Designation:F2734−08StandardPracticeforTestingtheShelfLifeofInkJetPrinterCartridges1ThisstandardisissuedunderthefixeddesignationF2734;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribesapracticalproceduretohelpdeterminetheshelflifeconfidenceofasampleinkjetcartridgeinashortperiodoftime.ThispracticeusesanacceleratedagingtestbasedontheArrheniusprinciplewhichstatesthatforevery10°Cincreaseintemperaturethereis,approximately,atwotimesrateincreaseofachemicalreaction.1.2Thispracticeconsistsofcomparingtheabilityofaninkjetcartridgetoprintafterexposuretoelevatedtemperatureascomparedtoareferenceinkjetcartridge,suchasanOEM(originalequipmentmanufacturer)inkjetcartridge.1.3Thispracticecanbeusedtoevaluatetheeffectivenessoftheoverallproductionofremanufacturedorrefilledinkjetcartridges.1.4Toconfirmtheresultsofacceleratedaging,real-timeagingshouldalsobeconducted.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2F909TerminologyRelatingtoPrintersF1174PracticeforUsingaPersonalComputerPrinterasaTestInstrumentF1857TerminologyRelatingtoInkJetPrintersandImagesMadeTherefromF1942PracticeforCreatingTestTargetsforDeterminingtheInkYieldoftheImagingSuppliesUsedinInkJetPrintersF2555PracticeforDeterminingPageYieldofInkJetPrinterCartridges—ContinuousPrintingMethod3.Terminology3.1Definitions—SeeTerminologyF909andF1857.4.SummaryofPractice4.1Thispracticedescribesamethodtocomparetheshelflifeofasampleinkjetinkcartridgeascomparedtoareferenceinkjetinkcartridgebyexposingeachcartridgetoelevatedtempe...