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3-10 Creating and Printing Formats
Example ESC Z 3 08 hex 50 hex '12345678'
Prints an Interleaved 2 of 5 bar code, 10 mm high, containing 12345678 as the
data.
Specifying Particular Bar Codes
Values for the <length> and <data> parameters depend on the type of bar
code you choose with <bctype>.
Bar Code
<length> <data>
Code 39
12 (maximum) with
automatic centering
0-9, A-Z, -, (space), $, /,
+, and %
Interleaved 2 of 5 24 (maximum)
Pairs of numeric
characters (0-9)
UPC/EAN/JAN UPCA: 12
UPCE: 7
EAN/JAN-8: 8
EAN/JAN-13: 13
These lengths are fixed
and all include a check
digit.
0-9
Codabar
20 (maximum) plus start
and stop characters. The
printer adds the stop
character automatically.
Data: 0-9, $, -, :, /, ., and
+.
Start characters: a (the
default), b, c, or d.
Code 128 (UCC/EAN-128) Details
For Code 128 (UCC/EAN-128) bar codes, <length> can be a maximum of 18
(with alphanumeric/control code data) or 36 (if you use subset C and numeric
pairs).
The first character of <data> must specify the subset to use: A, B, or C (listed
as 87, 88, and 89 hex, respectively). The rest of the data can be all 256 ASCII
characters by using a combination of the subsets. The data must appear as
numeric pairs corresponding to the hex values for the ASCII character in
question.
Each subset enables the bar code to contain different characters. Subset A
uses 20-3F hex and 40-7F hex (read by a bar code scanner as 00-7F hex),
subset B uses 20-7F hex, and subset C uses 30-39 hex.