EPSONSCANNINGTIPSANDTROUBLESHOOTINGGUIDE EpsonPerfection3170Scanner SELECTASUITABLERESOLUTION Thebestscanningresolutiondependsonthepurposeofthescan. Whenyouspecifyahighresolution,thenumberofpixelsincreasesandthescannedimageesfinerintexture.However,increasingtheresolutioncausesthefilesizetoincrease.Forexample,an8.5x11-inchoriginalscannedat300dpicanproducea24MBfile.Thesameoriginalscannedat72dpicreatesonlya1.3MBfile.Largefilestakelongertoprocessandprint,soselectthelowestpossibleresolutionthatproduceseptablequality. Specifyasuitableresolutionordingtoyourscanningpurpose.mendedresolutionsforscanningprintmaterial: PURPOSEWebpagesSendingE-mailPrintingSavingasaPDFfileSendingFaxOCR(OpticalCharacterRecognition) RESOLUTION96dpi96to150dpi300dpi300dpi200dpi300dpi UseTargetSizetospecifytheoutputsizeofthescannedimage. Ifyouareenlargingyourimage,youmustincreasetheresolution(dpi)proportionallytomaintaintheresolutionofyouroriginal.Tryscanningslidesat1200dpiorhigher. Ifyoureducethesizeoftheimageonapage,itdoesnotdecreaseitsfilesize. SCANSETTINGS Forphotos: Forfilm: Forslides:SpecifyAdjustmentsettings,ifnecessary,suchasdustremovalforslidesandfilm. PLACINGFILMORSLIDESONSCANNER Youcanscan35mmslides,35mmfilmornegativestrips,andMediumFormattransparenciesontheEpson3170usingtheappropriatefilmholdersewiththescanner.
1.Thefirststepisalwaystoopenthedocumentcoverandslideupthereflectivedocumentmatgentlytoremoveit. Pleaseremembertoreplacethereflectivedocumentmatwhenyouarefinished.
2. Second,loadthetransparencyintothefilmholderandposition itonthedocumenttable. Nowgotothesectionlistedbelowthatmatchesthetypeoftransparencyyouwanttoscan. SCAN35MMSLIDES
1.Placethefilmholderonthedocumenttablesothatthetrianglemarkonitstabisalignedwiththetriangleonthedocumenttable.Theprojectiononthetabthengoesintotheholeonthedocumenttable.
2.Placeslidesintheholder,basesidefacingdownasshownbelow. NOTE:Thebasesideofthefilmisthesidewherethefilmmaker'snameandfilmIDnumberscanbereadcorrectly.Also,whenyoulookatanimageonthefilmfromthebaseside,theimageshouldappearnormal,notreversed. NOTES:•Makesurethedocumentcoverpletelyclosed;otherwiseyoucannotobtain propercoloredimages.•Anewtonring(ring-shapedstripepattern)mayappearinthescannedimage.To removethenewtonring,placethefilmwiththebasesidefacingupandpreviewusingtheThumbnailPreview;thenreversethepreviewedimagebyusingtheMirroringbutton. SCAN35MMNEGATIVESANDFILMSTRIPS
1. Slidetheedgeofthestripintothe35mmfilm holder,basesidefacingdown.Thenplaceitso thattheentireframeispositionedinsidethefilm holder.
2.Placethefilmholderonthedocumenttablesothatthetrianglemarkonitstabisalignedwiththetriangleonthedocumenttable.Theprojectiononthetabthengoesintotheholeonthedocumenttable. SCANMEDIUMFORMATFILM
1.Withthebasesidefacingdown,placethefilmonthe120/220(6x12cm)sizefilmholderwiththeentireframepositionedinsidethefilmholderopening.
2. Setthecoveronthefilmandpressuntilyou hearaclick. Pressaroundtheentireperimeterofthecovertomakesureitissecured.
3.Placethefilmholderonthedocumenttablesothatthetrianglemarkonitstabisalignedwiththetriangleonthedocumenttable.Theprojectiononthetabthengoesintotheholeonthedocumenttable. STORINGTHEFILMHOLDERS Whenyou'renotusingthefilmholders,youcanstoreuptotwoholdersinsidethedocumentcover.1.Openthedocumentcoverandremovethereflective documentmat.
2.Slidethefilmholderintothedocumentcover.
