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ESC * m nL nH d1…dk
[Name] Select bit-image mode.
ASCII ESC * m nL nH d1…dk
[Format] Hex 1B 2A m nL nH d1…dk
Decimal 27 42 m nL nH d1…dk
[Range] m = 0, 1
0 ≤ nL ≤ 255
0 ≤ nH ≤ 1
0 ≤ d ≤ 255
[Description] Selects a bit-image mode using m for the number
of dots specified by nL and nH.
Horizontal Direction m No. Vertical
Dots
Dot Density Adjacent dot
Maximum
number of
dots
0 8 Single Density Permitted 180
1 8 Double Density Prohibited 360
• The nL and nH indicate the number of dots of the bit image in the horizontal
direction. The number of dots is calculated by nL + nH × 256.
• If the bit-image data input exceeds the number of dots to be printed on a line,
the excess data is ignored.
• d indicates the bit-image data. Set a corresponding bit to 1 to print a dot or to 0
not to print a dot.
• The relationship between the image data and the dots to be printed is as follows.
7
6
5
4
3
2
1
0
Top HEAD 1
HEAD 2
HEAD 3
HEAD 4
HEAD 5
HEAD 6
HEAD 7
HEAD 8
HEAD 9
ESC - n
[Name] Turn underline mode on/off.
[Format] ASCII ESC - n
Hex 1B 2D n
Decimal 27 45 n
[Range] n = 0, 1, 48, 49
[Description] Turns underline mode on or off, based on the following
values of n:
[Default] n = 0
n Function
0,48 Turns off underline mode.
1,49 Turns on underline mode