| Question: What is verification? |
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| Answer: A standardized method for determined the quality of a bar code |
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| Question:Why should I verify my bar codes? |
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| Answer: In order to prevent product rejection and possible fines you need to inspect your bar codes to ensure compliance with the ISO standards |
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| Question:What is the difference between the “Scan Grade” and the “Overall Symbol Grade?” |
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| Answer: The Scan Grade is the result of a single inspection scan of the bar code symbol. The Overall Symbol Grade is an average of each individual Scan Grade. ISO/ANSI require a 10 scan average throughout the height of the symbol |
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| Question:Do the bar codes have to have black bars? |
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| Answer: No, you can use different colors. The key is to ensure that the contrast between the bars and the spaces is sufficient |
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| Question:Do I need to inspect every bar code I print? |
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| Answer: This depends on your agreements with your customers. In most cases a statistical sampling is sufficient. The frequency of the sample depends on many variables such as; print method, typical overall scan grade, potential variation in the printing system, size of the bar code, etc. |
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