ServiceManual

ColorInkjetPrinter

EPSON

ET-4700/L5190/L5196/L5198

ET-2710/ET-2711/L3150/L3151/L3158L3110/L3111/L3118/L3119L3100/L3101/L3108

ET-L1110/L1110/L1118/L1119

Confidential

SEMF18-001

Confidential

Notice

Allrightsreserved.Nopartofthismanualmaybereproduced,storedinaretrievalsystem,ortransmittedinanyformorbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutthepriorwrittenpermissionofSEIKOEPSONCORPORATION.

Allefforthavebeenmadetoensuretheaccuracyofthecontentsofthismanual.However,shouldanyerrorsbedetected,SEIKOEPSONwouldgreatlyappreciatebeinginformedofthem.

Thecontentsofthismanualaresubjecttochangewithoutnotice.

TheabovenotwithstandingSEIKOEPSONCORPORATIONcanassumenoresponsibilityforanyerrorsinthismanualortheconsequencesthereof.

EPSONisaregisteredtrademarkofSEIKOEPSONCORPORATION.

Notice: Otherproductnamesusedhereinareforidentificationpurposeonlyandmaybetrademarksorregisteredtrademarksoftheirrespectiveowners.

EPSONdisclaimsanyandallrightsinthosemarks.

Copyright?2018 SEIKOEPSONCORPORATION.

PCSQualityAssuranceDepartment

SafetyPrecautions

Allsafetyproceduresdescribedhereshallbestrictlyadheredtobyallpartiesservicingandmaintainingthisproduct.

DANGER

Strictlyobservethefollowingcautions.Failuretocomplycouldresultinseriousbodilyinjuryorlossoflife.

Alwaysdisconnecttheproductfromthepowersourceandperipheraldeviceswhenservicingtheproductorperformingmaintenance.

Whenperformingworksdescribedinthismanual,donotconnecttoapowersourceuntilinstructedtodoso.Connectingtoapowersourcecauseshighvoltageinthepowersupplyunitandsomeelectroniccomponentseveniftheproductpowerswitchisoff.Ifyouneedtoperformtheworkwiththepowercableconnectedtoapowersource,useextremecautiontoavoidelectricalshock.

WARNING

Strictlyobservethefollowingcautions.Failuretocomplymayleadtopersonalinjuryorlossoflife.

Whenusingcompressedairproducts;suchasairduster,forcleaningduringrepairandmaintenance,theuseofsuchproductscontainingflammablegasisprohibited.

PRECAUTIONS

Strictlyobservethefollowingcautions.Failuretocomplymayleadtopersonalinjuryordamageoftheproduct.

RepairsonEpsonproductshouldbeperformedonlybyanEpsoncertifiedrepairtechnician.

Noworkshouldbeperformedonthisproductbypersonsunfamiliarwithbasicsafetyknowledgerequiredforelectrician.

Thepowerratingofthisproductisindicatedontheserialnumber/ratingplate.Neverconnectthisproducttothepowersourcewhosevoltagesisdifferentfromtheratedvoltage.

ReplacemalfunctioningcomponentsonlywiththosecomponentsprovidedorapprovedbyEpson;

introductionofsecond-sourceICsorothernon-approvedcomponentsmaydamagetheproductandvoidanyapplicableEpsonwarranty.

ThecapacitorsontheMainBoardmaybeelectricallychargedrightafterthepowerturnsofforafterdrivingmotorswhichgeneratescounterelectromotiveforcesuchaswhenrotatingthePFRollerorwhenmovingtheCRUnit.ThereisarisktodamagetheMainBoardiftheFFCisshort-circuitedwiththecapacitorsontheMainBoardelectricallycharged,therefore,afterthepowerturnsofforaftermotorsaredriven,leavetheprinteruntouchedforapproximately30secondstodischargethecapacitorsbeforestartingdisassembly/reassembly.

Topreventthecircuitboardsfromshort-circuiting,becarefulaboutthefollowingwhenhandlingFFCorcables.

