# Allow members of group cups to access generic USB printer devices notify 100 { match "system" "USB"; match "subsystem" "INTERFACE"; match "type" "ATTACH"; match "intclass" "0x07"; match "intsubclass" "0x01"; match "intprotocol" "(0x01|0x02|0x03)"; action "chgrp cups /dev/$cdev; chmod g+rw /dev/$cdev"; };