Common UNIX Printing System
chown -R :lp /etc/cups
[ ! -e /var/cache/cups ] || chown -R :lp /var/cache/cups
[ ! -e /var/cache/cups/help.index ] || chown lp /var/cache/cups/help.index
[ ! -e /var/cache/cups/ppds.dat ] || chown lp /var/cache/cups/ppds.dat
[ ! -e /var/spool/cups ] || chown -R :lp /var/spool/cups