Designation:F807–83(Reapproved2003)StandardPracticeforDeterminingResolutionCapabilityofOfficeCopiers1ThisstandardisissuedunderthefixeddesignationF807;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversthedescriptionandmethodofuseforaresolutiontesttargetforofficecopierevaluation.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F335TerminologyRelatingtoElectrostaticCopyingF360PracticeforImageEvaluationofElectrostaticBusi-nessCopies2.2AmericanNationalStandard:PH2.33MethodforDeterminingtheResolvingPowerofPhotographicMaterials33.SummaryofPractice3.1Thestandardtesttargetisdescribedforevaluationofresolution.Resolutionisstatedinlinepairspermillimetre.Themethodofevaluationusingthistargetisgiven.4.SignificanceandUse4.1Theresolutionofacopyingprocessisaffectedbymanyfactorsincludingthecopier,supplies,andenvironmentalcon-ditions.Theresolutionisparticularlysignificantrelativetosharpness,edgedefinition,andtheabilitytovisuallydistin-guishtheseparationoffinelines.4.2Thestandardtesttargetforimageresolutionmaybeusedinevaluationofthefactorsmentionedin4.1.5.Apparatus5.1Magnifier,103.6.Materials6.1Atesttarget4fortheevaluationofimageresolution.7.Precautions7.1Thistesttargetcanbeusedtomeasureimageresolutionfordifferentcopierconditions(machineadjustments,machineconfigurations,supplies,environment,etc.).Carefulnotationshouldbemadesothatcomparisontestscanbemade.7.2Thecopycontrastmayaffecttheresolutionmeasure-ments.Ifexposurecontrolisavailable,itshouldbeoptimized.GuidelinesaregiveninANSIPH2.33.7.3Thesurfacequalityofthecopypapermayaffe...
