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ESC * m nL nH d1...dk
[Name] Select bit-image mode
[Format] ASCII ESC * m nL nH d1...dk
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 ≤ 3
0 ≤ d ≤ 255
[Description] Selects a bit-image mode using m for the number of dots specified
by nL and nH
Divide the number of dots to be printed by 256. The interger answer is
nH and the remainder is nL. Therefore, the number of dots in the
horizontal direction is calculated by nL + 256 x nH.
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 to not print a dot.
The bit-image modes selectable by m are as follows.
[Notes]
If the values of m and nH are out of the specified range, the following
data is processed as normal data.
After printing a bit image, the printer returns to normal data processing
mode.
The relationship between the image data and the dots to be printed is
as follows.
Control commands list
Chapter 5
m
0
1
No. of Vertical Dots
8
8
Dot Density
Single Density
Double Density
Adjacent
Dot
Permitted
Permitted
Maximum number of
dots
252
504
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,
When n = 0 or 48, underline mode is turned off.
When n = 1 or 49, underline mode is turned on.
[Notes]
Underlines can be printed for all characters,
but not for the space set by HT.
This command and ESC ! turn underline mode on or off in the same way.
If n is out of the specified range, this command is ignored.
[Default] n = 0
[Reference] ESC !
ESC 2
[Name] Select default line spacing
[Format] ASCII ESC 2
Hex 1B 32
Decimal 27 50
[Description] Selects default (1/6-inch) line spacing.
[Reference] ESC 3