1. Apparatus for printing a color image on a printing medium, by construction from individual inkdrops formed in a pixel grid of multiple rows and columns; said apparatus comprising: inklet printing means for forming inkdrops on such medium using at least partially overlapping swaths; means for establishing a generally randomized printmask; and means for applying the generally randomized printmask to control the inklet printing means, wherein: the printmask is an eight-by-eight "knight" pattern.