>I can print to these printers fine, and I can ping them as well.
Well, the 4700dn has a EWS:
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00498146
(And if you can ping, it must be network and not USB. ;-)
I would think if you locked the printers down, it would at least ask you for a password.
The above document may say how to disable the EWS?
