I am unable to backup to my Time capsule and print when the firewall is on
This may be best answered by Technical Support, or our Forum Tech whom is a Tech 2.5 himself.
It might be appropriate for this discussion to be moved to the Mac Community, to garner more attention/Assistance.
Volunteer Moderator 1
Moved to MAC Products. Yes Tech Support is probably best in this case as we have no MAC experts on the forum at the moment.