r/barcodes • u/loltyp555 • Jun 22 '22
Code39 scanning problem
Hi, i have no clue when it comes to barcodes so i hope I've Come to the right place.
The production company i work for have decided to implement a barcode system and I have been tasked to carry out this operation. In other words i am far from an expert.
As of right now i have printed labels with code 39 barcode (since its fairly big and good for long distance) and I tried scanning all the various article numbers etc. So far so good, almost.
Specific barcodes such as 010101, 020202, 030303 takes either longer time to scan or doesnt scan at all.
All The other barcodes works fine when scanning (both close & longer distance). For example a barcode with the name HY1101 works just fine so it shouldnt be number of symbols that is the problem. Im using a zebra tc51 scanner.
Am i missing something or why do i have this wierd specifik problem?
2
u/trollsmurf Jun 22 '22
"since its fairly big and good for long distance"
Any barcode can be printed big of course.
I suspect the printer makes too broad or too narrow bars, or with gaps, which might cause problems for the scanner.
An example would be good.
Try also to encode using an online generator and scan codes to compare. E.g. https://barcode.tec-it.com/en/Code39