4 ms·
Haha! There was a very similar exploit that could be accomplished on (any?) HP printer connected to the network via TCP/IP using those Jetdirect cards. Essenti
by nicholasjarnold 5y ago
Haha! There was a very similar exploit that could be accomplished on (any?) HP printer connected to the network via TCP/IP using those Jetdirect cards.
Essentially you could send some data over a raw socket connection that would cause the typical `READY` message on the printer's LCD to say whatever you want. It was a lot of fun to change READY to LOW ON CHEESE. IIRC it was a perl script that was floating around the net back then... Good times.
- EvanAnderson 5y agoI enjoyed doing that, too. >smile< My go-to for PJL "exploits" like that was "INSERT COIN".
- shrimp_emoji 5y ago>< as RP delimiters??? In all my years, I've never seen that before.
- EvanAnderson 5y agoNo idea where I picked it up. Looking back at old email I can see that I've been doing it since at least 2004. I'd guess longer but I didn't do a good job logging old forum posts, BBS messages, etc. I only really do >smile< that way. They look like dimples to me and it makes me smile.