temporary workaround is to do : sudo addgroup cupsys plugdev sudo /etc/init.d/cupsys restart
** Changed in: udev (Ubuntu) Importance: Undecided => High Status: Unconfirmed => Confirmed -- Permissions on /dev/usblp* don't agree with cupsys https://launchpad.net/bugs/76077 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs