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TC9450PM Rev. C 8/11/98 C-1
This appendix lists density information for the standard printer bar codes. The pitch is 0.125.
Narrow Dots/Wide Dots
The following table compares the narrow element dots to the wide element dots.
NOTE:Bar codes produced using single dot elements may not be
scannable.
Narrow
Dots
Narrow
Element
Width (mm)
W:N
Ratio
Wide
Dots
Wide
Element
Width (mm)
1* 0.125 2.00 2 0.250
1* 0.125 3.00 3 0.375
2 0.250 2.00 4 0.500
2 0.250 2.50 5 0.625
2 0.250 3.00 6 0.750
3 0.375 2.00 6 0.750
3 0.375 2.33 7 0.875
3 0.375 2.67 8 1.000
3 0.375 3.00 9 1.125
4 0.500 2.00 8 1.000
4 0.500 2.25 9 1.125
4 0.500 2.50 10 1.250
4 0.500 2.75 11 1.375
4 0.500 3.00 12 1.500
5 0.625 2.00 10 1.250
5 0.625 2.20 11 1.375
5 0.625 2.40 12 1.500
5 0.625 2.60 13 1.625
5 0.625 2.80 14 1.750
5 0.625 3.00 15 1.875
continued on the next page
*May require special supplies to scan correctly.
Appendix C. Bar Code Densities