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Quiet Zone
When you estimate the area you’ll need for the bar code,
remember to add the length of the quiet zone. The quiet zone
is an area of white space required at the beginning and end of
each bar code. The minimum size of the quiet zone is 0.10, or
10 times the width of the narrowest bar code element,
whichever is greater. The tables below show the minimum
size of the quiet zone at each density. For wand scanning, the
quiet zone should be 0.25 to 0.35 inch.
The minimum quiet zone for parallel bar codes printed on the
9465 are shown in the following table.
Density Quiet Zone
10.10 inch
20.15 inch
30.20 inch
Density Quiet Zone
1 0.10 inch
20.11 inch
3 0.15 inch
Appendix B:
Code 128 Information
Appendix B: Code 128 Information
B-5