> I was using Ubuntu on my laptop, and it worked great. But... I have moved to BT4R1.
That's nice, but BackTrack isn't a general purpose distribution. So (IMHO) it cannot replace ubuntu (in this case) for daily necessities.
> I just got a new printer (Brother DCP-7040), and it seems to be recognized when I go to system>hardware>printer. It's connected by usb. It doesn't seem to print.
I'm sorry but BT doesn't support printers. For this reason you need a general purpose distro.