As long as the AppArmor configuration for CUPS is not fixed yet, please run the command line
sudo aa-complain cupsd
and USB printing should work again.
As soon as a fixed CUPS package is there, return to the default mode via
sudo aa-enforce cupsd
As long as the AppArmor configuration for CUPS is not fixed yet, please run the command line
sudo aa-complain cupsd
and USB printing should work again.
As soon as a fixed CUPS package is there, return to the default mode via
sudo aa-enforce cupsd