ocr: Requirements Symbology Pros Cons Retail UPC/EAN Already used Cannot designate applications industrywide own codes; limited to 11 data digits Need Code 39 Low misread alphanumeric, rate, widely used low error rate Require high Interleaved High data Prone to misreads. data density 20f5 density Most accurate when a specific data length iS specified Envelopes, POSTNET Saves postage, Unreadable if not mass mailings speeds delivery printed to precise specification
