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Bar Codes All bar codes supported by the EPL2 language
have associated industry specifications that the
programmer should be aware of and adhere to.
The programmer needs to consider bar code
features and requirements when choosing and
using a bar code for different applications.
Some of the features and requirements that
need consideration are listed below:
❏
Data used by the application are per the bar
code specification (numbers only, alphanu
-
meric, alphanumeric and special characters,
etc.).
❏
Minimum and maximum number of charac
-
ters allowed or required per bar code.
❏Density or magnification of a given bar code
type.
❏White area required around bar codes (the
“Quiet Zone”).
❏The bar code must print within the image
buffer (printable area of the label).
Bar Code Orientation Tip
To help ensure that generated bar codes are read-
able by the widest variety of bar code readers, print
bar codes in the “Picket Fence” orientation versus
the “Ladder” orientation.
980352-001 Rev.A
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x axis
y axis
Direction Of Feed
(0,0)
Horizontal Dots
Picket Fence
Orientation
Ladder
Orientation
Height of
Bar Code
Height of
Bar Code