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The following table describes each parameter you can set
using the Print Control record.
Parameter Options Description
Identifier C Print Control record
contrast
0
-390 to 100
Contrast adjustment in .078
volts/count
print_adjust
0
-99 to 99
Vertical adjustment in 1/192 dots
margin_adjust
0
-99 to 99
Horizontal adjustment in
1/192 dots
speed_adjust
0
Print speed is 2 inches
per second
width_adjust
0
to 99 Width of the supply in dots
n
✦
The default values are shown in bold.
✦
If manually adjusting the print contrast does not give you
the desired results, the print contrast can be adjusted on
site, by a Monarch Service Representative. However, if the
print is too dark, bar codes may not be scannable.
✦
You can use the margin adjust to align label information.
(Incrementing the margin adjust shifts the print to the right.
Decrementing the margin adjust shifts the print to the left.)
✦
The supply width defined here overrides the value defined
in the format header. If this parameter is not defined, the
supply width defined in the header is used. You may want
to define your supply width here to force the printer to
center justify across four inches for all your formats or left
justify your formats at a certain point. If your format width
is 3.2 inches or less, the image is centered across a 2-inch
supply width. If your format width is greater than 3.2
inches, the image is centered across a 4-inch supply.
J640 Programmer’s Manual
5-10