewhensuchweatherconditionsareexpected.Donottouchthemachineorthepowercordifitisstill connectedtothewallsocketintheseweatherconditions.

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

11)Donotpositiontheproductindirectsunlight.Thiswillcausethetemperatureinsidetheproducttorisepossiblyleading totheproductfailingtoworkproperlyandinextremeconditionscouldleadtoare.

12)Donotinsertanymetalobjectsintothemachinethroughtheventilatorfanorotherpartofthecasing,itcouldmake contactwithahighvoltageconductorinsidethemachineandcauseanelectricshock.

13) cangetashockbytheelectricdischarge.

WhenreplacingtheSMPSboard,pleasewait5minutesafterunpluggingthepowercord,thenreplaceit.Y ou

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1.Precautions

1.2.3.Handlingprecautions

Thefollowinginstructionsareforyourownpersonalsafetytoavoidinjuryandsoasnottodamagetheproduct.

1)Ensuretheproductisinstalledonalevelsurface,capableofsupportingitsweight.Failuretodosocouldcause theproducttotiporfall.

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

3)Donotplaceanysmallmetalobjects,containersofwater,chemicalsorotherliquidsclosetotheproductwhichifspilled couldgetintothemachineandcausedamageorashockorrehazard.

4)Donotinstallthemachineinareaswithhighdustormoisturelevels,besideonopenwindoworclosetoahumidieror heater.Damagecouldbecausedtotheproductinsuchareas.

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

1.2.4.AssemblyandDisassemblyprecautions

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

2)Ensurethatpowerisdisconnectedbeforeservicingorreplacinganyelectricalparts.

3)Disconnectinterfacecablesandpowercables.

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

5)Whenremovingorre-ttinganypartsdonotuseexcessiveforce,especiallywhenttingscrewsintoplastic.

6)Takecarenottodropanysmallpartsintothemachine.

7)HandlingoftheOPCDrum

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

•TakecarenottoscratchthegreensurfaceofOPCDrumUnit.IfthegreensurfaceoftheDrumCartridgeis scratchedortouchedtheprintqualitywillbecompromised.

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1.Precautions

1.2.5.Disregardingthiswarningmaycausebodilyinjury

1)Becarefulwiththehightemperaturepart.

Thefuserunitworksatahightemperature.Usecautionwhenworkingontheprinter.W aitforthefuserunitto 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

•Upto20ppminA4(21ppminLetter)

2)PrintingResolution

•Upto1,200x1,200dpieffectiveoutput

3)Processor

•433MHz

4)PrinterLanguageEmulation

•SPL

5)Memory

•SCX–340x/340xF/340xW:64MB

•SCX-340xFW:128M

6)Interface

•HighspeedUSB2.0

•10/100BaseTXnetworkconnector

•802.11b/g/nwirelessLAN(SCX-340xFW)

7)Tonercartridge

•Initial:0.7K

•Sales:1.5K

2.1.2.Specications

•ProductSpecicationsaresubjecttochangewithoutnotice.

2.1.2.1.GeneralPrintEngine

ItemSpecication

EngineSpeed

WarmuptimeFromSleepLessthan30seconds

FPOT

SimplexUpto20ppminA4(21ppminLetter)

DuplexManualDuplex

FromReadyLessthan8.5seconds

FromSleepLessthan15.5seconds

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2.Productspecicationanddescription

ItemSpecication

ResolutionUpto1,200x1,200dpieffectiveoutput

2.1.2.2.Copier

ItemSpecication

CopySpeedSimplextoSimplexUpto20ppminA4(21ppminLetter)

FCOT(B&W)FromReadyLessthan14seconds(fromplaten)

Text

CopyResolution

OriginalTypeFactoryDefaultText/Photo

Max.Original Size

BasicCopy

Text/Photo

Photo

PlatenA4

ADFLegal(8.5"x14")

MultiCopy1~99

AutomaticPaperSelectionNo

ManualPaperSelectionNo

DuplexCopyNo

DarknessControl11Levels

Reduce&Enlarge25%to400%

•Scan:300x300dpi,Printing:600x600dpi@ADF

•Scan:600x300dpi,Printing:600x600dpi@Platen

•Scan:300x300dpi,Printing:600x600dpi@ADF

•Scan:600x300dpi,Printing:600x600dpi@Platen

•Scan:600x300dpi,Printing:600x600dpi@ADF

•Scan:600x600dpi,Printing:600x600dpi@Platen

Page 12

2.Productspecicationanddescription

2.1.2.3.ScanSpecication

ItemSpecication

ScanMethodColorCIS

CompatibilityTWAIN,WIA

Linearity,Halftone15seconPlaten,15seconADF@300dpi

ScanSpeed

Resolution

Halftone256levels

ScanSize

ScanDepth

ADF

Gray23seconPlaten,26seconADF@300dpi

Color

Optical1,200x1,200dpi

Enhanced4,800x4,800dpi

Max.DocumentWidthMax.216mm(8.5")

EffectiveScanWidthMax.208mm(8.2")

Max.DocumentLength

EffectiveScanLength

ColorInternal:16bitx3,External:8bitx3

Mono

Capacity40sheets@75gsm

DocumentSize

•256Color300dpi:65seconPlaten,70seconADF

•TrueColor300dpi:70seconPlaten,70seconADF

•ADF:356mm(14")P

•Platen:297mm(11.7")

•ADF:348mm(13.7")

•Platen:289mm(11.4")

•1bitforLineart&Halftone

•8bitsforGrayscale

•Width:142~216mm

•Length:148~356mm

Page 13

2.Productspecicationanddescription

2.1.2.4.Fax

ItemSpecication

CompatibilityITU-TG3,ECM

CommunicationSystemPSTN/PABX

ModemSpeed33.6Kbps

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

CompressionMH/MR/MMR/JBIG/JPEG(TxOnly)

ColorFaxYes(Txonly)

ECMYes

Std203x98dpi

Resolution

(Mono)

Fine203x196dpi

S.Fine300x300dpi

HandsetYes(ChinaOnly)

OnhookDialYes

SearchYes(PhoneBook)

SpeedDial200locations

GroupDial100Groups

Telephone

Features

TADI/FYes

Tone/PulseY es(SelectableinTechMode)

PauseYes

AutoRedialYes

LastNumberRedialYes

CallerIDYes

ExternalPhoneInterfaceYes

Page 14

2.Productspecicationanddescription

2.1.2.5.ControllerandSoftware

ItemSpecication

Processor433MHz

Memory

Std.

MemoryexpansionN/A

PrinterLanguagesSPL

FontsWindowsFonts

DefaultDriverSPL

InstallSPL

SupportingOS

PrintDriver

•SCX-340x/340xF/340xW:64MB

•SCX-340xFW:128MB

Windows2000/XP(32/64bits)/Vista(32/64bits)/2003Server(32/64bits)/ 2008Server(32/64bits)/7(32/64bits)/2008ServerR2(64bits)

Linux

•RedHatEnterpriseLinuxWS4,5(32/64bit)

•Fedora4,5,6,7,8,9,10,11,12(32/64bit)

•SuSELinux10.0,10.1(32bit)

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

•Mandriva2005,2006,2007,2008,2009,2009.1(32/64bit)

•Ubuntu5.04,5.10,6.06,6.10,7.04,7.10,8.04,8.10,9.04,

•SuSELinuxEnterpriseDesktop10,11(32/64bit)

•Debian4.0,5.0(32/64bit)

9.10(32/64bit)

MacOSX10.4~10.7

WHQL

Compatibility

TWAINYes

WIAYes

ICDMYes

ScanDriver

SupportingOS

Windows2000/XP(32/64bits)/Vista(32/64bits)/2003Server(32/64bits)/ 2008Server(32/64bits)/7(32/64bits)/2008ServerR2(64bits)

Linux

•RedHatEnterpriseLinuxWS4,5(32/64bit)

•Fedora4,5,6,7,8,9,10,11,12(32/64bit)

•SuSELinux10.0,10.1(32bit)

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

•Mandriva2005,2006,2007,2008,2009,2009.1(32/64bit)

•Ubuntu5.04,5.10,6.06,6.10,7.04,7.10,8.04,8.10,9.04,

9.10(32/64bit)

•SuSELinuxEnterpriseDesktop10,11(32/64bit)

•Debian4.0,5.0(32/64bit)

MacOSX10.4~10.7

Page 15

ItemSpecication

Protocol

WiredNetwork

SupportingOS

2.Productspecicationanddescription

TCP/IPv4/IPv6,HTTP,SNMPv1/v2c/v3,DNS/WINS,DDNS,DHCP, BOOTP,AutoIP ,StandardTCP/IPprinting,LPR,IPP ,UPnP(SSDP), Bonjour,WSD,SLP ,SetIP

[Windows]

•Windows2000/XP(32/64bits)/Vista(32/64bits)/2003

Server(32/64bits)/2008Server(32/64bits)/7(32/64bits)/2008 ServerR2(64bits)

[Mac]

•MacOS10.4~10.7

[Linux]

•RedHat8~9(32bit)/EnterpriseLinuxWS4,5(32/64bit)

•FedoraCore1~7(32/64bit)

•SuSE8.2~10.2/EnterpriseDesktop9~10(32/64bit)

•Madrake9.2~10.1(32/64bit)

•Mandriva2005~2007

•Ubuntu6.06~7.04

•Debian3.1~4.0

(SCX–340xW/FW only)

Application

Interface

Protocol802.11b/g/n WirelessNetwork

SupportingOSSameaswirednetwork

SamsungEasyPrinter Manager

SmartPanel

NetworkManagement

ParallelN/A

USBHighspeedUSB2.0

ForWindowsandMacintosh

ForLinux

SyncThruWebService2.0

Page 16

2.Productspecicationanddescription

2.1.2.6.PaperHandling

ItemSpecication

StandardCapacity150-sheetMultiPurposeTray@80g/m²

Max.Capacity150-sheet@80g/m²

Printing

StandardCassetteTrayN/A

Multi-purposeTray (Bintype)

OptionalCassetteTrayN/A

OutputStacking

DuplexSupportingN/A

PrintableAreaNon-PrintableArea•3mm(0.12")fromedge(T op,Bottom,Left,Right)

Max.Size216x356mm(8.5"x14.02")

Min.Size76x183mm(3.0"x7.2")

Capacity

Mediasizes

Mediatype

Mediaweight16~43lb(60to163g/m²)

SensingN/A

Capacity•Face-Down:100sheets@80g/m²

OutputFullsensingN/A

•PlainPaper:150sheets@80g/m²

•Envelop:1sheet@80g/m²

A4,A5,Letter,Legal,Executive,Folio,Ocio,ISOB5,JISB5, Envelope(Monarch,No.10,DL,C5),Custom

Plain,Thin,Cotton,Recycled,Archive,Colored,Pre-Printed,Label,Bond, Thick,Envelopes,Cardstock

Page 17

2.Productspecicationanddescription

2.1.2.7.Consumables

ItemSpecication

PartnameMLT -D101S TonerCartridge

Averageyield•A verageCartridgeYield1,500standardpages

(Shipswith700pagesStarterTonerCartridge)

NOTE

DeclaredyieldvalueinaccordancewithISO/IEC19752.

NOTE

Dependingontheoptions,percentageofimagearea,andjobmodeused,thetonercartridge’slifespanmaydiffer.

2.1.2.8.MaintenancePart

ItemPartCodeLife

FuserUnit•JC91–01075A(220V)

•JC91–01074A(110V)

TransferRollerJC66–02709A30,000Pages

Pick-UpRollerAssyJC93–00525A30,000Pages

FrictionPadJC93–00522A30,000Pages

ADFFeedrollerJC97-03959A(ADFUnit)20,000Pages

ADFRubberpadJC97-03959A(ADFUnit)20,000Pages

30,000Pages

2.1.2.9.ReliabilityandService

ItemsSpecication

PrintingV olume(SETAMPV)75sheets/month

MPBF20,000sheets

MTTR30min.

SETLifeCycle30,000sheetsor5years(whichevercomesrst)

Page 18

2.Productspecicationanddescription

2.1.2.10.Environment

ItemSpecication

Dimension(WxDxH)Machine

WeightMachinewithconsumables

•SCX-340x/340xW:389x274x249mm(15.3x10.8

x9.8inches)

•SCX-340xF/340xFW:402x293x296mm(15.8x

11.5x11.7inches)

•SCX-340xFH:407x293x296mm(16.0x11.5x

11.7inches)

•SCX-340x/340xW:6.65Kg(14.66lbs)

•SCX-340xF/340xFW/340xFH/340xHW:8.0Kg

(17.64lbs)

NoiseLevel*

TemperatureOperation10~32°C(50~90°F)

HumidityOperation20~80%RH

Powerrating**

PowerConsumption

ReadymodeLessthan26dB(A)

PrintmodeLessthan50dB(A)

Copymode

Scanmode

110voltmodelsAC110-127V

220voltmodelsAC220-240V

AverageoperatingmodeLessthan230W

ReadymodeLessthan35W

PowersavemodeLessthan1.0W

PoweroffmodeLessthan0.45W(0.1W***)

•Scannerglass:Lessthan52dB(A)

•Documentfeeder:Lessthan51dB(A)

•Scannerglass:Lessthan52dB(A)

•Documentfeeder:Lessthan53dB(A)

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

**Seetheratinglabelonthemachineforthecorrectvoltage(V),frequency(hertz)andtypeofcurrent(A)foryourmachine.

***Forthemachinethathasapowerswitch.

Page 19

2.1.2.11.Accessories

ImageItemRemark

Powercord

Quickinstallationguide

SoftwareCDThesoftwareCDcontainstheprinterdriversandsoftware

Misc.accessoriesMiscellaneousaccessoriesincludedwithyourmachinemay

2.Productspecicationanddescription

applications.

varybycountryofpurchaseandspecicmodel.

HandsetHandsetmodelonly

Page 20

2.Productspecicationanddescription

2.1.3.ModelComparisonTable

Samsung

SCX-3405FW

Image

Speed(A4)20ppm16ppm18ppm

FPOT

(fromready)

Processor433MHz375MHz400MHz

Memory64MB128MB64MB

EmulationGDIGDI,PCL5eGDI

Paper

Capacity

Noise50dBA49dBA51dBA

Input150Bin150CST150Bin

Output100sheet50sheet100sheet

ADF40sheetN/A35sheet

lessthan8.5seclessthan8.5seclessthan8.5sec

Samsung

SCX-3205W

M1212nf

TonerCartridge1.5K(0.7K)1.5K(0.7K)1.6K(0.7K)

Page 21

2.Productspecicationanddescription

2.2.SystemOverview

Thischapterdescribesthefunctionsandoperatingprincipalofthemaincomponent.

2.2.1.FrontView

NOTE

•Thisillustrationmaydifferfromyourmachinedependingonyourmodel.Therearevarioustypesofmachine.

•Somefeaturesandoptionalgoodsmaynotbeavailabledependingonmodelorcountry .

TypeA

1Scannerlid

2Controlpanel

3Tray

4Trayhandle

5Outputsupport

7Scannerglass

8Scanunit

9Innercover

10Tonercartridge

6Outputtray

Page 22

2.Productspecicationanddescription

1 2

13 14

TypeB

1Documentfeedercover

2Documentfeederguidecover

3Documentfeederoutputtray

4Documentfeederoutputsupport

5Controlpanel

6Handle

11Scannerlid

12Scannerglass

13Paperwidthguideonadocumentfeeder

14Documentfeederinputsupport

15Documentfeederinputtray

16Handset*

7Tray

8Trayhandle

9Outputsupport

17Scanunit

18Innercover

19Tonercartridge

10Outputtray

*Handsetmodel(SCX-340xFH)only

Page 23

2.Productspecicationanddescription

2.2.2.RearView

NOTE

•Thisillustrationmaydifferfromyourmachinedependingonyourmodel.Therearevarioustypesofmachine.

•Somefeaturesandoptionalgoodsmaynotbeavailabledependingonmodelorcountry .

TypeA

1USBport2Powerreceptacle

TypeB

1USBport4Telephonelinesocket

(Line)

2Networkport5Powerreceptacle

3Extensiontelephone

socket(EXT)

Page 24

2.Productspecicationanddescription

2.2.3.PaperPath

Thefollowingdiagramdisplaysthepaththepaperfollowsduringtheprintingprocess.

[ADF]

[Engine]

Page 25

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

2Plate-Bottom

3Pickuproller

4Feedroller

5Transferroller

6Tonercartridge

7Fuserunit

8Exitroller1

9ADF

Page 26

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.Pickuprollerisdrivenbyclutch.

Page 27

2.Productspecicationanddescription

2.2.4.2.TransferRoller

ThetransferrollerdeliversthetoneroftheOPCdrumtothepaper.

•LifeSpan:Printover30,000sheets(in15~30°C)

2.2.4.3.DriveUnit

InSCX-340xseries,thedrivingdeviceconsistsofOPC,Pick-up,Feed,Fuser,Gear-TrainconnectedwithMounting member.Astepmotorfordrivingisassembledtotheleftframe.

•DrivingFrequency:StepMotor810PPS(1013rpm)

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

Page 28

2.Productspecicationanddescription

2.2.4.4.FuserUnit

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

1)Thermostat

Whenaheatlampisoverheated,aThermostatcutsoffthemainpowertopreventover-heating.

•ThermostatT ype:Non-ContacttypeThermostat

•ControlT emperature:195°C±5°C

2)Thermistor

Itisatemperaturedetectingsensor.

•TemperatureResistance:7kΩ(180°C)

3)Heatroller

Theheatrollertransferstheheatfromthelamptoapplyaheatonthepaper.

ThesurfaceofaheatrolleriscoatedwithTeon,sotonerdoesnotsticktothesurface.

4)Pressureroller

Apressurerollermountedunderaheatrollerismadeofasiliconresin,andthesurfacealsoiscoatedwithTeon.Whena paperpassesbetweenaheatrollerandapressureroller,toneradherestothesurfaceofapaperandispermanentlyfused.

5)HalogenLamp

•V oltage:120V(115±5%)/220V:230±5%

•Capacity:850W att±25W

Page 29

6)Itemsforsafety

•Protectingdeviceforoverheating

•Safetydevice

2.Productspecicationanddescription

-1stprotectiondevice:Hardwarecutsoffwhenoverheated

-2ndprotectiondevice:Softwarecutsoffwhenoverheated

-3rdprotectiondevice:Thermostatcutsoffmainpower.

-Afuserpoweriscutoffwhenafrontcoverisopened.

-Maintainatemperatureoffusercover’ssurfaceunder80°Cforuser,andattachacautionlabelatwhere

customercanseeeasilywhencustomeropenarearcover.

Page 30

2.Productspecicationanddescription

2.2.4.5.LSU(LaserScannerUnit)

ItisthecorepartoftheLBP(LaserBeamPrinter)whichswitchesfromthevideodatareceivedtothecontrollertothe electrostaticlatentimageontheOPCdrumbycontrollinglaserbeam,exposingOPCdrum,andturningprincipleofpolygon mirror.TheOPCdrumisturnedwiththepaperfeedingspeed.TheHSYNCsignaliscreatedwhenthelaserbeamfromLSU reachestheendofthepolygonmirror,andthesignalissenttothecontroller .ThecontrollerdetectstheHSYNCsignalto adjusttheverticallineoftheimageonpaper .Inotherwords,aftertheHSYNCsignalisdetected,theimagedataissentto theLSUtoadjusttheleftmarginonpaper.Theonesideofthepolygonmirrorisonelineforscanning.

Page 31

2.Productspecicationanddescription

2.2.4.6.TonerCartridge

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

•DevelopingMethod:Nonmagneticsinglecomponentnon-contactingmethod

•Toner:Nonmagneticsinglecomponentpulverizedtypetoner

•Thelifespanoftoner(ISO19752pattern/A4standard)

-Initialtoner:0.7K

-Salestoner:1.5K

•OPCCleaning:Collectthetonerbyusingcleaningblade

•Handlingofwastedtoner:Collectthewastedtonerinthecleaningframebyusingcleaningblade

•Classifyingdevicefortonercartridge:IDisclassiedbyCRUM

Page 32

2.Productspecicationanddescription

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2.2.5.Hardwareconguration

TheSCX-340xseriesElectricalCircuitSystemconsistsofthefollowing:

•Mainboard(Systemboard)

•OPEboard

•HVPS/SMPSboard

•Wirelessboard(OnlySCX-340xW,FW)

•Faxboard

DiagramoftheSCX-340xseriesElectricalCircuit

SCX-340xserieshasasystemboardofintegratedenginecontrollerandvideocontroller.

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

ThevideocontrollerreceivesprintdatafromthehostthroughnetworkorUSBPort.Ittakesthisinformationandgenerates printablevideobitmapdata.

Themainboardisadopted433MHzC3NCPUthatisintegratedwithenginecontroller,videocontroller,SDRAM,Flash ROM.ItusesSDRAMandFlashROMinsidetheASICchip.

Page 33

Circuitboardlocations

Thefollowingdiagramsshowthelocationsoftheprintercircuitboards:

2.Productspecicationanddescription

Page 34

2.Productspecicationanddescription

2.2.5.1.Mainboard

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

DDR2128MBisadoptedforhighspeeddataprocessing.Boothas8MBSPI+8MBSPI.

USBistheembeddedtypeandwirednetworksupports100Mfullduplex.

[Mainboarddiagram]

Page 35

[Mainboardimage—SCX-340x,340xW]

2.Productspecicationanddescription

•Connection

1LSUconnector

2CRUMconnector

3OPEconnector

4EngineMotorconnector

5SMPS/HVPSinterfaceconnector

6Wirelessmoduleinterfaceconnector=>

Wirelessmodelonly

8Sensorconnector

9Pickupconnector

11USBdeviceconnector

12Fuserthermistorinterfaceconnector

13Scanmotorconnector

15Scanhomesensorconnector

16CISinterfaceconnector

•Information

-Partcode:JC92–02433A~G(SCX-340x)/JC92–02444A~G(SCX-340xW)

-Partname:PBA-MAN

Page 36

2.Productspecicationanddescription

[Mainboardimage—SCX-340xF ,340xFW]

•Connection

1LSUconnector

2CRUMconnector

3OPEconnector

4EngineMotorconnector

5SMPS/HVPSinterfaceconnector

6Wirelessmoduleinterfaceconnector=>

Wirelessmodelonly

7Faxboardinterfaceconnector

8Sensorconnector

9Pickupconnector

10Wirednetworkconnector=>Wirelessmodel

only

11USBdeviceconnector

12Fuserthermistorinterfaceconnector

13Scanmotorconnector

14ADFModuleinterfaceconnector

15Scanhomesensorconnector

16CISinterfaceconnector

•Information

-Partcode:JC92–02434A(SCX-340xF)/JC92–02434B(SCX-340xFW)

-Partname:PBA-MAN

Page 37

2.Productspecicationanddescription

2.2.5.2.OPEboard

SCX-340x&SCX-340xW

TheOPEControlleriscomposedofanOPEMICOM(PT6961),SatusLED,ICCopyLED,ScanT oLED,ECOLED,WPS LED.OPEcommunicateswithmaincontrollerviaUART.ThepowerLEDiscontrolledbythemainboard.

•OPEboarddiagram

•OPEboardimage

•Information

-Partcode:JC92–02415A

-Partname:PBA-OPE

•Connection

1Interfaceconnectortomainboard

Page 38

2.Productspecicationanddescription

SCX-340xF&SCX-340xFW

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

•OPEboarddiagram

•OPEboardimage

•Information

-Partcode:JC92–02404A

-Partname:PBA-OPE

•Connection

1Interfaceconnectortomainboard

Page 39

2.Productspecicationanddescription

2.2.5.3.Faxboard

Faxcontroller(FCON)controlsthefaxsendingandreceiving.TheConnexantDAA(DataAccessArrangement)solutionis appliedtothisboard.Itconsistsofthreechipsolutions:CX82500(SFM336),CX20493(LSD),CX20437(Codec)

•Information

-PartCode:JC92–01746D/E

-PartName:PBA-LIU

•Connection

1Interfaceconnectortomaincontroller

2Speakerinterface

2.2.5.4.WirelessLANboard(wirelessmodelonly)

TheWirelessLANModulesupports802.11b/g/n.ItcommunicateswithvideocontrollerviaSPI.

[WLANboardimage]

•Information

-PartCode:JC92–02402A

-PBAname:PBA-WNPC

•Connection

1Interfaceconnectortomainboard

(JC39-01565A,FFCCABLE-WLAN)

Page 40

2.Productspecicationanddescription

2.2.5.5.SMPS/HVPSboard

SCX-340xserieshasapowerboardofintegratedSMPSandHVPS.

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

TheHVPSboardgenerateshigh-voltagechannelswhichincludesMHV ,DEVDC,DEVAC,SUPPLY ,THV .

[SMPS/HVPSboardimage]

•Specication

-GeneralInput/OutputV oltage

-AC110V(110V~127V)

-AC220V(220V~240V)

-InputCurrent:8.0A(110V)/6.3A(220V)

-OutputPower:43.2W ▪DC24V:43.2W

•Information

110V220V

PartCodeJC44–00208AJC44–00209A

PBAnameSMPS/HVPSV1SMPS/HVPSV2

•Connection

1MainBoardinterfaceconnector

2AC_Inlet

3COVEROPEN/CLOSESwitch

4FUSER_ACOutput

Page 41

•Input/Outputconnector

ACOutputConnector(CN1)

PinAssignPinNo.Description

2.Productspecicationanddescription

1AC_L

2AC_N

DCOutputConnector(CN2)

PINNOPINASSIGNDescription

1THV_READHVPS

2PWM_MHVHVPS

3nTHV_ENHVPS

4PWM_DEV_DCHVPS

5+3.3VOPENCOVERON,OFFDETECT

6PWM_DEV_ACHVPS

7+3.3VCOVERON,OFFDETECT

8nDEV_ENHVPS

9PWM_THVHVPS

10VPP_DEV_ACHVPS

11GNDCommonGround

12+24VS1Relay,Fuser

13GNDCommonGround

ACOutputforHeaterController

14GNDCommonGround

15+24VSMPS

16RELAY_ONACRELA YON(ACTIVEHIGH)

17+24VSMPS

18GNDCommonGround

19+24VSMPS

20FUSER_ONFUSER_ON(ACTIVEHIGH)

Page 42

2.Productspecicationanddescription

2.2.5.6.ElectricalPartsLocation

1)Sensors

No.DescriptionControllerFunction

S1Photointerrupter(ADFCoverOpensensor)ADFboardCoveropendetection

S2Photointerrupter(HomePositionsensor)MainboardCISdetection

S3SwitchFrontCoverSMP/HVPSboardCoveropendetection

S4Photointerrupter(widthSensor)MainboardPaperdetection

S5Photointerrupter(FeedSensor)MainboardPaperdetection

Page 43

2)Motor,Clutch

2.Productspecicationanddescription

No.Description

M1ADFmotor

M2Scanmotor

M3Mainmotor

C1PickupClutch

Page 44

2.Productspecicationanddescription

2.2.6.EngineF/WContolAlgorithm

2.2.6.1.Feeding

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

ItemDescription

JAM0

PaperEmpty

•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 45

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.Itusesthesinglebeam, 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 46

2.Productspecicationanddescription

P r in te r /MFP

HOS T

S o ftware

Driv e r

Web-b a s ed

App lica tio n

S tan d -alo n e

App lica tio n

Fi rm wa re

App lica tio n

(Em ulatio n )

Ker n e l

2.2.7.SoftwareDescriptions

2.2.7.1.Softwaresystemoverview

Thesoftwaresystemofthismodelisconstructedwith

•HostSoftwarepartthattheapplicationsoftwareoperatedinWindowandWebEnvironment

•FirmwarepartsthatisaEmbeddedsoftwarecontrolsprintingjob.

2.2.7.2.Architecture

HostSoftwareismadeupof

1)GraphicUserInterfaceoffersthevariouseditingfunctionstouserinHost.

2)DrivertranslatesthereceiveddocumenttoaPrintingCommandlanguagewhichprintercanunderstandandtransfers datatospooler.

3)Stand-aloneApplicationoffersthevariousprintingapplicationsuchasEasyPrinterManager,PrinterStatusinWindow system.

4)Web-based-ApplicationoffersthesamefunctionsasStand-aloneApplicationinW ebenvironment.

Firmwareismadeupof

1)Application(Emulation)thatisainterpretertranslatesdatareceivedfromHosttoaprintinglanguage(PCL,PS,GDI, etc.)tobeabletomaketheusertotakesameoutputasoriginallyonewhatcomposedinHost.

2)KernelcontrolsandmanagethewholeprocedureincludingControlowandPrintingJobbeforetransferringtoEngine system.

Page 47

2.2.7.3.DataandControlFlow

Drive r

- PCL3, PS 3

Web -b a s ed

- Docum e nt Management

S ys te m

- Netwo rk Adminis tration

- S tatus Monito r

- Re m o te Control P a nel

S ta n d -a lo n e

- P rinte r S e tting Utility

- Netwo rk Adminis tration

- S tatus Monito r

Network

Interface

Applic atio n

KERNEL

Applic atio n

(Em ulatio n)

- P C L

- P S 3

Eng in e

US B

Ho s t Firmw a re

2.Productspecicationanddescription

TheaboveBlockDiagramisexplainedthat:

HostSideismadeupof

1)DriverthatisWindowsapplicationsoftwaretranslateprinteddatatooneofprinterlanguageandcreatespoolerle.

2)Web-basedApplicationthatofferavariousprinteradditionalfunctions,managementofprintingjob,printer administration,StatusmonitortomonitoringtheprinterstatusbyrealtimeinW eb,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 48

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 49

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.PreautionswhenhandlingPBA

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 50

3.DisassemblyandReassembly

3.1.3.ReleasingPlasticLatches

Manyofthepartsareheldinplacewithplasticlatches.Thelatchesbreakeasily;releasethemcarefully .

Toremovesuchparts,pressthehookendofthelatchawayfromtheparttowhichitislatched.

Page 51

3.DisassemblyandReassembly

3.2.Screwsusedintheprinter

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

PartCodeLocationDescriptionQty

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

6003-000269FRAMESCREW-TAPTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,-13

6006-001078FUSERSCREW-TAPTYPE;PH,+,WSP,B,M3,L10,ZPC(WHT),SWRCH18A1

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

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

6003-000282FUSER-UPPERSCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,-7

6003-000196FRAME-P A THSCREW-TAPTYPE;PWH,+,B,M3,L10,NIPL T ,SWRCH18A3

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

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

6002-000308FRAMEMAIN-RIGHTSCREW-TAPTYPE;PH,+,-,B,M2.6,L6,ZPC(WHT),SWRCH18A,-4

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

6003-000269FRAMEMAIN-MIDDLESCREW-T APTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,-5

6003-000282LSUSCREW-TAPTYPE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,-5

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

6003-000196COVER-MIDDLESCREW-T APTYPE;PWH,+,B,M3,L10,NIPLT ,SWRCH18A2

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

6003-000282SCANNERSCREW-TAPTYPE;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,NIPL T,SWRCH18A5

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

6003-000196COVER-REARSCREW -T APTYPE;PWH,+,B,M3,L10,NIPL T ,SWRCH18A2

6003-000196COVER-FRONTSCREW-T APTYPE;PWH,+,B,M3,L10,NIPL T,SWRCH18A4

6003-000196COVER-MIDDLESCREW-T APTYPE;PWH,+,B,M3,L10,NIPLT ,SWRCH18A2

6003-000196HOLDER-OPESCREW-TAPTYPE;PWH,+,B,M3,L10,NIPL T,SWRCH18A2

6003-000196SHILED-CONTROLLERSCREW-TAPTYPE;PWH,+,B,M3,L10,NIPL T ,SWRCH18A3

6003-000196SPEAKERSCREW-TAPTYPE;PWH,+,B,M3,L10,NIPLT ,SWRCH18A2

6003-000196WLANSCREW-TAPTYPE;PWH,+,B,M3,L10,NIPLT ,SWRCH18A1

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

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

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

6003-000269MAINPBASCREW-TAPTYPE;BH,+,-,S,M3,L6,ZPC(WHT),SWRCH18A,-4

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

Page 52

3.DisassemblyandReassembly

3.3.ReplacingtheMainSVCparts

NOTE

Thecolorofmachinemaydifferfromyourmachinedependingonitsmodel.

3.3.1.RightandLeftcover

1.OpentheScanner.

2.Remove2screwsfromtherear.

3.Releasetherightcover.

4.Releasetheleftcover.

Page 53

3.3.2.ScannerUnit

3.DisassemblyandReassembly

1.Removetherightcover.(Referto3.3.1)

2.UnplugtheconnectorsconnectingtheScannerUniton

theMainboard.

3.OpentheScannerUnit.

4.Releasethescannerhingewhilepushingtheplaten

bottomconnectingit.

5.LiftupandreleasetheScannerUnit.

Page 54

3.DisassemblyandReassembly

3.3.3.ADFUnit

1.Removetheharnesscover.Unplugtheconnector.And releasetheADFUnit.

Page 55

3.3.4.CISUnit

Be lt-Timing Ge a r

3.DisassemblyandReassembly

1.RemovetheScannerUnitandADFUnit.

2.Remove4screwsfromthebottomoftheplaten.

3.Removetheplatenupperfromtheplatenlower .

4.UnplugtheCISatcable.ReleasetheCISUnit.

5.ReleasetheBelt-TimingGear.Remove3screws.And

releasetheScanDriveUnit.

Page 56

3.DisassemblyandReassembly

3.3.5.OPEUnit

1.Remove2screws.

2.RemovetheHolder-OPE.

4.PulltheOPEunittotherightandreleaseit.

5.RemovetheOPEbackcoverafterremoving4screws.

3.OpenuptheOPEUnit.

6.RemovetheOPEboardafterremoving1screw .

Page 57

3.3.6.FrontCover

3.DisassemblyandReassembly

1.RemovetheCover-Cassette.

2.Remove4screws.

3.Removethefrontcover.

