Archives

You have never had a problem with a bar code, so  you don’t do any barcode testing. Everything has been going fine for years. Your processes seem to be nailed down; you have never had a [...]

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 [...]

There is a widely held belief these days that bar code quality isn’t as big an issue as it once was—say back in the 80’s and 90’s. We have consistently and emphatically taken the position that [...]

A barcode tester is a purpose-built device that reads and evaluates the quality of a printed barcode. It produces a final grade that represents the quality of the barcode.  It is important to use [...]

It is a widely accepted fact that printing bar codes on corrugated is a challenge. TAPPI and other trade groups recognize that the verification grade is seldom better than ANSI D (ISO 0.5-2.3) [...]

The Scan Reflectance Profile or SRP is a graphic representation of the changing reflectance values of a linear bar code across its width, from leading quiet zone to trailing quiet zone. As the [...]

A test barcode is an image with known errors and attributes built into it. A properly working verifier will detect these errors and attributes and report them accurately. This is the only way an [...]