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✦
Select the print speed based on desired throughput
and print quality. If print quality is more important,
reduce the print speed, because a lower print speed
increases the print quality of labels. If throughput is
more important, increase the print speed as high as it
will go to give you the needed print performance. See
"Increasing Throughput" for more information.
✦
If the print quality is too light or too dark, adjust the
print contrast. The correct contrast setting is important
because it effects how well your bar codes scan and
how long the printhead lasts.
Be sure to check the print quality of bar codes with a
bar code verifier or scanner. If you do not have a
verifier or scanner, check the bar code visually. A bar
code that is IN SPEC will have complete bars and clear
spaces. Small alphanumeric characters will look
complete. A bar code that is IN SPEC may not look as
good as one that is too dark, but it will have the highest
scan rate.
n
For highest scan rates, make sure there is adequate white
space before and after the bar code. Also, a darker bar code
does not mean it will scan better.
✦
When designing formats, keep in mind the non-print
zones. See "Determining the Print Area" in Chapter 2
for more information.
Dark
IN SPEC Light
MPCLII Packet Reference Manual
10-2