WhenhandlingFFC,takecarenottolettheterminalsectionofFFCtouchmetalparts.

Whenconnectingcables/FFCtotheconnectorsoncircuitboards,connectthemstraighttotheconnectorstoavoidslantinsertion.

Inordertoprotectsensitivemicroprocessorsandcircuitry,usestaticdischargeequipment,suchasanti-staticwriststraps,whenaccessinginternalcomponents.

Donottiltthisproductimmediatelyafterinitialinkcharge,especiallyafterperformingtheinkchargeseveraltimes.Doingsomaycauseinktoleakfromtheproductbecauseitmaytakesometimeforthewasteinkpadstocompletelyabsorbinkwastedduetotheinkcharge.

Nevertouchtheinkorwastedinkwithbarehands.Ifinkcomesintocontactwithyourskin,washitoffwithsoapandwaterimmediately.Ifyouhaveaskinirritation,consultadoctorimmediately.

Whendisassemblingorassemblingthisproduct,makesuretowearglovestoavoidinjuriesfrommetalpartswithsharpedges.

Useonlyrecommendedtoolsfordisassembling,assemblingoradjustingtheprinter.

Observethespecifiedtorquewhentighteningscrews.

Beextremelycarefulnottoscratchorcontaminatethefollowingparts.

Nozzleplateoftheprinthead

CRScale

PFScale

CoatedsurfaceofthePFRoller

Gears

Rollers

LCD

ScannerSensor

Exteriorparts

Neveruseoilorgreaseotherthanthosespecifiedinthismanual.Useofdifferenttypesofoilorgreasemaydamagethecomponentorgivebadinfluenceontheprinterfunction.

Applythespecifiedamountofgreasedescribedinthismanual.

Makethespecifiedadjustmentswhenyoudisassembletheprinter.

Whencleaningthisproduct,followtheproceduredescribedinthismanual.

Whentransportingthisproductafterfillingtheinkintheprinthead,packtheprinterwithoutremovingtheadaptersinordertopreventtheprintheadfromdryingout.

Makesuretoinstallantivirussoftwareinthecomputersusedfortheservicesupportactivities.

Keeptheviruspatternfileofantivirussoftwareup-to-date.

Whendisassembling/reassemblingthisproduct,ifyoufindadhesivepowerofthedouble-sidedtapewhichsecurethepartsorFFCisnotenough,replacethetapewithnewoneandattachitcorrectlytothespecifiedpointswherethepartsorFFCshouldbesecured.

Unlessotherwisespecifiedinthismanual,thelabelsattachedonthereturnedproductshouldbetransferredtothecorrespondingattachmentpositionsonthenewonereferringtothelabelsonthereturnedproduct.

AboutThisManual

Thismanual,consistsofthefollowingchapters,isintendedforrepairservicepersonnelandincludesinformationnecessaryforproperlyperformingmaintenanceandservicingtheproduct.

CHAPTER1.OPERATINGPRINCIPLES

Describestheelectricalandmechanicalbasicoperatingprinciplesoftheproduct.

CHAPTER2.TROUBLESHOOTING

Describesthestep-by-stepproceduresforthetroubleshooting.

CHAPTER3.DISASSEMBLY/ASSEMBLY

Describesthedisassembly/reassemblyproceduresformainparts/unitsoftheproduct,andprovidesthestandardoperationtimeforservicingtheproduct.

CHAPTER4.ADJUSTMENT

Describestherequiredadjustmentsforservicingtheproduct.

CHAPTER5.MAINTENANCE

Describesmaintenanceitemsandproceduresforservicingtheproduct.

CHAPTER6.APPENDIX

Providesthefollowingadditionalinformationforreference:

ConnectorDiagram

ProtectionforTransportation

SymbolsUsedinthisManual

Varioussymbolsareusedthroughoutthismanualeithertoprovideadditionalinformationonaspecifictopicortowarnofpossibledangerpresentduringaprocedureoranaction.Payattentiontoallsymbolswhentheyareused,andalwaysreadexplanationthoroughlyandfollowtheinstructions.