3.Insertthereflectivedocumentmatinandbottomfittingsofthedocumentcover.Seeformoreinformation. SCANNINGPROBLEMS TheedgesofadocumentarenotscannedPlacedocumentsawayfromtheedgesofthedocumenttabletoavoidunwantedimagecropping.Theareawithawidthofmaximum.08inch(2.1mm)fromthehorizontalguideand.06inch(1.5mm)fromtheverticalguidecannotbescanned. YoucannotscanadocumentoryouonlygetafewdotsforthescannedimageTryoneormoreofthefollowingsolutions. •Makesurethedocumentisplacedonthedocumenttableofthescanner,withthesidetobescannedfacingdown. •WhenscanningwiththeBlack&WhitesettinginHomeModeorProfessionalMode,changetheThresholdsetting. AlineofdotsisalwaysmissingfromthescannedimageIfalineismissingonbothyourscreenimageandprintout,thisindicatesthescannersensorismalfunctioning.Contactyourdealer.AlineofdotsalwaysappearsinthescannedimageIfthishappensonbothyourscreenimageandprintout,thedocumenttablemaybedustyorscratched.Cleanthedocumenttable.Ifyoustillhavetheproblem,contactyourdealer. StraightlinesintheeoutjaggedMakesurethedocumentisperfectlystraightonthedocumenttable.Aligntheverticalandhorizontallineswiththescalesatandsideofthedocumenttable. TheimageisdistortedorblurredTryoneormoreofthefollowingsolutions. •Makesurethedocumentisflatagainstthedocumenttable.•Makesureyoudonotidentallymovethedocumentwhilescanning.•Makesurethescannerisonaflat,stablesurface. •ChangetheDisplayGammasettingofthescannedimageforyouroutputdevice,suchasamonitororprinter,intheConfigurationdialogboxinEPSONScan. •SelectUnsharpMaskFilterintheProfessionalModemainwindow.Ifmoirépatternsappearintheimage,seeMoiré(cross-hatch)patternsappearinthescannedimagebelowformoreinformation. •SelectColorControlandcheckContinuousautoexposureintheConfigurationdialog box,oradjusttheExposuresettingusingtheModemainwindow. AutoExposurebuttonintheProfessional •ChangetheResolutionsettingforyourdocument. •Ifthishappensonpartoftheimage,makesurethedocumentisuniformlyflatagainstthedocumenttable.Adocumentthatiswrinkledorwarpedmaynotscanwell. Caution:Donotplaceheavyobjectsonthedocumenttable. Colorsarepatchyordistortedattheedgesoftheimage Tryoneormoreofthefollowingsolutions. •Adocumentthatisverythickorwarpedattheedgescancausediscoloration.Covertheedgesofthedocumentwithpapertoblockexternallight. •Makesurethedocumentisflatagainstthedocumenttable. •Adjustyoursoftware'sGammasettingusingtheHistogramAdjustmentdialogboxinProfessionalModeinEPSONScan. Theimageisdark Tryoneormoreofthefollowingsolutions. •Checkyoursoftware'sBrightnesssettingusingtheImageAdjustmentdialogboxinHomeMode,ortheHistogramAdjustmentdialogboxandtheImageAdjustmentdialogboxinProfessionalMode. •Checkthebrightnessandcontrastsettingsofputerdisplay. •SelectColorControlandalsoselectContinuousautoexposureintheConfiguration dialogbox,oradjusttheExposuresettingusingtheProfessionalModemainwindow. AutoExposurebuttoninthe •ChangetheDisplayGammasettingofthescannedimageforyouroutputdevice,suchasmonitororprinter,intheConfigurationdialogboxinEPSONScan. •ChangetheDestinationsettingintheHomeModeorProfessionalModemainwindow. •InHomeMode,selectScreen/WebastheDestinationsetting.Selectingaprintermaycauseon-screencolorstobedifferentfromthecolorsoftheoriginal;however,thecolorswillbereproducedcorrectlywhentheimageisprinted. Moiré(cross-hatch)patternsappearinthescannedimage Amoiréisacross-hatchpatternthatappearsonscannedimageswhenyouscanprintedmaterials.Itisaresultofinterferencethatursduetothedifferencebetweenthepitchesofthescanningandthehalftonescreens. Tryoneormoreofthefollowingsolutions. •SelecttheDescreeningFiltercheckboxintheHomeModeortheProfessionalModemainwindow. •InProfessionalMode,settheScreenRulingoftheDescreeningFiltertoanappropriatesettingforyourdocument. •ClearUnsharpMaskFilterintheProfessionalModemainwindow. •Placeatransparentsheet,suchasanoverheadprojectorsheet,betweenthedocumentandthedocumenttable. •Repositionthedocumentslightly. •Maketheimagesizeslightlysmaller. Theimageislargerorsmallerthantheoriginal Tryoneormoreofthefollowingsolutions. •Theimagesizeandresolutionsettingsofyoursoftwaredeterminethesizeoftheprintedimage.Donotusethesizeofthemonitorimagetojudgetheprintedsize. •ChangetheTargetSizeintheHomeModeorProfessionalModemainwindow. Scannedimagescannotbeprintedeoutgarbledwhenprinted