As suggested by Flip, this is some of the most useful printer programming guides:
The Epson FX-80 Printer User manual contains a lot of useful programs and programming guides for using Epson ESC/P control codes:
https://files.support.epson.com/pdf/fx80__/fx80__uv.pdf
The full ESC/P Programmers Reference Manual is also useful for reference - but not an easy bedtime read:
https://files.support.epson.com/pdf/gen ... cp2ref.pdf
Printer Programming Guides
Printer Programming Guides
Retro-Printer Specialists
RWAP Software
RWAP Adventures
SellMyRetro
Retro-Printer Module
Also Involved in:
Icephorm
RWAP Software
RWAP Adventures
SellMyRetro
Retro-Printer Module
Also Involved in:
Icephorm