HP Value Serial/USB Receipt Printer II Uživatelský manuál stáhnout pdf (Strana 102)

Chapter 3: Programming Commands102

Page mode

PagemodeisoneoftwomodesthattheA798IIprinterusestooperate.Standardmodeistypicalofhowmostprinters

operatebyprintingdataasitisreceivedandfeedingpaperasthevariouspaperfeedcommandsarereceived.Pagemodeis

differentinthatitprocessesorpreparesthedataasa“page”inmemorybeforeitprintsit.Thinkofthisasavirtualpage.

Thepagecanbeanyareawithincertainparametersthatyoudene.ThepageisprintedusingeithertheFF(0C)orthe

ESCFF(1B0C)command.

Theselectpagemodecommand(1B4C)putstheprinterintopagemode.Anycommandsthatarereceivedareinterpreted

aspagemodecommands.Severalcommandsreactdifferentlywheninstandardmodeandpagemode.Thedescriptionsof

theseindividualcommandsinthischapterindicatethedifferencesinhowtheyoperateinthetwomodes.

Thesecommandsdescribetheoperationfor80mmpaper.Note:theA793EmulationdoesnotsupportPageMode.

Print and return to standard mode

ASCII FF

Hexadecimal 0C

Decimal 12

Whenprintingiscompleted,valuesforselectprintdirectioninpagemode(1B54n) and set print area in page mode

(1B57n1,n2,…n8) and the position for buffering character data are set. Buffered data is not deleted from the printer.

The processed data is printed and the printer returns to standard mode. The developed data is deleted after being printed.

For more information see page mode in this document.

Exceptions

Thiscommandisenabledonlyinpagemode.

Cancel print data in page mode

ASCII CAN

Hexadecimal 18

Decimal 24

Deletesallthedatatobeprintedinthe“page”area.Anydatafromthepreviouslyselected“page”areathatisalsopartof

the current data to be printed is deleted.

Exceptions

Thiscommandisonlyusedinpagemode.

Print data in page mode

ASCII ESC FF

Hexadecimal 1B 0C

Decimal 27 12

Collectivelyprintsallbuffereddataintheprintingarea.

Afterprinting,theprinterdoesnotclearthebuffereddataandsetsvaluesforselectprintdirectioninpagemode(1B54n)

andsetprintareainpagemode(1B57…),andsetsthepositionforbufferingcharacterdata.

Printerreturnstostandardmodethroughuseof0C,1B53,orinitialization(whichcancelsallsettings).

Exceptions

Thiscommandisenabledonlyinpagemode.

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HP Value Serial/USB Receipt Printer II Uživatelský manuál Strana 102