HP Value Serial/USB Receipt Printer II Manual do Utilizador descarregar pdf (Página 64)

Chapter 3: Programming Commands64

Dene downloaded bit image

ASCII GS * n1 n2 d1 ... dn]

Hexadecimal 1D 2A n1 n2 d1 ... dn]

Decimal 29 42 n1 n2 d1 ... dn]

Value of n:

Value of n1 Value of n2 Value of d

1–72 (8 x n1 = number of 1–64 (number of vertical bytes)

Bytes of data (printed down, then across)

horizontal dot columns) bit gets printed to 1 and not printed to 0

The number of bytes sent is represented by the following formula:

n = 8 x n1 x n2 (n1 x n2 must be less than or equal to 4608).

Entersadownloadedbitimage(suchasalogo)intoRAMorashwiththenumberofdotsspeciedbyn1andn2.Ifin

RAM,thedownloadedbitimageisavailableuntilpoweristurnedofforreset,anotherbitimageisdened,orinitialize

printer(1B40)commandisreceived.Thisbitimagewillbesavedasamonochromelogoindexedbycurrentvaluethat

waslastsetbytheselectcurrentlogocommandor0isaselectcurrentlogocommandhadnotyetbeengiven.

Thedowloadedbitimagecanbeprintedusingthe1D2Fcommand.

Seetheillustrationbelowforagraphicrepresentationofthedownloadedbitimage.

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HP Value Serial/USB Receipt Printer II Manual do Utilizador Página 64