
Chapter 3: Programming Commands 61
Select bit image mode
ASCII ESC * m n1 n2 d1 ... dn
Hexadecimal 1B 2A m n1 n2 d1 ... dn
Decimal 27 42 m n1 n2 d1 ... dn
Value of m:
Value of m Mode No. of dots (vertical) No. of dots (horizontal) No. of dots/line
0 8-dot single-density 8 (68 DPI) 0–288 (101 DPI) 8 x 288
1 8-dot double-density 8 (68 DPI) 0–576 (203 DPI) 8 x 576
32 24-dot single-density 24 (203 DPI) 0–288 (101 DPI) 24 x 288
33 24-dot double-density 24 (203 DPI) 0–576 (203 DPI) 24 x 576
49 Line Graphics
Value of n:
Value of n (8-dot single/Line Graphics) Value of n (24-dot single) Value of d
n1 + (256 x n2) 3 x [n1 + (256 x n2)] Number of bytes of data*
*Printed left to right (8-dot mode); printed down then across (24-dot mode), bit gets printed to 1 and not printed to 0
Formulas
8-dot single-density= n1 + (256 X n2)
24-dot single-density= 3 X [n1+ (256 X n2)]
Line Graphics= n1 + (256 X n2)
Setstheprintresolutionandentersonelineofgraphicsdataintotheprintbuffer.Excessdataisacceptedbutignored.Any
printcommandisrequiredtoprintthedata,afterwhichtheprinterreturnstonormalprocessingmode.
Thebitimageisnotaffectedbyemphasize,double-strike,underline,charactersize,reverseprinting,or90rotation,butis
affectedbyupside-downprintingmode.
Inpagemode,astartingpositionofupperrightorlowerleftresultsinrotatedbit-imagedataprinting.
Seetheillustrationforgraphicrepresentationsofthebitimagebelow.
Turn on/o TIFF compression
ASCII ESC * b m n
Hexadecimal 1B 2A 62 6D n
Decimal 27 42 98 109 n
Range of n: 0, 2, 48, 50
Turns the TIFF compression on (n = 2, 50), or o (n = 0, 48). Default o (n = 0).
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