Robotron is the program for printing on printers Robotron, for example Robotron
CM 6329.01 M. In graphics mode these printers print very slow, but for printing
in text mode very specific driver is needed, because these printers have russian
codepage ROM, which looks like KOI-8 table.
Detailed instruction of Robotron printer driver installation in Windows
You can see on Russian version of this page.
Usually it is enough to install "Epson compatible 9 pin" or
"Generic / Text only" printer driver.