376
Man-in-the-Middle PCB Unlocks HP Ink Cartridges
(hackaday.com)
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this post was submitted on 01 Oct 2024
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I've had the same HP printer since around 2016? Don't use it much, but it comes in handy when it's needed. First time I ran out of ink I shopped around for the best deal and ended up with some other ink brand. Dumb me decided to update the printer when I got the ink. Boom it denied me the ability to use it now... it took me a few hours of trying to find exactly how to downgrade the firmware back to a previous version so I can use the dam ink I brought! I was thrilled when that worked. I then set it's IP to static and removed the gateway. Now, no matter what it can't reach home and know it needs an update at all. I almost can't wait till the day this stops working so I can invest my money into whatever few brands that don't screw you.
Laser is your long term answer. Brother seems to be the brand today.
Those eco tank printers seem alright
Not sure about the Eco tank line, but the smart tank line botched the IPP interface. Ink level reporting is always wrong and printer status is regularly wrong. Exposed settings are limited to push people to the app.
I had to mess around with my ET and compile a driver (nothing pre-packaged for aarch64) in order to get CUPS to play nice with it. The network implementation is garbage so, it's been nice having a pi print server.
That's way more work than it should be. Well played, though