Ґґ, Єє, Іі and Її how to print correctly on an ESC printer?

Question

Printers

When the printer supports cp866 3 out of four can be printed.
How to deal with U+0403 CYRILLIC CAPITAL LETTER GJE and
U+0453 CYRILLIC SMALL LETTER GJE ?

Answer 1

I'll close the question myself.
It looks like everyone scored on her
Rare characters "ґ" and "'" (apostrophe). The first is almost universally replaced by "g", since "ґ" is not available as a class on most keyboards, and the method of typing through AltGr is practically unknown. Moreover, the letter itself is very rare, and many people are not used to it (it was returned to the alphabet in 1990) https://habr.com/post/124553/