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Chapter 1 Overview
•The validator can also evaluate PDF 417 bar codes. For PDF 417 Limited, the validator works best with security level 5 or higher, using the current default printer settings for Defects Percentage, Percent Decode, and Decodeability. For lower security levels, lower the Defects Percentage to 5% to enable checking for bar code damage.
•Stacked, 2D, and vertical (ladder) bar codes are not supported.
•Bar codes must have a minimum
(0.010 inch) to be recognized by the full width of the scanning beam. The validator can recognize bar
(0.010 inch) for 203 dpi printers. The validator cannot recognize
Refer to Table 1 for the minimum
Table 1: Minimum
a 300 dpi Printer
Printer Size | Beam Width | Minimum | |
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4 inch | 4.5 inches | 6.6 mil | |
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6 inch | 6.5 inches | 10 mil | |
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8 inch | 8.5 inches | 13 mil | |
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