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 ...

HP Inkjet printers have the ability to check the current level of ink in a cartridge. However, some models send false warnings that require an override to print your documents. Affected models sold ...

Paris startup Open Tools launches open-source printer that accepts refillable HP cartridges, ending DRM restrictions and subscription traps.