I have updated my 64 bit Suse installation to 11.3 and printing stopped working. Part of this was down to problems with the Turboprint cups files locations being in /usr/lib64/cups not /usr/lib/cups where cups expected them to be, but once that had been sorted I got entirely black printouts from the printer.

This was resolved by replacing the installed ghostscript library with the later one here http://download.opensuse.org/update/...1.1.x86_64.rpm, I found out about this from a link the Turboprint people gave me: https://bugzilla.novell.com/show_bug.cgi?id=603131