Support and Information
Read through our archive of barcode information and support articles. Use the search function to find what you’re looking for.
Getting Started
Barcode Types & Product Compatability
- ISSN – Barcodes for Magazines & other Serial Publications
- ISBN – Barcodes for Books
- EAN & UPC barcodes – which format to use on your products
- ITF-14 Carton Codes
- 890 Barcodes
Barcode Specifications & Printing
- Barcode Verification
- Choosing the right Barcode Colours
- Barcode Size Specifications (EAN-13 and UPC-A)
Amazon Troubleshooting
- Error Code 8556 | Sorry, this product is ineligible for Amazon Marketplace selling at this time
- Error Code 8541 | The SKU data provided is different from what’s already in the Amazon catalog
Barcode Acceptance Information