Accessing the School's printers
Set the following in your /etc/cups/cupsd.conf
BrowseRemoteProtocols all BrowseAllow all BrowseOrder allow,deny BrowsePoll printhost.cs.bham.ac.uk:631
and comment out any other BrowseAllow/BrowseDeny lines and then type:
sudo killall cupsd
You should have the School printers available in the "Default" tab in the add printer (+) dialog.