Indicatesanoperatingormaintenanceprocedure,practiceorconditionthat,ifnotstrictlyobserved,couldresultininjuryorlossoflife.

Indicatesanoperatingormaintenanceprocedure,practice,orconditionthat,ifnotstrictlyobserved,couldresultindamageto,ordestructionof,equipment.

Mayindicateanoperatingormaintenanceprocedure,practiceorconditionthatisnecessarytoaccomplishataskefficiently.Itmayalsoprovideadditionalinformationthatisrelatedtoaspecificsubject,orcommentontheresultsachievedthroughapreviousaction.

ForChapter3“Disassembly/Reassembly”,symbolsotherthanindicatedaboveareusedtoshowadditionalinformationfordisassembly/reassembly.Forthedetailsonthosesymbols,see

"3.3Disassembly/ReassemblyProcedures(p81)"

.

RevisionStatus

Revision

DateofIssue

Description

A

May23,2018

Firstrelease

B

October5,2018

RevisedContents

Allchapters

DescriptionsaboutET-4700/L5190SeriesandET-L1110/L1110Serieshavebeenadded.

Chapter1

CheckPoint

(p12)

hasbeenadded.

Madechangein

'1.1.5ListofMotorandSensor(p16)'

.

'ET-4700/L5190Series(p16)'

hasbeenadded.

'ET-L1110/L1110Series(p18)'

hasbeenadded.

Madechangein

'1.2Scanner/ADFOverview(ExceptforET-L1110/L1110Series)(p19)'

.

'ADFMechanism(ET-4700/L5190Seriesonly)(p19)'

hasbeenadded.

Chapter2

Madechangein

'2.1.1TroubleshootingWorkflow(p32)'

.

DescriptionsaboutET-4700/L5190SeriesandET-L1110/L1110Serieshavebeenadded.

'L3110Series,L3100Series,ET-L1110/L1110Series(p39)'

hasbeenaddedin

'2.1.1.4ErrorIndicatorsonthePrinter(p38)'

.

Madechangein

'2.3FatalErrorCodeList(p41)'

.

DescriptionsaboutET-4700/L5190SeriesandET-L1110/L1110Serieshavebeenadded.

'2.4ServiceSupportMode(ET-4700/L5190Seriesonly)(p58)'

hasbeenadded.

Chapter3

Madechangein

'3.1.3LocationsoftheParts/Units(p66)'

.

'ET-4700/L5190Series(p66)'

hasbeenadded.

'ET-L1110/L1110Series(p67)'

hasbeenadded.

Madechangein

'3.1.4StandardOperationTimeforServicingtheProduct(p68)'

.

'ET-4700/L5190Series(p68)'

hasbeenadded.

'ET-L1110/L1110Series(p72)'

hasbeenadded.

Madechangein

'3.2CommonCautionsonDisassembly/Reassembly(p79)'

.

FigureofET-4700/L5190Serieshasbeenaddedin

'MACAddressLabel(p80)'

.

Madechangein

'3.3.1Functionaldifferencesbetweenmodelsandcomponentparts(p81)'

.

DescriptionsaboutET-4700/L5190SeriesandET-L1110/L1110Serieshavebeenadded.

Madechangein

'3.3.2DisassemblyFlowchart(p82)'

.

FlowchartforET-4700/L5190SeriesandET-L1110/L1110Serieshasbeenadded.

Revision

DateofIssue

Description

B

October5,2018

Madechangein

'3.3.3RepairingMajorComponentsDisassembly/AssemblyProcedure(p92)'

.

Madechangein

'3.3.3.2ScannerUnit,ADF/SCNUnit,HousingUpperAssy(p93)'

.

Madechangein

'3.3.3.5CoverFrontAssy(p99)'

.

Madechangein

'3.3.3.9MainBoard(p105)'

.

Madechangein

'3.3.3.11PGURightAssy/PGUCenterAssy(p108)'

.

