Patent ID: 7933046
Filing Date: 2011-04-26
Classification: B41J,G03G,G06F,G06K,H04N

Abstract:
1. A print engine controller for an inkjet printhead, the print engine controller comprising: a processor for receiving page data representing a page to be printed, the page data having a bi-level black layer in a compressed format and a contone layer in a compressed format, the processor configured to: decompress the bi-level black layer and the contone layer of the page data; halftone the decompressed contone layer to form a bi-level cyan, yellow, magenta, and black (CYMK) layer; composite the decompressed bi-level black layer over the bi-level CYMK layer to form a bi-level CYMK image of the page to be printed; and carry out processing operations for printing the CMYK image.