HP Updates Firmware, Blocks Its Printers From Using Cheaper Ink Cartridges from Rivals

Hewlett-Packward printers recently got a firmware update that "blocks customers from using cheaper, non-HP ink cartridges," reports the Telegraph:Customers' devices were remotely updated in line with new terms which mean their printers will not work unless they are fitted with approved ink cartridges. It prevents customers from using any cartridges other than those fitted with an HP chip, which are often more expensive. If the customer tries to use a non-HP ink cartridge, the printer will refuse