It’s a well-known secret that inkjet ink is being kept at artificially high prices, which is why many opt to forego ‘genuine’ manufacturer cartridges and get third-party ones instead.

A refilled HP ink cartridge has been demonstrated ... Printers now need to detect these embedded chips before recognizing the cartridges; so, third-party-ink makers resorted to refilling old ...

This detects non-HP ink or toner cartridges, even those that are fully functional and previously worked, blocking any that aren't using HP's security chip or circuitry. HP claims Dynamic Security ...