I have the same problem, and I only managed to add a printer by going through gnome cups manager. But even then, the printer won't print, although I see my printer added in the KDE printing dialog along with the printing tasks.
-- Trying to add a printer with kdeprint causes a crash https://launchpad.net/bugs/40695 -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs