Inkjet printers are cheap to buy, but expensive to run. Replacement cartridges can easily cost double the price of the hardware itself, leading many to decry the technology entirely. However ...

[Eddie], frustrated by the high cost of ink cartridges set out to build ... to hack the chips that told the printers the cartridge was in need of replacement. While the systems he’s using ...

For example, it would be possible to use all of the cyan ink while the magenta and yellow remain full. You’d have to replace the tri-color cartridge wasting two-thirds of the ink. There’s an ...