Yup, same thing here, can't set default printer, but I think this may be a CUPS problem. The CUPS web interface gives me an unknown error when trying to set the default printer (not to mention that the web interface doesn't let me log in to perform administrative tasks).
-- setting a default printer does not work https://launchpad.net/bugs/38149 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
