Why Are Barcodes Unscannable? Key Factors Explained

Discover what causes barcodes to become unscannable and how to ensure optimal scanning performance.

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Barcodes become unscannable due to several reasons: poor print quality, damaged barcodes, incorrect size or spacing of bars, and inadequate contrast between the bars and background. Ensure using high-quality printers, maintaining consistent bar heights and widths, and providing sufficient quiet zones (the blank spaces before and after the barcode) to improve scannability. Avoid reflective surfaces which can impede scanning.

FAQs & Answers

  1. What are the common reasons for barcode scanning failures? Common reasons include poor print quality, damaged barcodes, incorrect bar size or spacing, and inadequate contrast with the background.
  2. How can I improve barcode scannability? To improve scannability, ensure you use high-quality printers, maintain consistent bar dimensions, and allow sufficient quiet zones.
  3. Does the type of surface affect barcode scanning? Yes, reflective surfaces can impede scanning, so it's best to print barcodes on matte materials.
  4. What are quiet zones in barcode printing? Quiet zones are blank spaces before and after the barcode that help scanners accurately read the code.

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