[Description] Turns on or off white/black reverse printing mode.
When the LSB of n is 0, white/black reverse mode is turned off.
When the LSB of n is 1, white/black reverse mode is turned on.
[Details]
Only the lowest bit of n is valid.
This command is available for all characters,except
HRI characters
.
When white/black reverse printing mode is on, it also applied to character
spacing set by ESC SP.
This command does not affect bit image, user-defined bit image, bar code, HRI
characters, and spacing skipped by HT, ESC $, and ESC \.
This command does not affect the space between lines.
White/black reverse mode has a higher priority than underline mode. Even if
underline mode is on, it is disabled (but not canceled) when white/black reverse
mode is selected.
[Default] n = 0
50. GS H n
[Name] Select printing position for HRI characters
[Format] ASCII GS H n
Hex 1D 48 n
Decimal 29 72 n
[Range] 0
n
3, 48
n
51
[Description] Selects the printing position of HRI characters when printing a bar code.
n selects the printing position as follows:
n Printing position
0, 48 Not printed
1, 49 Above the bar code
2, 50 Below the bar code
3, 51 Both above and below the bar code
HRI indicates Human Readable Interpretation.
[Details]
HRI characters are printed using the font specified by GS f.
[Default] n = 0
[Reference] GS f, GS k
51. GS L nL nH
[Name] Set left margin
[Format] ASCII GS L nL nH
Hex 1D 4C nL nH
Decimal 29 76 nL nH
[Range] 0 ≤ nL ≤ 255
0 ≤ nH ≤ 255
[Description] Sets the left margin using nL and nH.