Designation:F1423−09StandardPracticeforDeterminationoftheQualityofMonochromeImagesProducedfromNon-ImpactPersonalComputerPrinters1ThisstandardisissuedunderthefixeddesignationF1423;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticeutilizesastandardtesttargetthatisintendedforuseasameansofcomparingthegraphicandtextoutputqualityfromnon-impactpersonalcomputerprinters.Theoutputmaybefrominkjet,thermaltransfer,orelectro-staticimagingdevices.1.2Thistargetcanbeusedbytheend-userasameansofdeterminingthesuitabilityofanon-impactprinterforusewithcommerciallyavailablesoftwareandapredeterminedapplica-tion.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F909TerminologyRelatingtoPrintersF1125TerminologyofImageQualityinImpactPrintingSystemsF1174PracticeforUsingaPersonalComputerPrinterasaTestInstrument2.2ASTMAdjunct:ImageQualityTestTargetforNon-ImpactPCPrintingSystems33.Terminology3.1Definitions:3.1.1hairline—thethinnestlineaparticularprinterwillprint.3.1.2jitter—deviationinaprintedtestpatternthatiscausedby:erraticrotationofthephotoreceptororerraticpaperfeeding(noticeableintheverticalplane);orerraticscanningoralignment,orboth,oftheimagingdevice(noticeableinthehorizontalplane).Theimagingdevicecanbeeitheralaserdiode,ink-jetnozzle(s),orathermalprinthead.3.1.3point—atypographicaltermdescribingtheheightofacharacterfromtoptobottom.Onepointequalsapproximately1⁄72in.3.1.4stairstepping—thetendencyofaprintertoproduceangularorcircularlines,orboth,inaseriesofdotsthat,whenexaminedclosely,resemblestairsteps.Ideallyaprintershouldproduceangu...
