A binary printer for printing halftone color images on a substrate so that the determination of whether to print a dot or to not print a dot of each color ink at each pixel location is based at least in part upon an estimated temperature of the print head. The temperature of the print head may be estimated...http://www.google.com.au/patents/US6211970?utm_source=gb-gplus-sharePatent US6211970 - Binary printer with halftone printing temperature correction
