In an output method and output apparatus, one page of text data is divided into portions corresponding to bands of the print image of the page. Each portion of data is serially developed as a high-density image (600 dpi) on a bit map memory, and then is serially printed. One page of graphic data is,...http://www.google.de/patents/US6002848?utm_source=gb-gplus-sharePatent US6002848 - Band-based printing control system
