Thanks for the information that you provided in your last few comments. Looking at the output of the commands in #3, it looks like your computer is having trouble communicating with the print server.
If you have a firewall running on your computer this could be blocking outbound and inbound traffic to the print server. Please could you run the following command and attach the output to this bug report. sudo ufw status verbose Thanks -- Unable to connect to CIFS host https://bugs.launchpad.net/bugs/645630 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