Madechangein

'3.4DetailedDisassembly/ReassemblyProcedureforeachPart/Unit(p114)'

.

Madechangein

'PSUnit(exceptforET-4700/L5190Series)(p114)'

.

'ADFUnit(ET-4700/L5190Series)(p115)'

hasbeenadded.

'PanelFFCCover(ET-4700/L5190Series)(p115)'

hasbeenadded.

Madechangein

'3.5RoutingFFCs/cables(p116)'

.

Madechangein

'PanelFFC(ET-2710/L3150Series/L3100Series/L3110Series)(p116)'

.

'PanelFFC(ET-4700/L5190Series)(p116)'

hasbeenadded.

'PanelFFC(ET-L1110/L1110Series)(p116)'

hasbeenadded.

Madechangein

'CRMotorAssy(ET-2710/L3150Series/L3100Series/L3110Series/ET-L1110/L1110Series)(p117)'

.

'CRMotor/RearPaperSensor(ET-4700/L5190Series)(p117)'

hasbeenadded.

'FaxUnit(ET-4700/L5190Seriesonly)(p117)'

hasbeenadded.

'ADFPESensorCable(ET-4700/L5190Series)(p117)'

hasbeenadded.

Chapter4

Madechangein

'4.1RequiredAdjustments(p119)'

.

Tablenotehasbeenadded.

Madechangein

'4.2.2AdjustmentandInspectionList(p121)'

.

Tablenotehasbeenadded.

Chapter5

Madechangein

'5.2Lubrication(p134)'

.

’Figure5-12LubricatingtheScannerUnit(3)(ET-4700/L5190Seriesonly)(p137)’

hasbeenadded.

’Figure5-13LubricatingADFUnit(ET-4700/L5190Seriesonly)(p138)’

hasbeenadded.

Chapter6

Madechangein

'6.1ConnectorDiagram(p140)'

.

'ET-4700/L5190Series(p140)'

hasbeenadded.

'L3110Series/L3100Series(p141)'

hasbeenadded.

Madechangein

'6.2HeadFuse(p142)'

.

DescriptionsaboutET-4700/L5190SeriesandET-L1110/L1110Serieshavebeenadded.

Madechangein

'6.3ProtectionforTransportation(p143)'

.

DescriptionsaboutET-4700/L5190SeriesandET-L1110/L1110Serieshavebeenadded.

'SecuringtheADF/SCNUnitAssy(ET-4700/L5190Seriesonly)(p143)'

hasbeenadded.

'SecuringthePanelUnit(ET-4700/L5190Seriesonly)(p144)'

hasbeenadded.

EPSONET-4700/L5190Series/ET-2710/L3150Series/L3100Series/L3110Series/ET-L1110/L1110Series

RevisionB

PAGE

9

Confidential

Contents

Chapter1OperatingPrinciples

PrinterMechanismOverview

12

PrintHead 12

Carriage(CR)Mechanism 13

PaperLoading/FeedMechanism 14

InkSystemMechanism 15

ListofMotorandSensor 16

Scanner/ADFOverview

(ExceptforET-L1110/L1110Series)

19

ScannerMechanism 19

ADFMechanism(ET-4700/L5190Seriesonly) 19

PaperLoading/FeedMechanism

21

Overview 21

PaperLoadingMethod 21

PaperFeedPath 21

OperatingPrinciples 22

DrivePath 22

InkSystemMechanism

25

Overview 25

MechanicalConfiguration 25

Cleaning 26

ControllingWasteInk 26

OperatingPrinciples 27

DrivePath 27

OperationofEachMechanism 28

Chapter2Troubleshooting

Troubleshooting

32

TroubleshootingWorkflow 32

WorkflowwhenthePowerisON(Printer) 33

WorkflowforScannerErrorswhenthePowerisON 36

WorkflowforErrorswhenPrintingStarts 37

ErrorIndicatorsonthePrinter 38

Power-OnSequence

40

FatalErrorCodeList

41

DisplayingtheFatalErrorCode 41

FatalErrorCode 41

ADF/Scanner 42

Printer(CR) 49

Printer(PF) 52

Printer(PESensor) 54

Printer(Power) 55

Printer(Head/CSIC) 55

Printer(Others) 57

SystemError 57

ServiceSupportMode(ET-4700/L5190Seriesonly)

58

LCDModel 58

StatusSheetInformation 60

Chapter3Disassembly/Assembly

Overview

65

Tools 65

Jigs 65

LocationsoftheParts/Units 66

StandardOperationTimeforServicingtheProduct 68

ChecksandPrecautionsbeforeDisassembling 74

FactorswhichAffectthePrintQuality 74

MinimizingInkLeakageduringDisassemblyforYourSafety 76

InkDischargingProcedure 78

CommonCautionsonDisassembly/Reassembly

79

Disassembly/ReassemblyProcedures

81

Functionaldifferencesbetweenmodelsandcomponentparts 81

DisassemblyFlowchart 82

Disassembly/ReassemblyFlowchart(ET-2710/L3150Series/L3110

Series/L3100Series) 83

EPSONET-4700/L5190Series/ET-2710/L3150Series/L3100Series/L3110Series/ET-L1110/L1110Series

RevisionB

Confidential

Disassembly/ReassemblyFlowchart(ET-4700/L5190Series/ET-L1110/

L1110Series) 87

RepairingMajorComponentsDisassembly/AssemblyProcedure 92

PorousPadAssy 92

ScannerUnit,ADF/SCNUnit,HousingUpperAssy 93

HousingRight 97

HousingLeft 98

CoverFrontAssy 99

PrintHead 100

KeySlotAssy 103

HousingFrontRight 104

MainBoard 105

TankSupplyInkAssy 106

PGURightAssy/PGUCenterAssy 108

PGULeftAssy 112

DetailedDisassembly/ReassemblyProcedureforeachPart/Unit

114

RoutingFFCs/cables

116

HeadFuse

142

ProtectionforTransportation

143

SecuringtheScannerCoverAssy(ET-2710/L3150Series/L3110Series/

L3100Seriesonly) 143

SecuringtheADF/SCNUnitAssy(ET-4700/L5190Seriesonly) 143

SecuringthePanelUnit(ET-4700/L5190Seriesonly) 144

SecuringtheCoverFrontAssy(ExceptforET-4700/L5190Series) 144

SecuringthePaperSupport 145

SecuringtheCoverASF(ET-2710/L3150Series/L3110Series/L3100Series

only) 145

SecuringtheCoverTank 146

SecuringtheStackerAssy 146

Chapter4Adjustment

RequiredAdjustments

119

AdjustmentProgram

121

OperatingEnvironment 121

AdjustmentandInspectionList 121

DetailsoftheAdjustmentProgram 125

MechanismAdjustment/Check

131

CheckingthePlatenGap 131

Confirmationprocedure 131

Chapter5Maintenance

Cleaning

133

CleaningthenozzleplatesectionofthePrintHead 133

CleaningtheExteriorParts/insideoftheprinter 134

Lubrication

134

LubricationPointsandInstructions 135

Chapter6Appendix

6.1ConnectorDiagram

140

10

Confidential

CHAPTER

1

OPERATINGPRINCIPLES

EPSONET-4700/L5190Series/ET-2710/L3150Series/L3100Series/L3110Series/ET-L1110/L1110Series

RevisionB

OperatingPrinciples

PrinterMechanismOverview

PAGE

12

Confidential

PrinterMechanismOverview

Thischapterdescribesoverviewofeachmechanisminsidetheprinter.

Sincethebasicmechanismsoftheproductarethesame,inthischapter,illustrationofET-2710/L3150Seriesisusedunlessotherwisespecified.

PrintHead

F2headisusedforET-4700/L5190Series/ET-2710/L3150Series/L3110Series/L3100Series/ET-L1110/L1110Series.

