Prevention comes from correction, to prevent the recurrence of everything you corrected. In reality, it’s more effective to consider the process variables and control them. Charting materials and [...]
The basic corrective actions for matrix barcodes are similar to those discussed in Part 2 of this series, which covers this topic for linear barcodes. You may wish to read that article, as we [...]
CAPA Part 2: Linear Barcodes You have a barcode problem. A press is stopped, a customer is unhappy, a supply chain is broken…it’s an expensive, stressful nightmare. You need a solution—now. [...]
Two different, equally-important factors define barcode quality: Print quality Data structure ISO Standards define print quality. For linear barcodes (parallel lines and spaces) it is ISO 15416. [...]
A thermal printing company requested our assistance with a mysterious problem—barcodes that intermittently grade well and poorly. They had a trusted verifier but their confidence was shaken. Even [...]
Use of DPM barcodes is on the rise. For the unfamiliar, DPM is Direct Part Marking. It is used in applications where a label or tag won’t work. For example, an engine block or subassembly like an [...]
Your customer has just alerted you to a problem with your barcode. Now you need to test it: is there really a problem? What is it? How do you fix it? Or, you want to be proactive about preventing [...]
As a barcode test lab, we tend to focus on more exotic or subtle mistakes we encounter. However, the obvious mistakes, maybe less interesting, occur surprisingly often. Here are some we have seen [...]
Examining the entire process of getting a high performance barcode on a label or package, there are seven critical steps where mistakes should be avoided. Each step is critically important. [...]
Why, When and How. These are each big questions, each deserving an entire article, so this one article will only skim the surface to answer each question. Why verify barcodes? Bad barcodes break [...]
