Page expansion and printing method incorporating halftoning...

Details Page expansion and printing method incorporating halftoning... Page expansion and printing method incorporating halftoning...

2007-12-04

2009-12-29

Grant, II, Jerome (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S002100, C358S002990

Reexamination Certificate

active

07639397

ABSTRACT:
Provided is a page expansion and printing method for a pagewidth inkjet printer. The method features the step of receiving a page description having a bi-level black layer and a contone CMYK (Cyan Magenta Yellow black) layer from a host and storing said page description in a memory. The method also includes the steps of decompressing the respective layers in parallel, halftoning the contone CMYK layer to bi-level CMYK, compositing the bi-level black layer over the bi-level CMYK layer, and transmitting the image to a memory buffer for printing by the pagewidth printer.

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