The present invention relates to a modular printhead for a color printer. The printhead includes a plurality of nozzles each of which has an ink supply port, an ink deposition port and a firing control port to receive signals to cause deposition of an ink dot from the deposition port (firing) during...http://www.google.de/patents/US6450605?utm_source=gb-gplus-sharePatent US6450605 - Modular printhead and methods of loading and printing using it