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Chapter 5: Programming commands62
A776 (B780) Programming Guide A776-PG00001 C 12/09
Turns on white/black reverse print mode. In white/black reverse print mode, print dots and non-print dots are reversed,
which means that white characters are printed on a black background. When the white/black reverse print mode is
selected it is also applied to character spacing which is set by right-side character spacing (1B 20).
This command can be used with built-in characters and user-dened characters, but does not aect the space
between lines.
White/black reverse print mode does not aect bit image, downloaded bit image, bar code, HRI characters, and
spacing skipped by horizontal tab (09), set absolute starting position (1B 24 …), and set relative print position (1B 5C).
White/black reverse print mode has a higher priority than underline mode. When underline mode is on and white/
black reverse print mode is selected, underline mode is disabled, but not canceled.
Bar codes, logos, and bit images are not aected by this command.
Exceptions
This command is only valid for the receipt station.
Set smoothing
ASCII GS b n
Hexadecimal 1D 62 n
Decimal 29 98 n
Value of n: 0 = smoothing o,
1 = smooting on,
default = o
Turns smoothing mode on or off for the quadruple or larger sizes of characters.
Reverse color text mode (ColorPOS
®
)
ASCII GS 0x85 m n
Hexadecimal 1D 85 m n
Decimal 29 133 m n
Value of m: 0 = white
1 = black
2 = paper color
Value of n: 0 = white
1 = black
2 = paper color
Default: m = 0 (o)
Sets a mode for reverse printing eects on text. The background color is specied by m, while the text color is specied
by n. Setting m = 0 turns o the mode.
If m = n but not zero, the printer produces solid printing in the given color. This tactic can be used to minimize the
rmware busy work.
The value of current color and white/black reserve print mode is superseded by the value of n whenever this mode is
on (m>0). Bar codes, logos, and bit images are not aected by this command.