>I've been having trouble printing with my pentium onto a postscript
>printer.  The printer will print a few pages and will then report a
>postscript error.  This seems to indicate to me that the driver is
>sending some bad data out the parallel port.  This will happen if am
>using lpr or just cat'ing into the device.
>
>Any thoughts?

Are you using the interrupting parallel port driver?  (lpt0).  If so, then
use the polled parallel port driver.  AFIAK, no i386-based Unix has a
working interrupt-driven parallel port driver (I'm pretty sure the Linux
and FreeBSD ones are all polled).  If I'm wrong, I'd love to hear about
it!

--Ken