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chapter 5
D
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C
Withthisprinteryoucancreatenewcharactemandsymbols,downloadtheir
dotdata,andhavethemprintedin placeof selectedcharactersin the regular
characterset.Charactem thatcanbe generatedinthiswayrangefromsimple
but useful symbols like the check mark through complex Chinese or
Japanesecharactem.
Regular charactem are permanently stored in the printer's ROM, but
charactm you designare downloadedand storedin RAM for use.
DESIGNING YOUR OWN DRAFT CHARACTERS
Designingand printing your own charactershas two requirements:first,
designingthe shapeof the character,calculatingthe datanecessaryto make
the shape, and sendingthat data to the printer, and secondly,sendingthe
commandto printthe downloadedcharactersinsteadof the regularcharac-
ters. There are a number of design constraintsfor downloaddraft quality
characters:
The matrixor grid on whichyou designthe charactersis six boxeswide
by nine boxeshigh.
s Horizontally, d otsmaybecenteredinabox, ormaystraddlealine, making
the actualcharactergrid 11dotswideby 9 dotshigh.Vertically,dotscan
only be centeredin a box. See Figure5-1.
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