If you use an inkjet printer on a regular basis, probably one of the most loathed aspects of ownership is replacing the ink cartridges when they run out. While the initial purchase price of an inkjet printer is relatively low in the grand scheme of things, the cost of the replacement ink cartridges can often be astronomical.

Take for example

Source: Hot Hardware – HP Allegedly Time Bombs Unofficial Ink Cartridges From Working In Its Printers