@ilna, did you issue all of the following commands?
$ sudo rmmod usblp $ sudo aa-complain cupsd $ sudo chgrp lp /dev/bus/usb/<bus number>/<device number> $ sudo chmod 664 /dev/bus/usb/<bus number>/<device number>
and then add the printer manually through System>Administration>Printing>CTRL+N
@ilna, did you issue all of the following commands?
$ sudo rmmod usblp
$ sudo aa-complain cupsd
$ sudo chgrp lp /dev/bus/usb/<bus number>/<device number>
$ sudo chmod 664 /dev/bus/usb/<bus number>/<device number>
and then add the printer manually through System> Administration> Printing> CTRL+N