Page 58

3.DisassemblyandReassembly

Ho o k

3.3.7.MiddleCover

1.Remove2screwsfromthefront.

2.Remove2screwsfromthetop.

4.Releasebothjamleversfromthejamcover.

5.Liftupthemiddlecoverafterreleasingthehooks.

3.Remove1screw.

Page 59

3.3.8.RearCover

1.Releasetheconnectorsfromtherearcover.2.Releasetherearcoverafter3screws.

3.3.9.Mainboard

3.DisassemblyandReassembly

1.Unplugallconnectorsonthemainboard.

2.Remove4screws.

3.Releasethemainboard.

Page 60

3.DisassemblyandReassembly

3.3.10.WLANboard

1.Unplugtheatcable.

2.Remove1screw.

3.3.11.Faxboard

1.Unplugtheatcable.Removethefaxcoverafter removing2screws.

3.ReleasetheWLANboard.

2.Releasethefaxboardafterremoving2screws.

Page 61

3.3.12.SMPS/HVPSboard

3.DisassemblyandReassembly

1.Removethemainboardandfaxboard.

2.Removetheshield-controllerafterremoving4screws.

3.Remove1screwsecuringtheSMPScover.

4.RemovetheSMPScover.

5.ReleasetheSMPS/HVPSboardafterremoving8

screws.

Page 62

3.DisassemblyandReassembly

3.3.13.FuserUnit

1.Removethemainboard.(Referto3.3.8)

2.Unplugthefuserconnector.

3.3.14.DriveUnit

1.ReleasetheDriveUnitafterremoving4screws.

3.Releasethefuserunitafterremoving3screws.

Page 63

3.3.15.LSU

3.DisassemblyandReassembly

1.Removeallcovers.

2.Remove2screwssecuringtheLSUcover.

3.Remove2screwssecuringtheLSUcover.Unplugthe

motorconnector.AndreleasetheLSUcover.

4.Unplug2atcables.Remove3screws.Andrelease theLSU.

Page 64

3.DisassemblyandReassembly

3.3.16.FeedSensorPBA

1.Removetherearcover.(Referto3.3.7)2.UnplugtheconnectorafterreleasingtheFeedSensor PBA.

3.3.17.Pickuproller

1.Remove2screwsfromthebottom.2.Releasethepickuproller.

Page 65

3.DisassemblyandReassembly

3.3.18.Motor

1.Releasetheleftframeafterremoving7screws.2.Releasethemotorafterremoving2screws.

Page 66

3.DisassemblyandReassembly

3.3.19.Transferroller

1.Removethetonercartridge.

2.Releasetheleftandrightcoverafterremoving2screws.

(referto3.3.1)

3.Unplugtheconnectorsonmainboard.Releasethe

scannerhinge.Andreleasethescannerunit.(referto

3.3.2)

4.Releasetherearcoverafterremoving6screws.

5.PushtheBush-TRfromtherearandremovethe

Transferrollerfromthefront.

6.Whenreassemblingit,pushthebush-TRintwo directionlikebelowpicture.

Page 67

4.AlignmentandTroubleshooting

4.1.AlignmentandAdjustments

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

4.1.1.ControlPanel

NOTE

Thiscontrolpanelmaydifferfromyourmachinedependingonitsmodel.Therearevarioustypesofcontrolpanels.

SCX-340x,340xW(3in1model)

1EcoTurnintoecomodetoreducetonerconsumptionandpaperusage.

2WPSConguresthewirelessnetworkconnectioneasilywithoutacomputer.

Page 68

4.AlignmentandTroubleshooting

Screen

3ScantoSendsscanneddata.

4IDcopyAllowsyoutocopybothsidesofanIDcardlikeadriver’slicenseonasingleside

5PowerTurnsthepoweronoroff,orwakesupthemachinefromthepowersavemode.If

6FrontLEDWhentheLEDlightson,placethefrontsideofanIDcardfacingdownonthe

PressthisbuttonandthegreenLEDwillstartblinking.Ifyouwanttoprintonlythe activescreen,releasethebuttonwhenthegreenLEDstopsblinking.Ifyouwantto printthewholescreen,releasethebuttonwhileit’sblinking.

NOTE

•PrintScreencanonlybeusedintheWindowsandMacintoshoperating systems.

•Y oucanonlyusethisfunctionwithUSB-connectedmachine.

•Whenprintingtheactivewindow/wholemonitorscreenusingtheprintscreen button,themachinemayusemoretonerdependingonwhatisbeingprinted.

•Y oucanonlyusethisfunctionifthemachine’sEasyPrinterManagerprogram isinstalled.

ofpaper .

youneedtoturnthemachineoff,pressthisbuttonformorethanthreeseconds.

scannerglass.

7BackLEDWhentheLEDlightson,placethebacksideofanIDcardfacingdownonthe

scannerglass.

8Stop/ClearStopsanoperationatanytimeandtherearemorefunctions.

•Cancelsthecurrentjob.

•Printsdemopage:Pressandholdthisbuttonforabout2secondsuntilthe

statusLEDblinksslowly ,andrelease.

•SuppliedInfo&EventLog:Pressandholdthisbuttonforabout6seconds

andrelease.

•Printscongurationreports/networkcongurationreports*:Pressandhold

thisbuttonforabout4secondsuntilthestatusLEDblinksfast,andrelease.

9+/-ButtonsAllowsyoutoincrease/decreasethenumberofpageyouwanttocopy .Youcan

determinethenumberofcopies(upto99copies)youwanttocopybypressing+/buttons.Thedefaultsettingvalueis1.

•Ifyoupress+/-buttonsbriey,thenumberofcopiesincreases/decreases

bysingledigits.

•Ifyoupress+/-buttonslong,thenumberofcopiesincreases/decreases

byten-fold.

10StartStartsajob.

11StatusLEDIndicatesthestatusofyourmachine.

12TonerLEDShowsthestatusofthetoner.

13DisplayscreenShowsthecurrentstatusanddisplayspromptsduringanoperation.

Page 69

SCX-340xF,340xFW,340xFH(4in1model)

4.AlignmentandTroubleshooting

1EcoTurnintoecomodetoreducetonerconsumptionandpaperusage.

2WPSConguresthewirelessnetworkconnectioneasilywithoutacomputer.

PrintScreenPressthisbuttonandthegreenLEDwillstartblinking.Ifyouwanttoprintonlythe

activescreen,releasethebuttonwhenthegreenLEDstopsblinking.Ifyouwantto printthewholescreen,releasethebuttonwhileit’sblinking.

•PrintScreencanonlybeusedintheWindowsandMacintoshoperating

systems.

•Y oucanonlyusethisfunctionwithUSB-connectedmachine.

•Whenprintingtheactivewindow/wholemonitorscreenusingtheprint

screenbutton,themachinemayusemoretonerdependingonwhatisbeing printed.

•Y oucanonlyusethisfunctionifthemachine’sEasyPrinterManager

programisinstalled.

3IDCopyAllowsyoutocopybothsidesofanIDcardlikeadriver’slicenseonasingleside

ofpaper .

4PowerTurnsthepoweronoroff,orwakesupthemachinefromthepowersavemode.If

youneedtoturnthemachineoff,pressthisbuttonformorethanthreeseconds.

5FaxSwitchestoFaxmode.

6CopySwitchestoCopymode.

7ScanSwitchestoScanmode.

Page 70

4.AlignmentandTroubleshooting

8MenuOpensMenumodeandscrollsthroughtheavailablemenus.

9Left/RightArrowsScrollsthroughtheoptionsavailableintheselectedmenuandincreasesordecreases

values.

10OKConrmstheselectiononthescreen.

11BackSendsyoubacktotheuppermenulevel.

12StartStartsajob.

13Stop/ClearStopsanoperationsatanytime.

14StatusLEDIndicatesthestatusofyourmachine.

15NumerickeypadDialsanumberorentersalphanumericcharacters.

16OnHookDialWhenyoupressthisbutton,youcanhearadialtone.Thenenterafaxnumber.Itis

similartomakingacallusingspeakerphone.

17Redial/

Pause(-)

Redialsthelastnumberinreadymode,orinsertsapause(-)intoafaxnumberin editmode.

18AddressBookAllowsyoutostorefrequentlyusedfaxnumbersorsearchforstoredfaxnumbers.

19DisplayscreenShowsthecurrentstatusanddisplayspromptsduringanoperation.

Page 71

4.AlignmentandTroubleshooting

4.1.2.UnderstandingthestatusLED

ThecoloroftheLEDindicatesthemachine'scurrentstatus.

NOTE

•SomeLEDsmaynotbeavailabledependingonmodelorcountry .

•T oresolvetheerror,lookattheerrormessageanditsinstructionsfromthetroubleshootingpart.

