Ref.12 - OSA Printer Interface
This interface is intented to connect a SciSys/Saitek chess board with OSA-Link (Leonardo, Galileo or Renaissance) to a compatible ESC/POS printer, which is at least 40 columns wide.
It has been assembled by hand, and meticulously tested.
Alternative version with cable for the printer connector:
Examples of printing...
Note: a paper width of at least 80 mm is recommended, so that the 40 characters per line can be correctly displayed.