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 ...

HP Inc. has settled a class action lawsuit in which it was accused of unlawfully blocking customers from using third-party toner cartridges - a practice that left some with useless printers – but ...

HP also now provides disclaimers on the product pages for most of the printers that it sells, stating that the device “is ...