According to HP, its security updates may "block cartridges using a non-HP chip or modified or non-HP circuitry from working in the printer, including cartridges that work today." Emphasis ours.

HP has issued firmware updates that block printers with such ink cartridges from printing, leading to the above lawsuit (PDF), which is seeking class-action certification.

The printer costs $69.99, however, where HP gets you is with the cost of replacement ink. For example, the replacement HP 63XL tri-color high yield ink cartridge costs $31.99, while the ...

Electronics Tech Culture hp printing Modded cartridge bypasses HP printers' DRM defenses with man-in-the-middle attack HP will not be pleased By Zo Ahmed September 30, 2024 at 6:15 AM 23 comments ...

The printer maker introduced a tweak to its firmware that caused HP printers to reject third-party ink cartridges. This isn’t some freak accident that can be corrected by reloading an ...

Electronics hp printing HP keeps updating its printers to block third-party ink cartridges Bricking some working cartridges in the process By Rob Thubron March 10, 2023, 5:15 AM 23 comments ...