Samsung STP-102P Operator's Manual page 16

GS B n
[Name] Turn white/black reverse printing mode on/off.
[Format] ASCII GS B
Hex 1D 42
Decimal 29 66
0 < n < 255
[Range]
[Description] Turn on or off white/black reverse printing mode.
[Notes] When the LSB is 0, white/black reverse printing mode is turned on.
When the LSB is 1, white/black reverse printing mode is turned off.
GS L nL nH
[Name] Set left margin.
[Format] ASCII GS L
Hex 1D 4C
Decimal 29 76
0 < nL < 255
[Range]
0 < nH < 255
[Description] Sets the left margin using nL and nH in standard mode.
[Notes] The left margin is set to (nL + nH x 256) dots from the beginning of the line.
This command is effective only at the beginning of a line.
Left margin
n
n
n
nL nH
nL nH
nL nH
Printable area
Printing area width
GS W nL nH
[Name] Set printing area width.
[Format] ASCII
Hex
Decimal
0 < nL < 255
[Range]
0 < nH < 255
[Description] Set the printing area width to the area specified by nL and nH.
[Notes] The printing area width is set to (nL + nH x 256) dots.
Left margin
This command is effective only at the beginning of a line.
The maximum possible setting for the print range is the same as the maximum
setting are rounded down to the maximum setting.
GS ^ r t m
[Name] Execute macro.
[Format] ASCII
Hex
Decimal
0 < r < 255
[Range]
0 < t < 255
[Description] 0 < m < 1
[Notes] Executes a macro.
r specifies the number of times to execute the macro.
t specifies the waiting time for exceuting the macro.
The waiting time is t x 100m sec for every macro execution.
When m = 0 : the macro executes r times continously width interval specified by t.
When m = 1 : After waiting for the period specified by t, the PAPER OUT LED
indicator blinks and the printer waits for the FEED button to be pressed.
After the button is pressed, the printer executes the macro once. The printer
repeats the operation r times.
31 32
GS W nL nH
1D 4C nL nH
29 87 nL nH
Printable area
Printing area width
GS ^ rtm
1D
5E rtm
29 92 rtm