•Y oualsocanresolvetheerrorwiththeguidelinefromthecomputers’ sPrintingStatusorSmartPanelprogramwindow.

LEDStatusDescription

OffThemachineisoff-line.

Green

BlinkingWhenthebacklightblinks,themachineisreceivingorprintingdata.

On•Themachineison-lineandcanbeused.

•Aminorerrorhasoccurredandthemachineiswaitingfortheerrortobecleared.

Checkthedisplaymessage.Whentheproblemiscleared,themachineresumes.

Blinking

•Smallamountoftonerisleftinthecartridge.Theestimatedcartridgelifeoftoneris

close.Prepareanewcartridgeforreplacement.Y oumaytemporarilyincreasethe

Status

Red

printingqualitybyredistributingthetoner.

•Atonercartridgehasalmostreacheditsestimatedcartridgelife*.Itisrecommended

toreplacethetonercartridge.

Orange

Blue

WPS

Blue

Power

BlinkingUpgradingrmware.

OnApaperjamhasoccurred.

BlinkingThemachineisconnectingtoawirelessnetwork.

OnThemachineisconnectedtoawirelessnetwork.

OffThemachineisdisconnectedfromawirelessnetwork.

OnThemachineisinpowersavemode.

Off

•Thecoverisopened.Closethecover.

•Thereisnopaperinthetray.Loadpaperinthetray.

•Themachinehasstoppedduetoamajorerror.Checkthedisplaymessage.

Themachineisinreadymodeormachine’spowerisoff.

OnEcomodeison.2-up,tonersaveon,skipblankpagefeaturewillautomaticallybeapplied

EcoGreen

OffEcomodeisoff.

BlinkingSmallamountoftonerisleftinthecartridge.Theestimatedcartridgelife*oftonerisclose.

TonerOrange

OnAtonercartridgehasalmostreacheditsestimatedcartridgelife*.Itisrecommendedto

OffAlltonercartridgesareatnormalcapacity.

whenprinting.For3in1model,thisfunctioncanbeappliedwhenprintingfromPC.

Prepareanewcartridgeforreplacement.Y oumaytemporarilyincreasetheprintingquality byredistributingthetoner .

replacethetonercartridge

Page 72

4.AlignmentandTroubleshooting

NOTE

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

Page 73

4.1.3.JAMremoval

4.1.3.1.Clearingoriginaldocumentjams

NOTE

Illustrationsonthisuser’sguidemaydifferfromyour machinedependingonitsoptionsormodels.

Originalpaperjaminfrontofscanner

4.AlignmentandTroubleshooting

1)Openthedocumentfeedercover.

2)Gentlyremovethejammedpaperfromthedocument feeder.

3)Closethedocumentfeedercover.

Page 74

4.AlignmentandTroubleshooting

Originalpaperjaminsideofscanner

1)Openthedocumentfeedercover.

2)Gentlyremovethejammedpaperfromthedocument feeder.

4)Openthedocumentfeeder.

5)Graspthemisfeedpaper,andremovethepaperfrom thefeedareabycarefullypullingit.

3)Closethedocumentfeedercover.

6)Closethedocumentfeeder.

Page 75

4.1.3.2.Clearingpaperjams

NOTE

Toavoidtearingthepaper,pullthejammedpaperoutslowly andgently.

InTray

1)Removethejammedpaperbygentlypullingitstraight out.

4.AlignmentandTroubleshooting

Insidethemachine

1)Openthescannerunit.2)Openthejamcover.

Page 76

4.AlignmentandTroubleshooting

3)Openthefuserdummycover.

4)Removethejammedpaperbygentlypullingitstraight out.

6)Closethejamcover.Andthenclosethescannerunit.

Ifyoudonotseethepaperinthisarea,stopandgoto nextstep.

7)Openthescannerunit.

5)Closethefuserdummycover.

8)Openthemiddlecover.

Page 77

4.AlignmentandTroubleshooting

9)Removethetonercartridge.

10)Removethejammedpaperbygentlypullingitstraight out.

12)Closethemiddlecover.

13)Closethescannerunit.

11)Reinstallthetonercartridge.

Page 78

4.AlignmentandTroubleshooting

1 High 3

2 High 2 3 High 1

4 Normal

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™WebService.

Page 79

4.AlignmentandTroubleshooting

4.1.5.PeriodicDefectiveImage

Ifanimagedefectsappearsatregularintervalsontheprinted-paper,itisduetoafaultyordamagedroller .Refertothetable belowandchecktheconditionoftheappropriateroller .

RollerPeriod(mm)PhenomenonDefectivepart

1PressureRoller62.8mmBackground

2HeatRoller63.7mmBlackspotandimageghost

3ChargingRoller26.7mmBlackSpotandlineandperiodicband

4OPCDrum62.9mmWhiteandBlackSpots

5DevelopingRoller33.7mmWhitespot,Horizontalblackband

6SupplyRoller78.2mmPeriodicBandbylittledifferenceofdensity

7TransferRoller39.3mmGhost,Damagedimagebyabnormal

transfer

FuserUnit

TonerCartridge

Transferroller

Page 80

4.AlignmentandTroubleshooting

4.1.6.Usefulmanagementtools

4.1.6.1.UsingSamsungEasyPrinterManager(WindowsandMacintoshonly)

NOTE

•Thisfeaturemaynotbeavailabledependingonmodeloroptionalgoods.

•A vailableforWindowsorMacintoshOSusersonly.

•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 81

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 .Y oucanorder

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.

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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.

3OrderSuppliesY oucanorderreplacementtonercartridge(s)fromonline.

4TroubleshootingYoucandirectlyopenthetroubleshootingsectionintheuser’sguide.

5CloseClosethewindow .

Page 83

4.AlignmentandTroubleshooting

4.1.6.3.UsingSmartPanel(Linuxonly)

SmartPanelisaprogramthatmonitorsandinformsyouofthemachine’sstatus,andallowsyoutocustomizethemachine’s settings.Y oucandownloadSmartPanelfromtheSamsungwebsite.

NOTE

•TheSmartPanelwindowanditscontentsshowninthisuser’sguidemaydifferdependingonthemachineoroperating

systeminuse.

•Checktheoperatingsystem(s)thatarecompatiblewiththismodel.

SmartPaneloverview

Ifanerroroccurswhileoperating,youcanchecktheerrorfromtheSmartPanel.YoucanalsolaunchSmartPanelmanually .

Double-clicktheSmartPaneliconintheNoticationArea.

1TonerLevelY oucanviewtheleveloftonerremainingineachtonercartridge.Themachineandthe

numberoftonercartridge(s)shownintheabovewindowmaydifferdependingonthe machineinuse.Somemachinesdonothavethisfeature.

2BuyNowY oucanorderreplacementtonercartridge(s)fromonline.

3User’sGuideYoucanviewtheonlineUser’sGuide.

NOTE

ThisbuttonopenstheTroubleshootingGuidewhenanerroroccurs.Youcandirectly

openthetroubleshootingsectionintheuser’sguide.

4PrinterSettingYoucancongurevariousmachinesettingsinthePrinterSettingsUtilitywindow.Some

machinesdonothavethisfeature

NOTE

Ifyouconnectyourmachinetoanetwork,theSyncThru™WebServicewindow

appearsinsteadofthePrinterSettingsUtility.

ChangingSmartPanel‘ssettings

Right-clickinLinuxontheSmartPaneliconandselectConguresmartpanel.Selectthesettingsyouwantfromthe Conguresmartpanelwindow.

Page 84

4.AlignmentandTroubleshooting

4.1.6.4.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)OpentheW eb-browserandinputIPaddressofmachine.Click“Login”.

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

3)Selectpagestocheckthecongurationandcustomizethesettings.

CAUTION

Please,changeSWSDefaultIDandPasswordforsystemsecurityincaseofyourrstconnection.

Page 85

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 86

4.AlignmentandTroubleshooting

4.1.7.UpdatingFirmware

Thischapterincludesinstructionsforupdatingtheprinterrmware.Youcanupdatetheprinter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 87

4.1.7.2.Updatethermwarebyusingthenetwork

Upgradingpreparations

•WiredorWirelessNetworkconnectionisestablished.

•Firmwareletoupdate

UpgradeProcedure

1)OpentheW eb-browserandinputIPaddressofmachine.Click“Login”.

4.AlignmentandTroubleshooting

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

3)SelectMaintenancemenuandclick“upgradewizard”

Page 88

4.AlignmentandTroubleshooting

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

5)SyncThruwillcheckverifyrmwareleandcompareversionandpressnextbutton.

6)Machinestartsupgrading.SyncThruwillreturnhomepageafterupgradingiscompleted.

