Texts "Ip" and references to "Jetdirect ip" appear in this program while others
always capitalise IP in internet address context.

#: util/printconf_tui.py:740
msgid "Select the Driver to use with this Queue."

has bogus capitals

#: util/queueTree.py:304
msgid "_Don't save"

The other applications and guides for style generally say to avoid negatives in
actions on buttons. Perhaps this should be "Discard changes"

Other problem for translation is that you don't support metric as well as imperial

Only other changes I made for en_GB are UK English style items ("to which you
will print" versus "to print to" etc)