Hewlett-Packard on Thursday accused a national cartridge reseller of refilling used printer cartridges with ink that relies on a formula for an HP-patented ink brand. In its letter to Cartridge World, ...

Hewlett-Packard sues two companies that sell refilled ink cartridges, but it stops short of trying to block the refill business altogether. Stephen Shankland worked at CNET from 1998 to 2024 and wrote ...

A refilled HP ink cartridge has been demonstrated using a man-in-the-middle attack to bypass HP’s strict printer ink digital rights management (DRM), which prevents consumers from using generic ...

Hewlett-Packard last year filed patents for an ink cartridge-refilling machine, even though its disposable ink cartridge business ranks among its most lucrative. The U.S.-based firm has no refilling ...

You’ve undoubtedly heard or seen advertisements for businesses that promise to save you money on printer ink cartridges -- one problem, though, according to HP: Refilling doesn't work. Share on ...

What just happened? HP has employed strict digital rights management measures for years to prevent people from using third-party or refilled ink cartridges in its printers. But some hackers have ...

Although HP ink cartridges are intended for one-time use, you can purchase refill kits fairly cheaply which enable you to get extra life out of your existing cartridges and save your company money.