Table1-1.NozzleConfiguration

Color

Fourcolors:black(Bk),cyan(C),magenta(M),yellow(Y)

Numberofnozzles

357nozzles:

180nozzlesforBk,59nozzlesforeachY,M,andC.

Nozzlepitch

180dpi

5.9266mm

Carriagemovementdirection

used

used

used

42/180inch

A#180 B#180

A#179 B#179

A#178 B#178

Cyan

B#123B#122B#121

Not

Black

B#63B#62B#61

Magenta

NotYellow

0.071mm

1/360inch

A#3A#2

A#1

ColumnA

B#3B#2

B#1

ColumnB

Not

Nozzleplate

Paperfeeddirection

Column

Color

A

Bk

B#1-#60

Y

B#62-#120

M

B#122-#180

C

Nozzleplate

CoverHead

Figure1-2.Nozzlelayout(seenfromtherearside)

Figure1-1.F2PrintHeadappearance

Carriage(CR)Mechanism

CRTimingBelt

CRUnit

CRScale

MainFrame

CREncoderSensor

MainFrame

CRMotor(BacksideoftheMainFrame)

CRUnit

Sectionview

Themajorcomponentsofthecarriage(CR)mechanismaretheCRUnit,CREncoderSensor,CRScale,CRMotor,andCRTimingBelt.TheCRmechanismisakeymechanismtoensurestableprintqualitybecauseprintingisperformedbymovingtheCRUnitfromsidetoside.

Asshownontheright,MainFrameisholdingtheuppersideandthelowersideoftheCRUnit.TheCRUnitisattachedtotheCRTimingBeltthatismovedbytheCRMotorsothattheassycanmovefromsidetosidetoprint.ThepositionandspeedoftheCRUnitarealwaysmonitoredbytheCREncoderSensorandtheCRScale,andtheCRMotoriscontrolledinaccordancewiththeinformationacquiredbytheCREncoderSensor.

Figure1-3.Carriage(CR)mechanism

PaperLoading/FeedMechanism

ThisprinteremploysarearfeedingmechanismandpaperisloadedbythedriveforceofthePFMotor.

PaperisfedinsidetheprinterfromtheASFRearbytheShaftLDAssy.

Hopper

Cam

Clutch

ChangeLever

PFMotor

ShaftLDAssy

EJRoller

PFRollerAssy

PaperBackLever

TheASFRearisequippedwithaHopper,PaperBackLever,ChangeLever,ShaftLDAssy,andclutch.TheChangeLeverandtheclutchworkfortransmittingadrivingforcefromthePFMotortotheShaftLDAssyandfornottransmittingit.

TheHopperandthePaperBackLeverdrivenbythecamontheLDRollerShaftpreventmulti-feedandensureaccuratepaperfeeding.

PaperfedbytheASFRearisconveyedbythePFRollerAssyandtheEJRollerwhichareincludedinthepaperfeedingmechanism.

Figure1-4.Paperloading/feedmechanism(2)

InkSystemMechanism

PorousPadAssy

Inksystemmechanism

Themajorcomponentsoftheinksystemmechanism*1areacap,pumpunit,andwasteinktube.

Theinksystemmechanismemploystheslidetypecapping.WhentheCRUnitreturnstoitscappingposition(homeposition),thePrintHeadiscapped.Thepumpmechanism,wipermechanism,andtheCRLockmechanismaredrivenbythePFMotortocleanthePrintHead.

WasteinksuckedwhencleaningthePrintHeadiscollectedinthePorousPadAssythroughthepumpmechanism.

Thisprinteremploysaporouspadwhichcannotbereplacedbycustomers.TheamountofwasteinkismonitoredintheEEPROMintheMainBoard.

Figure1-5.Inksystemmechanism

*1.See

"1.4InkSystemMechanism"(p25)

formoredetails.

ListofMotorandSensor

5

A

C

2

3

6

1

4

B

MainBoard

Thissectiondescribesthetypesandpositionsofthemotorsandsensors.

ET-4700/L5190Series

Table1-2.MotorandSensorList

Mechanismname

Motor/sensorname

Motor/sensortype

No.

