The method and apparatus of the present invention increases the color fidelity and precision for controlling a plurality of cartridges that emit an extremely wide variety of colored ink droplets from twelve (12) high resolution ink jet print cartridges, or pens, onto unique printing substrates during...http://www.google.com/patents/US6419340?utm_source=gb-gplus-sharePatent US6419340 - Method for automatically forming ink and media-dependent color transforms for diverse colored inks and ink types, validating color gamut, and applying said inks