temporary workaround is to do : sudo addgroup cupsys plugdev sudo /etc/init.d/cupsys restart
-- [feisty] USB printers not detected - user "lp" not in group "plugdev" https://launchpad.net/bugs/82187 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
