Prepress verification of barcodes: connecting the dots

Prepress verification of barcodes is a common practice in many printing companies. The reasons are partly from experience and partly practical: verification at prepress catches problems before they waste expensive press time, keeps expensive verification out of the damage-prone press environment and keeps press operators from making decisions they shouldn’t make based on technical and…

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Bar Width Reduction

Bar width reduction or BWR is a method for adjusting the graphics design file of a barcode to compensate for press gain. Press gain or ink spread is one of the most common causes of poor barcode performance. Bar width reduction is a compensation for press gain Virtually every barcode design software provides for press gain…

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When to Verify

When to verify–the question seems to imply that there are times not to verify, and that is not what I’m suggesting. It is always better to verify than never to, but there are better times and worse times to do it. I know this from personal observation. It is an amazing thing to be invited…

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Verifier Silence

Verifier silence can be even more confounding than decodability and modulation. Relating these rather exotic parameters to the print process and using them to decide what to do is sometimes unclear but at least you have a successful scan. What does it mean when you don’t? What about verifier silence?. What about those times when…

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