A color ink jet printer including a print carriage movable along a carriage scan axis, a plurality of non-black color printing ink jet printheads supported by the print carriage and offset relative to each other so that their nozzle arrays are non-overlapping along the media scan axis, and a ...http://www.google.de/patents/US5742304?utm_source=gb-gplus-sharePatent US5742304 - Ink jet painter having staggered nozzle array for color printing
Ink jet painter having staggered nozzle array for color printing