Page 89

4.AlignmentandTroubleshooting

4.1.8.TechMode

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

4.1.8.1.Techmode(4in1model)

a)EnteringTechmode

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

2)PressMenu.

3)Select“T echMode”.

b)Techmodemenu

NOTE

ThisfunctiondoesnotsupportedforSCX-340x/SCX-340xWSeries.

Depth1Depth2Depth3

DataSetup

MachineTest

SendLevel[9-15]

DTMFLevelHigh[0-15]

PauseTime[1-9]

DialModeTone,Pulse

ModemSpeed33.6,28.8,14.4,12.0,9.6,4.8

ErrorRate5%,10%

ClearAllMem.

TonerLowLevel[1:30]:10

ClearCount

EngineFooterOff,On

DialToneOff,On

CallerIDOff,On

SwitchTest

ModemTest

DramTest

RomTest

ShadingTest

ScanAging

Page 90

4.AlignmentandTroubleshooting

Depth1Depth2Depth3

Report

EDCMode

AllReport

Protocol

SuppliesInfo

Conguration

ErrorInfo

UsageCounter

ComponentCheck

FaxOptions

NVMInitialize

NVMReadWrite

TestRoutine

c)DataSetup

•SendLevel

Youcansetthelevelofthetransmissionsignal.Typically,theTxlevelshouldbeunder-12dBm.

NOTE

TheSendFaxLevelissetatthebestconditionintheshipmentfromfactory.

•DTMFLevel

ThisisasettingvalueoftheHighleveltoneandlowleveltoneatDTMFmode.(Notdialmode)

•PauseTime

Itshowsthedelaytimewhenreceivingthepauseinputatautodial.

•DialMode

Thisfunctioncanchoosedialmethod.

*Default:Dial(Dial/Pulse)

•ModemSpeed

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

•ErrorRate

Whentheerrorrateisaboutexceedthesetvalue,theBaudrateautomaticallyadjuststo2400bps.Thisensuresthatthe errorrateremainsbelowthesetvalue.Y oucanselecttheratebetween5%and10%.

Page 91

4.AlignmentandTroubleshooting

•ClearAllMemory

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

NOTE

Alwaysperformamemoryclearafterreplacingthemainboard.Otherwise,thesystemmaynotoperateproperly.

•TonerLowLevel

Thefunctionistosetupthetimetoinformtonerlowstatus.Thisfunctioncanprovideuserconvenienceforreplacing thetonercartridge.

•ClearCount

Thisfunctionresetsthecountvalueyouselect.

•EngineFooter

Thisfunctionisformonitoringoftheenginestatus.Ifyouperformthisfunction,atprinting,thesettingvalueforengine isshownonthebottomoftheprintedpage.

d)MachineT est

•SwitchTest

Usethisfeaturetotestallkeysontheoperationcontrolpanel.TheresultisdisplayedontheLCDwindoweach timeyoupressakey .

•ModemTest

Usethisfeaturetohearvarioustransmissionsignalstothetelephonelinefromthemodemandtocheckthemodem.If notransmissionsignalsoundisheard,itmeansthemodempartofthemainboardmalfunctioned.

•DramTest

Usethisfeaturetotestthemachine’sDRAM.TheresultappearsintheLCDdisplay .

•ShadingTest

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

e)Report

•Allreport

Youcanprintallreportatatime.

•Protocol

ProtocollistshowsthesequenceoftheCCITTgroup3T.30protocolduringthemostrecentsendingorreceiving operation.Usethislisttocheckforsendandreceiveerrors.

•SuppliesInfo

SuppliesInformationReportshowstonercartridgeinformationsuchastonerremaining,tonercapacity,tonerproduct dateetc.

•Conguration

Congurationreportshowsthestatusoftheuser-selectableoptions.Youmayprintthislisttoconrmyourchanges afterchangingsettings.Thispageprovidesusefulinformationforservice.

•ErrorInfo

ErrorInformationReportshowserrorrecords.

Page 92

4.AlignmentandTroubleshooting

•UsageCounter

Usagepagereportshowsusagepagecountssinceservicedate.Itshowstotalcountsofthesimplexprintandduplexprint.

•ComponentCheck

ComponentCheckReportshowstheoperationprocedureofthemachinetestintechmode.

f)EDCmode

•NVMInitialize

ThismenuistoinitializetheNVMvalue.

•NVMRead/Write

Thismenucanchangeacongurationvalueforenginermware.

•TestRoutines

Thismenucanperformtheoperationtestforthemaincomponents.

CodeDisplayedNameMeaning

100-0000MainBLDCMotorMainBLDCMotorisOn/OffOutputOn[Off]

101-0010T1Pick-UpClutchEngagesdrivetopickupapaperfromtray1.OutputOn[Off]

102-0290FeedSensorDetectwhenapaperisatFeedsensor.InputHigh[Low]

105-0030BlackMHVBiasBlackMHVbiasvoltageonatnormaldrivelevelOutputOn[Off]

106-0030BlackDevBiasBlackDevbiasvoltageonatnormaldrivelevelOutputOn[Off]

107-0030BlackTHVBiasBlackTHVbiasvoltageonatnormaldrivelevelOutputOn[Off]

107-0031BlackTHV(-)BiasBlackTHVbiasvoltageonatnormaldrivelevelOutputOn[Off]

109-0000FuserTemperatureADetectswhatthetemperatureAisonfuser.Input

109-0050FuserBiasFuserbiasvoltageonatnormaldrivelevelOutputOn[Off]

110-0000

110-0060LSUMotor1RunLSUMotor1On/OffOutputOn[Off]

110-0110LSULDPower4LSULD4PowerOn/Off(black)OutputOn[Off]

LSUMotor1Run Ready

DetectsifLSUmotor1runsatnormalspeed.InputHigh[Low]

Input/ Output

Displayed

Numeric3 digits

State

Page 93

4.1.8.2.TechMode(3in1model)

a)EnteringTechmode

Inordertoentertechmode,pleasepressbuttonstepbystepasfollows:

•Up>Up>Stop>Down>Down>Stop>Stop

Machinedisplays“UC”in7segmentareaintechmode.

4.AlignmentandTroubleshooting

NOTE

•Buttonintervalis2secondunder.

•IfStopbuttonispressedintechmode,machinereturnsusermode.

•Whenmachineispoweroffandthenon,machinereturnsusermode.

•Anykeywasnotpressedintechmodeduring30seconds,machinereturnusermode.

(Timeisdependonmachinetimeout)

•Y oucan’tentertechmodewhenmachineisworking(e.g.printing/scanning/coping)

•Machinewillnotentersleepmodeintechmode

b)Techmodemenu

LCDDisplayDescription

1UCPrintusagecounterreport(UC)

2SOPrintShadingReport(Reportprintsoutaftershading)

3SIPrintSuppliesInfoReport

4ELPrintEventLog

5AAPrintAllReports

•Shadingisnotwork,justprintoutwithcurrentshadingdata

•ExceptionReportisnotprinted

6SAExecutesScannerAging(Ifcancelbuttonispressed,thenagingisnished)

Page 94

4.AlignmentandTroubleshooting

LCDDisplayDescription

7FCExecutesFactoryMemoryClear

8LCControlTonerLowLevel

•T onerlowalertfunctionisthatifmachinehas10%belowtoner,thenmachine

•Thisfeaturecomesfrommarketrequirement.Y oucancontrolpercentagefor

c)ScannerAging

•[EnterScannerAgingmode]

1)Select“SA”inTechmodeusingUp/Downbuttonpressing.

2)Scannerwillexecutescanninginnitely.

•[EnterScannerAgingmode]

PressCancelduringscanagainworking.

d)Factorymemoryclearing

willdisplayalerttotelltonerlow.

showingtonerlowalertfrom1to30.

•[MemoryClearingModeSequence]

1)Select“FC”menuintechmode.

2)Ifyouchoicefactoryclear,countrynumberwillbedisplayedon7segment.

SelectcountrynumberusingUp/Downkey.

