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SD Series Installation and Administrator’s Guide 19

Bar Code Size

•

Alowerdensitybarcodeiseasiertoread,becausethebarsarewiderand

spacedfartherapart.

• Thewidthofthenarrowelementsinthebarcodemustbelargeenoughtobe

readconsistently.Thecapabilitiesofthebarcodereadercaninfluencethis.

• Thebarcodemustbetallenoughtobereadundernormalconditions.

Bar Code Print Settings

•

Toachievethebestqualityprintingandimprovethereadabilityofthebar

code,usetheK(black)panelofcolorprintribbontoprinttheblackbars.Bar

codesprintedwithYMCpanelsarenotascrispandsharpasthoseprinted

withtheKpanelonly.

• InfraredreadersrequirethattheKpanelbeusedtoprintthebarcode.

• TheANSIstandardforbarcodequality(X3.182)assignsagradetoabarcode

toindicateitsreadability.ChooseaKpowervalueandbarcodesizeto

producethegradeyoursystemrequires.Referto“PrinterSetting Menu”on

pag e 37forinformationaboutsettingtheKpowervalue.

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cardstockfortestingthatyouuseforproduction.The

cardstock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.

DataCard SD260LTM Installation And Administration Guide

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