Tryoneormoreofthefollowingsolutions. •Makesureyourprinterisproperlyconnectedtoputer,correctlysetup,andmaintained.Seeyourprintermanualfordetails. •Checkthatyoursoftwareisproperlyinstalledandsetupforyourprinter.Seeyoursoftwaremanual. Colorsdifferfromtheoriginal Tryoneormoreofthefollowingsolutions: •ChangetheImageTypesetting. •Changetheimagesettingsofyourscannersoftware,especiallythedataformat(bits,pixel,color),gammacorrection,andcolorcorrection.Trybinationsofthesesettings. •ChangetheDisplayGammasettingofthescannedimageforyouroutputdevice,suchasmonitororprinter,intheConfigurationdialogboxinEPSONScan. •SelectColorControlandselectContinuousautoexposureintheConfigurationdialog box.Or,adjusttheExposuresettingbyusingtheProfessionalModemainwindow. AutoExposurebuttoninthe •Checkthecolormatchingandcolormanagementcapabilitiesofputer,displayadapter,andsoftware.puterscanchangethecolorpalettetoadjustthecolorsonyourscreen.Seeyoursoftwareandhardwaremanualsfordetails. •Usethecolormanagementsystemforputer:ICMforWindows,orColorSyncforMacintosh.ForWindows,addacolorprofilethatmatchesyourmonitor. •Exactcolormatchingisverydifficult.Checkyoursoftwareandmonitordocumentationforinformationoncolormatchingandcalibration. •Printedcolorsdonotexactlymatchthecolorsonyourmonitor,sinceprintersandmonitorsusedifferentcolorsystems:monitorsuseRGB(red,green,andblue),whileprinterstypicallyuseCMYK(cyan,magenta,yellow,andblack). ImagescannotbelocatedproperlyintheThumbnailpreview Tryoneormoreofthefollowingsolutions. •InthePreviewwindow,createmarqueesontheareayouwanttoscan,andthenscan. •IntheConfigurationdialogbox,adjustthethumbnailcroppingareausingtheThumbnailCroppingAreaslider. PoorcharacterrecognitionduringOCRscanning Tryoneormoreofthefollowingsolutions. •Makesurethedocumentisperfectlyalignedalongthedocumenttable.Aligntheverticalandhorizontallineswiththescalesatandsideofthedocumenttable. •SelectBlack&WhiteastheImageTypesetting.InProfessionalMode,selectNonefortheB&WOptionsetting.ThentryadjustingtheThresholdsetting. FILMSCANNINGPROBLEMS YoucannotscantransparentmaterialsTryoneormoreofthefollowingsolutions: •Makesurethereflectivedocumentmatisremovedwhenyouscantransparentmaterials. •Makesuretheoptionconnectorisconnectedtothescanner. •MakesureDocumentTypeissettotheappropriatesettingforyourfilmtypeinHomeModeorProfessionalMode. •Makesurethefilmissetcorrectlyinthefilmholder,andthatthefilmholderisproperlypositionedonthedocumenttable. YoucannotscanfilmintheFullAutomodeorfromtheThumbnailPreviewWhenscanningfilm,EPSONScanmaybeunabletodetecttheimages,ormaycroporgrouptheimagesinanundesirableway,suchasthefollowingexample. •Imageswithadarkbackgroundmaybecroppedirregularly.•Imageswithaverybrightbackgroundmaybecroppedirregularly.•Colornegativefilmswhosebasecolor(background)isextremelylightordarkcannotbe croppedregularly.•Asmallareaaroundtheedgesofeachimageiscropped.•Whenscanningfilmwithbothpanoramaandregularsizeimages,panoramaimagesmay becroppedirregularly.•Filmslargerthan35mm(suchasMediumFormator4x5sizefilms)cannotbescanned.Tryoneormoreofthefollowingsolutions:•Makesurethefilmisplacedcorrectlyinthefilmholderandthefilmholderisproperly positionedonthedocumenttable.•SwitchtoHomeModeorProfessionalMode,andpreviewwiththeNormalPreview.Inthe Previewwindow,createmarqueesontheareayouwanttoscan,andthenscan.ThecolorsofnegativefilmpreviewimageslookstrangeTryoneormoreofthesesolutionsintheEPSONScanSettings: •MakesureDocumentTypeissettotheappropriatesettingforyourfilmtype.•WhenpreviewingimageswiththeNormalPreview,thedarkareaaroundthefilm,suchas theframeofthefilmholder,isperceivedaswhite,whichalterstheexposureofthescanningareaandcausesscanstoappeardarker.Seethecorrectcolorbyclickinganddraggingthemousepointeroveranarea,andthenclickingtheZoomPreviewbutton.•PreviewimageswiththeThumbnailPreview.Aring-shapedstripepatternappearsinthescannedimageAring-shapedstripepattern(knownasaNewtonring)mayappearwhenyouscantransparentmaterials.Itmayurwhenthefilmiscurled.SetthefilmwiththebasesidefacingupandpreviewusingtheThumbnailPreview;thenreversethepreviewedimagebyusingtheMirroringbutton. Formoreinformationsee ScrippsInformationTechnologySeptember2005