HP has new incentive to stop blocking third-party ink in its printers Members of the International Imaging Technology Council (Int’l ITC) are calling out HP for issuing firmware updates that [brick third-party ink][1] and toner functionality in its printers. HP calls this Dynamic Security and has been doing it [for years][2]; however, the Int'l ITC is taking new issue with the practice, considering that it is explicitly prohibited for devices registered under the General Electronics Council’s (GEC’s) Electronic Product Environmental Assessment Tool (EPEAT) 2.0 registry. The Int’l ITC is a nonprofit trade group that [says][3] it represents North American “toner and inkjet cartridge re-manufacturers, component suppliers, and cartridge collectors." It’s important to note that the Int’l ITC may be considered biased because its members could greatly profit when printer manufacturers commit to supporting aftermarket cartridges in devices. [Read full article][4] [Comments][5] [1]: https://arstechnica.com/gadgets/2025/03/firmware-update-b… [2]: https://arstechnica.com/information-technology/2016/09/hp… [3]: https://i-itc.org/history/ [4]: https://arstechnica.com/gadgets/2026/03/hp-has-new-incent… [5]: https://arstechnica.com/gadgets/2026/03/hp-has-new-incent… https://arstechnica.com/gadgets/2026/03/hp-has-new-incent…