Xerox Corporation

Richard T Lauria

Kitty Sathi

Keith A May

Thomas B Zell

Lillian-Liu Hsu

Mark C Biondi

David A Catapano

Gary Padlipsky

Andrew D Post

A printing system for making prints from a stream of image data written in a printer page description language is provided. The stream of image data includes a compressed bitmap having break entries dividing the bitmap into a plurality of image data segments. The printing system includes an arrangement for separating the compressed bitmap from the stream of image data and a boundary code catcher, which communicates with the separating arrangement, for creating a table to list the break entries of the bitmap. A memory section is employed to store the bitmap with its corresponding break entry table, and a plurality of imaging channels, which communicate with the memory section, are employed to decompress selected segments of the bitmap in parallel.

Apparatus and method for parsing a stream of data including a bitmap and

An electronic printing system prevents printing failures and interruptions associated with the inability of an image generation subsystem to generate a page image in digital form in real-time by reviewing the page contents prior to submission to the image generation subsystem. The quantity, size, geometry and location of objects on a page are analyzed to generate an internal intermediate description of the page. A determination is made if sufficient resources exist to perform real-time imaging. If real-time imaging cannot be performed, the page will be automatically simplified before the job containing the page is submitted for printing.

Determining the complexity of a page prior to a print attempt

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Penfield, NY, United States of America

Richard T Lauria