They use the small flash inside the DRM chip in the cartridge to store the telemetry, then the e-waste companies are paid by HP to read and send to the mothership the contents of the chips sent to recycle
They use the small flash inside the DRM chip in the cartridge to store the telemetry, then the e-waste companies are paid by HP to read and send to the mothership the contents of the chips sent to recycle
https://www.hp.com/us-en/all-in-plan/printers.html
There was some outrage a few years ago, because the printers get bricked if you unsubscribe.