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ML790/791 Printer Handbook 115
Graphics, 8 & 24-Pin
Mode
Graphics Select/ Print
Graphics Select
ASCII: ESC * m l h [graphics data]
Dec: 27 42 m l h [graphics data]
Hex: 1B 2A m l h [graphics data]
ASCII: ESC [ g l h m [graphics data]
Dec: 27 91 103 l h m [graphics data]
Hex: 1B 5B 67 l h m [graphics data]
IBM
Function
Commands
(ASCII, Decimal, Hexadecimal)
ESC Y, and ESC Z commands. Ratio is
determined by value of variable n:
n=0 or 1: 5 horizontal/ 6 vertical
n=2: 1 horizontal/ 1 vertical
n=3: Command ignored
Invalid (trapped) in IBM AGM emula-
tion.
Selects 8-pin and 24-pin graphic modes
and prints graphic data. Valid only for
IBM AGM.
m=0: Single density, 8-pin, 60 dpi
m=1: Double density, 8-pin, 120 dpi
m=2: Double speed, double density,
8-pin, quasi-120 dpi (dots can not be
printed directly adjacent to one another)
m=3: Quadruple density, 8-pin, quasi-
240 dpi (dots can not be printed directly
adjacent to one another)
m=4: CRT I, 8-pin, 80 dpi
m=6: CRT II, 8-pin, 90 dpi
m=32: Single density, 24-pin, 60 dpi
m=33: Double density, 24-pin, 120 dpi
m=38: CRT III, 24-pin, 90 dpi
m=39: Triple density, 24-pin, 180 dpi
m=40: Hex-density, 24-pin, quasi-360
dpi (dots can not be printed directly ad-
jacent to one another).
l, h=0 to 255: specifies amount of subse-
quent Bit Image bytes received,
calculated as l + (h x 256)
Selects graphics and prints
m=0: Single density, 8-pin, 60 dpi
[same as ESC * () ]
m=1: Double density, 8-pin, 120 dpi
[same as ESC * 1]
m=2: Double speed, double density, 8-p-
in, quasi-120 dpi [same as ESC * 2]
m=3: Quadruple density, 8-pin, quasi-
240 dpi [same as ESC * 3]
m=8: Single density, 24-pin, 60 dpi
[same as ESC * 32]
Notes