NM connects to wired and wireless at the same time. No problem. Your system can't find the printer because it doesn't have the write routing configuration. You will have to add that information in Edit Connections....
** Changed in: network-manager (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/591686 Title: Network manager shows both wired & wireless connected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/591686/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs