HP is blocking third-party printer ink again

HP is preventing more customers from using third-party ink with their printers. Numerous reports scattered across Reddit, Twitter, and the HP community forum suggest that a recent printer firmware update is blocking the use of non-HP ink as part of the company’s stringent “dynamic security” policy, as first reported by Ars Technica.

First introduced in 2016, dynamic security is part of HP’s cartridge authentication process the company says should “protect the quality of our customer experience, maintain the integrity of our printing systems, and protect our intellectual property.” This means barring the use of ink or toner cartridges that do not contain “new or reused HP chips or electronic circuitry” in some printers, something HP has...

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