Mr. Nachtrieb has 30+ years of hands-on experience in barcode technology. His team imaged the film master for the first commercially scanned barcode in North America (1974). His specialty is barcode quality. He created and hosts a highly customized barcode quality seminar which has been presented to 100's of companies, reaching thousands of quality-concerned people, helping them to avoid barcode problems and manage barcode-related risk.

Case History: Shipping Container Barcoding

The client, an East Coast medical device company, is a supplier of test kits used to detect specific medical conditions. They were concerned about GS1 Healthcare compliance in their shipping container barcoding number assignments to products, including sale units and shipping containers. The numbering system they have in place has come from all directions. Their…

Bar Width Reduction Part II

The most common cause of barcode failure is poor print quality due to bars that are too fat. There are many possible causes: an absorbent substrate, an ink that wicks because of its viscosity, the amount of pressure on the imaging master or plate, the drying characteristics of the ink, etc. Controlling ink spread or…

Barcode Quality in Prepress

Apologies to those of you for whom this is all review—it may be news to others. Barcode Quality begins way before the press Barcode quality isn’t just a printing issue—it begins in prepress.  Every step in the process is an opportunity to influence the quality of the printed barcode; every step is also an opportunity…

Understanding Decodability

Of all the ANSI/ISO parameters, decodability is the one that confounds and confuses most people. Attempts to define it in simple terms (“Decodability is the amount of tolerance left for the scanner after prepress and on-press operations.”) are unsatisfactory and unhelpful. Decodability is a complex parameter and will not yield to oversimplified explanations. Decodability is…

After the Quick Check What’s Next?

When Honeywell announced the End of Life Plan for the Quick Check verifier line on June 9, 2011 the replacement options they listed were all Axicon products.  Honeywell stopped all verifier shipments on February 29, 2012. The Quick Check is officially dead; what’s next? Now that the Quick Check verifier is officially dead, let’s take…