Carriagemechanism

CRMotorAssy

DCMotor

A

CREncoder

Transmission-typephotointerrupter

1

Paperloading/feedmechanism

PFMotorAssy

DCMotor

B

ASFRearPaperExistenceSensor

Transmission-typephotointerrupter

2

PESensor*

Transmission-typephotointerrupter

3

PFEncoder

Transmission-typephotointerrupter

4

ADF/Scanner

ScannerMotor

DCMotor

C

ScannerMotorEncoder

Transmission-typephotointerrupter

5

ADFPESensor

Transmission-typephotointerrupter

6

Note"*":ThePESensorisequippedontheMainBoard.

Figure1-6.Listofmotorandsensor(ET-4700/L5190Series)

ET-2710/L3150Series,L3110Series,L3100Series

A

C

1

2

3

B

MainBoard

Table1-3.MotorandSensorList

Mechanismname

Motor/sensorname

Motor/sensortype

No.

Carriagemechanism

CRMotorAssy

DCMotor

A

CREncoder

Transmission-typephotointerrupter

1

Paperloading/feedmechanism

PFMotorAssy

DCMotor

B

PESensor*

Transmission-typephotointerrupter

2

PFEncoder

Transmission-typephotointerrupter

3

Scanner

ScannerMotor

SteppingMotor

C

Note"*":ThePESensorisequippedontheMainBoard.

Figure1-7.Listofmotorandsensor

(ET-2710/L3150Series,L3110Series,L3100Series)

ET-L1110/L1110Series

A

2

1

3

B

MainBoard

Table1-4.MotorandSensorList

Mechanismname

Motor/sensorname

Motor/sensortype

No.

Carriagemechanism

CRMotorAssy

DCMotor

A

CREncoder

Transmission-typephotointerrupter

1

Paperloading/feedmechanism

PFMotorAssy

DCMotor

B

PESensor*

Transmission-typephotointerrupter

2

PFEncoder

Transmission-typephotointerrupter

3

Note"*":ThePESensorisequippedontheMainBoard.

Figure1-8.Listofmotorandsensor(ET-L1110/L1110Series)

EPSONET-4700/L5190Series/ET-2710/L3150Series/L3100Series/L3110Series/ET-L1110/L1110Series

RevisionB

OperatingPrinciples

Scanner/ADFOverview(ExceptforET-L1110/L1110Series)

PAGE

19

Confidential

Scanner/ADFOverview

(ExceptforET-L1110/L1110Series)

ScannerMechanism

ThescannermechanismconsistsofaCISsensorthatscansdocumentsandtheScannermotorthatdrivesthescannercarriage.TheCISsensorandtheScannermotorareintegratedasthescannercarriage,anditmovesalongtherailonthescannerhousingtoscandocuments.

CISSensor

ScannerMotor

ScannerUnit

Figure1-9.Scannermechanism

ADFMechanism(ET-4700/L5190Seriesonly)

ThePFRoller,EJRoller,andPickupRolleroftheADFmechanismaredrivenbytheScannerMotor.Thedriveforceofthemotoristransmittedthroughthetransmissiongear.TheADFmechanismdoesnotsupportautoduplexscanning.

EJRoller

ADFUnit

ADFPESensor

PickupRoller

ADFDocumentLever

PFRoller

EJRoller

PickupRoller

SCNMotor

Transmissiongear

Figure1-10.ADFmechanism

PickupRoller

Separationroller

ADFDocumentLever

EJRoller

PFRoller

LeverofADFPESensor

CISSensor

Whenscanningdocument,thedocumentisfedinsidetheADFasshownbelow.

Figure1-11.DocumentFeedPath

PresenceorabsenceofdocumentontheADFisdetectedbytheADFDocumentLeverandthescannerCISSensor.Thelevermovesupordowndependingonthepresenceorabsenceofdocument,andtheendoftheleverisscannedbytheCISSensor.Accordingtothescanresult,theprinterdetermineswhetherdocumentispresentornot.

