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 Not all barcode design software provides for bar…

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Scan Reflectance Profile

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 scanner detects and, through a timing algorithm, “measures” the widths of each element (bar and space), it acquires a reflectance reading that…

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