Dear All,Thanks for the suggestions everyone. I can now print to a local printer on a workstation (and hopefully on ltsp servers - not tried yet)
I found a solution in #462149 that fixed it for me: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=462149 in /usr/lib/cups/backend I chowned parallel and usb to root:lp then chmodded them to 2755 Finally! nigel