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(5) Bar width, space width, and character-to-character space
Designate the bar, space, and character-to-character space widths according to
the type of bar code. Note that the designated proper value differs according to
the rotational angle of bar code, type, number of digits, print speed, paper used,
etc. Examples of such designations are listed below. (1 dot = 1/11.8 mm)
In the case of JAN, EAN, UPC, CODE93, CODE128, UCC/EAN128, PDF417, or
MicroPDF417, a 2 to 6-module width is calculated automatically when a 1-module
width is designated.
Type of bar code 1 module 2 modules 3 modules 4 modules 5 modules 6 modules
Bar Space Bar Space Bar Space Bar Space Bar Space Bar Space
JAN, EAN, UPC 4 8 12 16 - -
CODE93 3 6 9 12 - -
CODE128, EAN128
3 6 9 12 - -
PDF417 3 6 9 12 15 18
MicroPDF417 2 4 6 8 10 12
Type of bar code Narrow Wide Character-to-character
Bar Space Bar Space space
MSI 33 88 0
ITF 33 88 0
CODE39 3 3 8 8 3
NW7 33 88 3
Industrial 2 of 5 3 3 8 0 3
When NW7 is used, transmission of the space character assumes the space of (narrow
space ×12) dots. In this case, the space is max. 255 dots.
In the case of Data Matrix
When 1-cell width is 00 for the Data Matrix,
a two-dimensional code is not drawn.
However, the two-dimensional code printed
on the previous label is cleared.
1-cell width
1-cell width = 3
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