Knowledge Base
Chestny ZNAK does not scan at checkout — what to do?How to identify a Chestny ZNAK marking codeCan a damaged marking code still be read?The marking code is scratched, folded or partly torn — how can it be read?The marking code is completely missing: what can still be done?Why can specialised software read what a checkout scanner cannot?The code is read, but checkout rejects the saleThe shipment was received by an aggregate code, but unit codes do not scan. Why?Re-marking or reading the damaged original code — where to start?How to send a Chestny ZNAK code that a checkout scanner cannot readHow a Chestny ZNAK marking code is structuredWhy GTIN matters when reading a damaged markingWhat is inside the marking code: GTIN, serial number and security dataCan the code be read if only 10% of the image remains?What does a 22×22 Data Matrix mean?Can a marking code be decoded manually?Why damage percentage alone does not determine readabilityHow marking structures differ between product categoriesUnreadable marking on bottled waterHow dairy marking differs from packaged water