Additionally,thereisaSubDocumentLeverbesidetheADFDocumentLever.IftheCISSensorcannotscantheendoftheSubDocumentLever,theprinterdeterminesthatthescanner(SCN)unitisopenortheCISSensorismalfunctioning.

NodocumentonADF

DocumentispresentonADF

ADFtop

ADFdocumentlever

ADFinside

ADFdocumentlever

Subdocumentlever

ADFbottom

Subdocumentlever ADFdocumentlever

Figure1-12.ADFdocumentlever

EPSONET-4700/L5190Series/ET-2710/L3150Series/L3100Series/L3110Series/ET-L1110/L1110Series

RevisionB

OperatingPrinciples

PaperLoading/FeedMechanism

PAGE

21

Confidential

PaperLoading/FeedMechanism

Overview

PaperLoadingMethod

ThepaperloadingmechanismfromtheRearASFandthepaperfeedmechanismarebothdrivenbythePFmotor.

Table1-5.PaperLoadingMethodandDriveForce

PaperFeedPath

PaperputontheHopperisfedbytheShaftLDAssyandarrivesatthePESensorposition.

Driveforce(motor)

Motorcontrol

Paperloadingoperation

PFMotor

PFencoder/PFscale

DrivetheShaftLDAssyandloadpaperfromtheASFRear.

DrivetheHopper/PaperBackLevertopreventmulti-feed.

DrivethePFRoller/EJRollertoconveythepaper.

Next,skewiscorrected,andprintingonthepaperisperformedwhilethepaperisbeingfedbythePFrollerandEJRoller/HolderStarwheelAssy,thenthepaperisejectedtotheStackerAssy.

PFRoller

StackerAssy

PESensor

EJRoller

HolderStarwheelAssy

Hopper

ShaftLDAssy

Figure1-14.Paperfeedpathofrearpaperloading

ShaftLDAssy

Clutch

Hopper

ChangeLever

PFRoller

EJRoller

PFEncoder

StackerAssy

Figure1-13.Paperloading/feedmechanism

ASFRearsystem

PFEncoder

CombinationGear

EJRollergear

PFMotorAssy

EJRoller

PFRollerAssy

EJRoller

PFMotorAssy

PFRollerAssy

Hopper

OperatingPrinciples

DrivePath

ThedrivingforceofthePFMotoristransmittedtothePFRollerandtheEJRollerthroughthecompoundgearandthespurgear,andthentransmittedfromthePFRollertothepaperfeedmechanism.ThedrivingforceofthePFmotorisalsotransmittedtotheRearASFMechanism.

(p23)

DRIVEPATHFROMPFMOTORTOPFROLLER/EJROLLER

PFMotorAssy

PFRollerAssy

CombinationGear

EJRollerGear/EJRoller

Figure1-15.DrivepathfromPFMotortoPFRoller/EJRoller(1)

Figure1-16.DrivepathfromPFMotortoPFRoller/EJRoller(2)

EPSONET-4700/L5190Series/ET-2710/L3150Series/L3100Series/L3110Series/ET-L1110/L1110Series

RevisionB

OperatingPrinciples

PaperLoading/FeedMechanism

PAGE

23

Confidential

gear28.8,18

Compound

ShaftLDAssy

Compoundgear36.8,15.6

CamA

CamB

gear28.8,18

Compound

gear36.8,15.6

Compound

PFRollerAssy

ChangeLever

PaperBackLever

PFMotor

CRUnit

Clutch

Hopper

PFRoller

Pawlofclutch

ChangeLever

Clutch

DRIVEPATHFROMPFROLLERTOLDROLLER(ASFREARSYSTEM)

ThedriveforceofthePFMotoristransmittedtotheLDRollerthroughthePFRoller,ChangeLever(Compoundgear28.8,18)andtheclutch.TheHopperandthePaperBackLeverisdrivenbythecamlinkedtotheLDRoller.

SincethePFMotoralsodrivesthepaperfeedmech