Coder 293 is designed to be easy to use, to be positioned, and to be adjusted. This coder can be equipped with a system for the quick and precise drum repositioning and it can also adjust perfectly to the box side by means of a device of rubber, which is positioned under the base. To fix the types, Coder 293 is provided with a grooved rubber covering. Moreover, it can be equipped with an anti-repetition lever to avoid the coding repetition on very long boxes. It uses felt or microporous plastic cartridges.