Print From A Q-basic Program In DOS?

My dad runs a Quick-Basic program that does particle-physics calculations. He uses the command prompt to run the program. It worked fine on his old 486 (it printed the results when he hit cntrl+print-screen). Then he bought a windoze box with XP. The program still runs fine, you can see the results whizzing past. It's twenty times as fast. But we can't figure out how to print the results. The Quick-Basic code has print commands in it. They just don't seem to talk to the XP-based print que