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, ...

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 ...

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. Many of these ...

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 ...

When you refill HP color ink cartridges, you also need to reset the cartridge. Each HP color cartridge contains a chip that communicates with the printer. When the ink in the cartridge becomes low, ...

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 ...