What Makes a Barcode Invalid? Common Causes Explained

Learn about the common causes of invalid barcodes and how to prevent errors in barcode printing and scanning.

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An invalid barcode can result from several issues. Common causes include improper coding formats, incorrect or missing check digits, damaged or smeared barcode print, and insufficient contrast between bars and spaces. To prevent these errors, ensure the barcode is printed clearly, verified by appropriate software, and follows standard barcode guidelines.

FAQs & Answers

  1. What are the common causes of an invalid barcode? Common causes include improper coding formats, incorrect check digits, and damaged prints.
  2. How can I prevent barcode errors? To prevent errors, ensure clear printing, use appropriate software for verification, and adhere to standard barcode guidelines.
  3. What should I do if my barcode is not scanning? Check for damage, ensure proper contrast, and verify coding format and check digits.
  4. Can barcode printers cause errors? Yes, using low-quality prints or incorrect settings can lead to barcode scanning issues.