CountryNumber

UK0

FRANCE1

AUSTRIA2

SWITZERLAND3

ITALY4

SPAIN5

PORTUGAL6

NORW AY7

FINLAND8

SWEDEN9

NETHERLANDS10

DENMARK11

CountryNumber

GREECE20

TURKEY21

RUSSIA22

SOUTHAFRICA23

INDIA24

SRILANKA25

USA26

CANADA27

BRAZIL28

CHILE29

MEXICO30

ARGENTINA31

CountryNumber

HONGKONG40

UKRAINE41

KAZAKHSTAN42

UZBEKISTAN43

ESTONIA44

LATVIA45

LITHUANIA46

PUERTORICO47

VENEZUELA48

AUSTRALIA49

TAIWAN50

SINGAPORE51

BELGIUM12

HUNGARY13

POLAND14

CZECH15

ROMANIA16

BULGARIA17

IRELAND18

GERMANY19

PERU32

OMAN33

BANGLADESH34

KUWAIT35

MOROCO36

ALGERIA37

PAKISTAN38

UAE39

KOREA52

LUXEMBOURG53

COLOMBIA54

SAUDIARABIA55

ISRAEL56

IRAN57

URUGUAY58

CHINA59

Page 95

4.AlignmentandTroubleshooting

CountryNumber

THAILAND60

TRINIDAD61

EGYPT62

JORDAN63

LEBANON64

QATAR65

TUNISIA66

YEMEN67

CYPRUS68

ICELAND69

YUGOSLA VIA70

NEWZEALAND71

MALAYSIA72

PANAMA73

SLOVENIA74

CROATIA75

SERBIA76

GUATEMALA77

ECUADOR78

COSTARICA79

DOMINICAN REPUBLIC

CountryNumber

NETHERLAND ARTILLES

ARTIGUA82

BAHAMAS83

BARBADOS84

BELIZE85

BERMUDA86

BONAIRE87

ELSALV ADOR88

GRANDCAYMAN89

GUYANA90

HAITI91

HONDURAS92

JAMICA93

SURINAME94

TURKSCAICOS95

BOLIVIA96

GRENADA97

PARAGUAY98

STVINCENT99

STMAARTEN100

STLUCIA101

IRAQ102

CountryNumber

BAHRAIN103

NICARAGUA104

SLOV AKIA105

INDONESIA106

VIETNAM107

CAMBODIA108

PHILIPPINES109

SYRIA110

MALTA111

LIECHTENSTEIN112

ALBANIA113

MACEDONIA114

BOSNIA115

LAOS116

NEPAL117

LIBYA118

NIGERIA119

KENYA120

TANZANIA121

SUDAN122

PALESTINE123

MONTENEGRO124

3)Press“Start”Key.

4)Machinewillexecutememorycleaning.

5)Afterfactorymemoryclearing,machinepoweroff.

NOTE

-Y oucancancelifmachinestatein1~3sequencenumber.

-Y oucan’tcancelfactoryclearingduring4sequencenumber.

•[MemoryClearingnotworkingcases]

-Memoryclearingisonlyavailableinidlemode.

-Especially,whenmachineisworkingintechmode,ifyouwillselectfactoryclearing,workingjobwillbecanceled

andthenmemoryclearingisstarted.

e)TonerLowAlertLevelControl

•[ExecutionFlow]

1)Select“LC”menuitemintechmode.

2)Machinewilldisplaycurrenttonerlowsettingvalueon7segment.

3)Selectnumberusingup/downkey.Y oucanselect1~30.

Page 96

4.AlignmentandTroubleshooting

4)Ifyouselect“start”key,thenchoicevalueisacceptedandreturnstomenuchoicemode.

4.1.9.EDCprogram(3in1modelonly)

NOTE

SCX-340x/340xW(3in1)modelhasnotEDCmenuintechmode.Instead,thereisaprogramforEDCfunction.

TheEDCprogramcancheckthemachinestatusandperformvarioustesttoisolatethecauseofamalfunction.

1)HowtousetheEDCprogram

1)DownloadtheEDCprograminyourPC.

2)ConnecttheprintertothecomputerusingUSBcable.

3)Turnontheprinterandwaitfortheprintertonishinitializing.

4)StartEDCprogram.Pressthe“Menu”Button

5)ToexittheEDCMode,pressthe“Exit”button.

2)EDCmodemenu

DisplayedNameMeaning

MainBLDCMotorMainBLDCMotorisOn/Off

T1Pick-UpClutchEngagesdrivetopickupapaperfromtray1.

FeedSensorDetectwhenapaperisatFeedsensor.

BlackMHVBiasBlackMHVbiasvoltageonatnormaldrivelevel

BlackDevBiasBlackDevbiasvoltageonatnormaldrivelevel

BlackTHVBiasBlackTHVbiasvoltageonatnormaldrivelevel

BlackTHV(-)BiasBlackTHVbiasvoltageonatnormaldrivelevel

FuserTemperatureADetectswhatthetemperatureAisonfuser.

FuserBiasFuserbiasvoltageonatnormaldrivelevel

LSUMotor1RunReadyDetectsifLSUmotor1runsatnormalspeed.

LSUMotor1RunLSUMotor1On/Off

LSULDPower4LSULD4PowerOn/Off(black)

Page 97

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 98

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 99

4.2.2.ErrorCodeandTroubleshooting

NOTE

Somemessagesmaynotappearonthedisplaydependingontheoptionsormodels.

•SCX-340xF/340xFW/340xFH(4in1)

Messagesappearonthecontrolpaneldisplaytoindicatethemachine’sstatusorerrors.

•SCX-340x/340xW(3in1)

ThesemodelshavenottheLCD.Ifmachinehaserror,itishardtoknowwhichkindsoferrorishappened.

Incaseofthis,machinesupportserrorcodedisplaymode.

-[EnterErrorCodeDisplayMode]

Pressbuttoncontinuouslyasfollowingkeysequence:Power>Up>Down>Power>Power

NOTE

▪Machineonlydisplayerrorcodeinidlemode.Inotherword,machinecan’tprintwhenitisworking.

▪Buttonintervaltimebetweeneachkeysequenceis2secondsbelow.

▪Machineautomaticallyreturnstoidlemodeafterpoweroff/on.

4.AlignmentandTroubleshooting

-[ExitErrorCodeDisplayMode]

Inordertoexiterrorcodemode,therearetwokindsofmethod.

▪Bypressingcancelkey:Wheneveryoupresscancelkeyduringerrorcodesaredisplayed,thenreturnto

idlemode.

▪Automaticallyreturn:Machinewillreturnidlemodeafterallerrorcodesaredisplayed.

ErrorCodeErrorMessageT roubleshooting

C2-1110PreparenewcartridgePage4–35

C2-1120ReplacenewcartridgePage4–35

C2-1140ReplacenewcartridgePage4–35

C2-1410InstalltonercartridgePage4–35

C2-1510NotCompatibleTonercartridgePage4–36

C2–1710Error:#C2-1710CallforServicePage4–35

C2–1711Error:#C2-1711CallforServicePage4–35

C2–1712Error:#C2-1712CallforServicePage4–35

M2-1110PaperJaminsidemachinePage4–36

M2–1116PaperjamoremptyPage4–36

M2–1317PaperJaminsidemachinePage4–37

S1-5221InstallwirelessNICPage4–37

S2-4110DooropenCloseit

S3–3121ScannerLocked.

S6-3123NetworkProblem:IPConictPage4–40

U1-2320Error#U1-2320TurnoffthenonPage4–40

U1-2330Error#U1-2330TurnoffthenonPage4–40

U1-2340Error#U1-2340TurnoffthenonPage4–40

U2-1112Error#U2-1112TurnoffthenonPage4–41

Page4–38

Page4–39

Page 100

4.AlignmentandTroubleshooting

ErrorCodeErrorMessageT roubleshooting

U2-1113Error#U2-1113TurnoffthenonPage4–41

U3-3313Documentjam.RemovejamPage4–42

U3-3314Documentjam.RemovejamPage4–42

U3-4110Doorofscannerisopen.Page4–42

Samsung SCX-340x 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

2.1.2.5.ControllerandSoftware

2.1.2.6.PaperHandling

2.1.2.7.Consumables

2.1.2.8.MaintenancePart

2.1.2.9.ReliabilityandService

2.1.2.10.Environment

2.1.2.11.Accessories

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

2.2.5.4.WirelessLANboard(wirelessmodelonly)

2.2.5.5.SMPS/HVPSboard

2.2.5.6.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.PreautionswhenhandlingPBA

3.1.3.ReleasingPlasticLatches

3.2.Screwsusedintheprinter

3.3.ReplacingtheMainSVCparts

3.3.1.RightandLeftcover

3.3.2.ScannerUnit

3.3.3.ADFUnit

3.3.4.CISUnit

3.3.5.OPEUnit

3.3.6.FrontCover

3.3.7.MiddleCover

3.3.8.RearCover

3.3.9.Mainboard

3.3.10.WLANboard

3.3.11.Faxboard

3.3.12.SMPS/HVPSboard

3.3.13.FuserUnit

3.3.14.DriveUnit

3.3.15.LSU

3.3.16.FeedSensorPBA

3.3.17.Pickuproller

3.3.18.Motor

3.3.19.Transferroller

4.AlignmentandTroubleshooting

4.1.AlignmentandAdjustments

4.1.1.ControlPanel