You can configure the choice of CUPS backends to be used with sudo dpkg-reconfigure cupsys
Note that package updating keeps the current configuration, so you need to activate the backends manually, even if you update the cupsys package. -- Confinguration of Network-based printer unclear https://launchpad.net/bugs/80798 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs