Appendix C: Bar codes
C-1
This chapter only describes
how to use the printer
function »Bar code printing«.
Appendix C: Bar codes
The bar code was developed as an automated identification system
for simplifying warehouse and stock taking procedures. The quali-
ty of the bar code is superior to OCR-A and OCR-B, as the quality of
OCR-A and OCR-B may be affected by external influences.
The following factors may influence the readability of bar codes:
● the print process and the sharpness of the stripes.
● the status of the printer and of the print head.
● the quality of the pins and the pin mechanism.
● use of a multicoloured ribbon, its age and colour intensity.
● functionality of the device used.
Furthermore, the following characteristics of the labels influence
the readability of bar codes:
● reflection
● smoothness of surface
● transparency
● surface´s consistency
● colour
● age of labels
☞
Note !
For further information about design and safety procedures
used with bar codes, see the books "Codiertechnik - Der
Schlüssel zum Strichcode", by B. Lenk and H.-G. Hansen,
published by Ident, or "The Bar Code Book - Reading, Printing,
and Specification of Bar Code Symbols" by Roger C. Palmer,
published by Helmers Publishing, Inc.
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