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How do you figure out what is wrong with a barcode that does not scan? Where do you start? The obvious answer is to use a verifier. Usually—but not always—when a scanner cannot decode a barcode, [...]

Barcode scanning problems fall into two categories: the barcode does not scan at all, or it scans inconsistently. Non-scanning barcodes are the hardest to diagnose since the verifier is not [...]