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Section 8: Barcodes
k is the barcode type.
m is the module width.
Module is a term defining the smallest unit of measurement within a barcode.
The module width, m, is used to determine both bar and space widths.
B is a space module. A is a bar module.
Note: If m = 1, the human readable character is not printed.
Barcode Type k value
EAN-13 178, xB2
EAN-8 179, xB3
Code 39 180, xB4
Interleaved 2of5 182, xB6
UPC-A 183, xB7
POSTNET 185, xB9
Code 128 186, xBA
m value
# of dots
248x
module
width
249x
module
width
0 (default) 2 dots 0.021 inches 0.015 inches
1 2 dots 0.017 inches 0.012 inches
2 2 dots 0.021 inches 0.015 inches
3 3 dots 0.030 inches 0.021 inches
4 4 dots 0.038 inches 0.026 inches
Width
BA
Bar Length
(Height)