Print engine controller for image processing page data

Details Print engine controller for image processing page data Print engine controller for image processing page data

2011-04-26

2011-04-26

Grant, II, Jerome (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003060, C358S003210

Reexamination Certificate

active

07933046

ABSTRACT:
A print engine controller is provided for an inkjet printhead. The print engine controller receives 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 is 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.

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