Instruction manual

A758 Owner’s Guide Chapter 7: Programming Guide
September 1999 132
Set Left Margin
ASCII
:GS L
nL nH
Hexadecimal
:1D 4C
nL nH
Decimal:
29 76
nL nH
Range of
nL
:
0 - 255
Range of
nH
:
0 - 255
Default:
576 dots (the maximum printable area)
Sets the left margin of the printing area. The left margin is set to (((
nH
X 256) +
nL
) times horizontal motion unit) inches. The horizontal motion units are set by
the Set Horizontal and Vertical Minimum Motion Units command (1D 50),
described in this manual.
The width of the printing area is set by the Set Printing Area Width command
(1D 57), which follows this command. See the Set Printing Area Width command
(1D 57) in this document for a description of that command.
If the setting exceeds the printable area, the maximum value of the printable area
is used. The maximum printable area is 576 dots. See the illustration.
Formulas:
To set the left margin to one inch at the default horizontal motion unit of 1/203
inches, send the four-byte string:
GS L 203 0
Or, to set the left margin to two inches at the default horizontal motion unit of
1/203 units per inch, send the four-byte string:
GS L 150 1
Where 2 inches = 406/203, and 406 = (1 X 256) + 150.
←
Printable area 576 dots
→
←
Left margin
→ ←
Printing area width
→
Exceptions:
The command is effective only at the beginning of a line.
This command is ignored if the line buffer is not empty, and only effects the
Receipt interface.