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GS v0 m xL xH yL yH d1...dk
[Function] Printing of raster bit image
[Code] <1D>H<76>H<30>H<m><xL><xH><yL><yH> [<d>] k
[Range] 0
m 3, 48 m 51, 0 xL 255, 0 xH 255,
0
yL 255, 0 yH 8, 0 d 255,
k=(xL+xH × 256) × (yL+yH × 256), however, k≠0
[Outline] Prints raster bit images in mode “m”.
m Mode Name
Dot Density in Dot Density in
Vertical Direction
Horizontal Direction
0,48
NORMAL MODE
203 DPI 203 DPI
1,49
DOUBLE WIDTH MODE
203 DPI 101 DPI
2,50
DOUBLE HEIGHT MODE
101 DPI 203 DPI
3,51
QUADRUPLE SIZE MODE
101 DPI 101 DPI
• xL, xH specify the number of data in horizontal direction of
the bit image to (xL+xH × 256) bytes.
• yL, yH specify the number of data in vertical direction of the
bit image to (yL+yH × 256) bytes.
[Details] • In STANDARD MODE, this command is valid only when there
is no print data in the print buffer.
• Any of the print modes (Character size, emphasis, double strike,
inverting, underlining, back-to-white reversing, etc.) does not
affect the raster bit image.
• If the print area specified by GS L and GS W is narrower than
a minimum width, the print area for that line only is extended
to the minimum width. The minimum width is one dot in
NORMAL MODE (m=0, 48) and DOUBLE HEIGHT MODE (m=2,
50), and 2 dot in DOUBLE WIDTH MODE (m=1,49) and
QUADRUPLE SIZE MODE (m=3, 51).
• Any part of data that is out of the print area is only read and
discarded in units of dot.
• The print start position can arbitrarily be specified with HT
(Horizontal tab), ESC $ (Specifying absolute position), ESC \
(Specifying relative positions), and GS L (Setting left margins).
Note that if the print start position is not a multiple of 8, the
printing speed may decrease.
• The setting of ESC a (Aligning characters) are also valid for
the raster bit image.