You don't need printer security
http://blog.erratasec.com/2017/02/you-dont-need-printer-security.html [blog.erratasec.com]
2017-02-21 17:49
The features HP describes are snake oil. If they worked well, they’d still only address a small part of the spectrum of attacks against printers. And, since there’s no technical details or independent evaluation of the features, they are almost certainly lies.