I have been having this problem as well. I just checked my groups and for some reason I was not part of the lpadmin group. Once I added myself to that group I can add printers with no problem (and no password required either).
-- system-config-printer won't accept password https://bugs.launchpad.net/bugs/152504 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs