First of all, you can downgrade KDE to the official one, but we'll see if KDE is the problem.
What's the output of 'telnet localhost 631' and 'sudo netstat -atp | grep cupsd'? -- Printing broken by Updates of 2006 Aug 1 https://launchpad.net/bugs/55205 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
