Designation:F221–98(Reapproved2003)StandardTerminologyRelatingtoCarbonPaperandInkedRibbonProductsandImagesMadeTherefrom1ThisstandardisissuedunderthefixeddesignationF221;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thissetofdefinitionsisintendedforusebyusersofcarbonpaper,inkedribbonsandimagesmadetherefrom,sothattheywillbeabletobetterunderstandtheterminologyusedbyothersinthefield.2.Terminologyacceptancerange—arelativerangeofvariationinimpactpressureandreleasecharacteristicoverwhichtheimageacceptormediawillreceiveanimageofspecifiedquality.accuracy(asdistinguishedfromprecision)—thedegreeofconformityofameasuredorcalculatedvaluetosomerecognizedstandardorspecifiedvalue.Thisconceptin-volvesthesystematicerrorofanoperation,whichisseldomnegligible.(E380)angleofinclination—anangleatwhichthetestsheetandsupportingbaseareinclinedfromthehorizontal.(F254)archivalquality—theabilityofaprinttoretainspecifiedcharacteristicsandlegibilityoveraperiodofuseandstorageunderspecifiedconditions.background—thereflectanceofthereceptorvirginsurface.bleedofimage—spreadordiffusionofanimagewithtime.bleedingofcoating—thediffusionofcoloringmatterthroughasubstratefromthecoating,ortocopypaperfromthecoating.blocking—thetendencyforcoatedsheetstosticktogetherunderpressure.(F335)burn-offpapers—materialssensitivetoandthatwillproduceanimagebyelectriccurrent.carbonorcarbonsheet—seecarbonpaper.carbonpaper—asheetcomposedofasupportingsubstrateononeorbothsidesofwhichisacoatingcontainingatransferable(usuallycolored)material.Thecoatingisofsuchnaturethatitwilltransferinpartorentirelytoacopysheetatthepointofpressurecontact.(F129)carbontissue—asubstratemanufacturedforuseinthepro-ductionofcarbonpaper.cartridge—acasecontaininganinkedribboncorrectionrib-bon,ordryinktonerforinsertionintoanim...
