DataCard SD Series Specifications download pdf (Page 29)

SD/CD Installation and Administrator’s Guide 21

Test Bar Codes

Alwaystestthereadabilityofbarcodesunderproductionconditions.Factorsto

considerinclude:

• Ifyouprintcardsoneatatime,printthesamplesusingthatmethod.Ifyou

printcardsinbatch(manycardssenttotheprinteratthesametime),usea

production‐sizedbatchandevaluatecardsfromthebeginning,middle,and

endofthebatch.

• Useexactlythesamecardstockfortestingthatyouuseforproduction.The

cardstockcanaffectthereadabilityofbarcodes.Usually,awhitesurfacethat

reflectslightinmanydirectionsisneeded.Testcardsbeforepurchasing

productionquantities.

• Includeothercarddesigncomponentsthatyouuseinproduction,suchas

topcoat.

• Usethesamebarcodereadersasusershave,andtesteachcardmultiple

timestosimulateanywearthecardmightexperience.Alsotestmultiple

cards.

Card Design Changes That Affect Bar Codes

Ifyoumakesubstantialchangestothewayyouproducecar ds,reviewsetuptasks

tomakesurethatcardscontinuetohavethequalityyourequire.

Substantialchangesthatcanaffectbarcodesinclude:

• Changingfrombatchprocessingtoissuingsinglecards(orchangingfrom

issuingsinglecardstobatchprocessing).CheckfordifferencesinKprinting

andfull‐colorprinting.

• Purchasinganewbrandofunprintedcards,whichcanchangethecolorof

someimages.

• Changingtoorfrompreprintedcards,whichcanchangethecolorofsome

images.

• Movingthecardprintertoanewlocation,whereenvironmentalchangessuch

asamountoflightorrelativehumiditycanaffectimages,supplies,orprinter

operation.

Ifyouchangethedesignofyourcards,orifyoustartproducinganadditionalcard

design,reviewsetuptaskstomakesurethateachdesignprintsasrequired.Test

newcarddesignsasdescribedinthisguide.Youmightidentifychangestoyour

processtosupportproductionofmorethanonedesign.

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DataCard SD Series Specifications Page 29