greyface- 4 minutes ago

The same SET USER 640184.571119 command works on my 2012 Brother MFC-9460CDN.

amstan 13 minutes ago

I can't tell if any of this gives you more access than the normal http admin interface.

devy 30 minutes ago

Great write up and reverse engineering of firmware! I hope to see Epson MFC inkjet printers to have similar discovery too (perhaps it literally a prompt away with a link to this article).