Start printers and classes. Note: destination is referred as a printer or a class of printers. See also:
cupsdisable,cupsaccept,cupsreject,lpstat. More information: https://www.cups.org/doc/man-cupsenable.html.
cupsenable destination1 destination2 ...
cupsdisable with --hold):cupsenable --release destination
cupsenable -c destination1 destination2 ...