Segui todos os passos que achei em várias dicas na net e nada!
Socorro!!!!
After installing the driver, do this:
sudo modprobe usblp
sudo chown -Rh root:root /usr/local/lexmark
sudo chown -Rh root:root /usr/lib/cups
/etc/init.d/cups restart
gedit /etc/apparmor.d/usr.sbin.cupsd
*****Find:
# FIXME: no policy ATM for hplip and Brother drivers
/usr/bin/hpijs Ux,
/usr/Brother/** Ux,
*****Copy and Past after this:
/usr/local/lexmark/lxk08/bin/printdriver Ux,
/usr/lib/cups/backend/lxkusb Ux,
/usr/local/lexmark/lxk08/bin/lxkusb Ux,
*****Save the file
/etc/init.d/apparmor restart