M-S Cash Drawer A794 - Manual (Page 83)

Chapter 6: Programming Information A794 Owner’s Guide
December 1999 78
Set Printing Area Width
ASCII GS W nL nH
Hexadecimal 1D 57 nL nH
Decimal 29 87 nL nH
Range of nL: 0-255
Range of nH: 0-255
Default: 576 dots (the maximum printable area)
Sets the width of the printing area. If the setting exceeds the printable area, the
maximum value of the printable area is used. The width of the printing area 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).
The width of the printing area follows the Set Left Margin command (1D 4C). See the
Set Left Margin command (10 4C …) earlier in this document for a description.
Formulas
To set the width of the printing area to one inch at the default horizontal motion unit of
1/203 inches, send the four-byte string:
GS W 203 0
Or, to set the width of the printing area to two inches at the default horizontal motion
unit of 1/203 units per inch, send the four-byte string:
GS W 150 1
Where 2 inches = 406/203, and 406 = (1 X 256) + 150.
←
Printable area 576 dots
→
←
Left margin
→ ←
Printing area width
→
Exceptions
This command is effective only at the beginning of a line.
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.