Electronics for Imaging Gmbh

Tr Systems, Inc.

Datapoint Corporation

Colorocs Corporation

Michael W Barry

E Neal Tompkins

Francis A Rowe

Jack N Bartholmae

Peter A Zuber

Michael David Raines

Robert Gregory Pennington

Thomas C Arends

Kevin John O'Neill, Jr

Matthew David Shumaker

Elliot Neal Tompkins

Jeffrey Pitts Dockman

Kevin M Hoffman

Carlos A Espinosa

Neal E Tompkins

E Neil Tompkins

Kim K Riley

A method and apparatus is disclosed for color balancing page data, from a variety of input sources having non-consistent device color profiles, among a plurality of individually accessible print engines arranged in a system for color printing multiple copies of multiple page documents. Input page data is converted to a common color space, rasterized and routed to a selected print engine. Page data routed to each marking engine is color balanced to the selected marking engine where at least a portion of the color balancing occurs following the rasterizing of the page data.

Method and apparatus for providing a color-balanced multiple print engine

Methods and apparatus are provided for processing a print job including a plurality of raster image processed pages. A tab page is created that includes a tab image located at a predetermined position in the tab page, the predetermined position associated with a tab position on tab stock. The tab page is raster image processed, and the rasterized tab page is inserted at a selected position in the print job. The tab image is detected on the rasterized tab page at the predetermined location, and then the rasterized tab image is positioned at the associated tab position.

Methods and apparatus for inserting tabs in a print job

The toner in the toner cartridge is determined by taking each of the rasterized images output by the RIP and evaluating the pixel levels over the surface thereof. The average value is determined as a percentage of the maximum toner that can be applied to the page. This is then subtracted from a toner value and a remaining toner level determined. Further, all pages of the rasterized document can be evaluated to predetermine the toner level after printing. If this falls below a predetermined minimum, printing is inhibited for that document.

Methods and apparatus for determining toner level in electro-photographic print engines

Methods and apparatus are described for routing page data of a print job to printers in a multi-engine printing system based on print job parameters associated with the page data. One or more virtual printers are configured, each with a plurality of individual print engines, each having associated printing characteristics. Page data of the print job are rasterized and stored as bit-mapped images in print buffers associated with the multi-engine printing system. The bit-mapped images are distributed to select ones of the print engines based on matching the print job parameters of each bit-mapped image with the printing characteristics of the print engines to be selected.

Methods and apparatus for routing pages to printers in a multi-print engine as a function of print job parameters

A multiple print engine configuration allows a plurality of workstations to create individual print jobs and then transfer them to a distributing processor. The distributing processor spools the jobs in a print spooler and then performs a software raster image processing ('RIP') operation on the print jobs. The RIP operation divides the jobs into multiple individual jobs which are stored in a page buffer. An image task manager in conjunction with an engine manager selectively s the RIPed pages to multiple print engines.

Apparatus and methods for selectively distributing print pages in multiple print engine systems

Apparatus and methods for distributing print jobs. A print job is generated at an application node of a network, and has associated therewith print parameters. The print job is routed to a distribution node on the network. The parameters are then parsed from the generated print job and the print job parameterized with predetermined metrics that are a function of at least one of the parsed parameters. The parameterized print job is then routed to a destination device on a destination node on the network.

Apparatus and methods for distributing print jobs

Method and apparatus for determining toner level in electrophotographic print engines

A method and apparatus for routing page data of a print job to the printers in a multi-print engine based on print job parameters associated with the page data of the print job is disclosed. One or more virtual printers are configured, each with a plurality of individual print engines, each having associated printing characteristics. Page data of the print job, downloaded form a print file and having the print job parameters associated therewith, is rasterized and stored as bit-mapped images in print buffers associated with the multi-engined printing system. The bit-mapped images are distributed to select ones of the print engines based upon matching the print job parameters of each bit-mapped images with the printing characteristics of the print engine to be selected.

Method and apparatus for routing pages to printers in a multi-print engine as a function of print job parameters

Method and apparatus for distributing print jobs. A print job is generated at an application node of a network, and has associated therewith print parameters. The print job is routed to a distribution node on the network. The parameters are then parsed from the generated print job and the print job parameterized with predetermined metrics that are a function of at least one of the parsed parameters. The parameterized print job is then routed to a destination device on a destination node the network.

Method and apparatus for distributing print jobs

Method and apparatus for inserting tabs in a print job. A method for inserting tab sheets in a print job is disclosed. First, a position is selected within a document to insert a tab sheet, which document includes a plurality of sheets each with a document defined image space associated therewith. A tab sheet is then created as a rasterized tab sheet image that has a rasterized tab specific image disposed in a predetermined location on the rasterized image. The created tab image is then inserted in the document after rasterizing thereof in the selected position.

Method and apparatus for inserting tabs in a print job

A multiple print engine configuration allows a plurality of workstations to create individual print jobs and then transfer them to a distributing processor. The distributing processor spools the jobs in a print spooler and then performs a software RIP on the print jobs. The RIP process divides the jobs into multiple individual jobs which are stored in a page buffer. An image task manager in conjunction with an engine manager selectively distribute the RIPed pages to multiple print engines. For duplex printing, one of the odd or even RIPed pages are sent to a select one of the print engines for printing on an imaging receiving media, and a sequentially adjacent one of the even or odd RIPed pages is subsequently sent to the same print engine for printing on the image receiving media.

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Duluth, GA, United States of America

Michael W Barry