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Xerox Nuvera Technology for Image Quality

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Image flow through a digital copier involves a sequence of transformations, from the document original, to a scanned numerical representation, to a processed bitmap, to an exposure map, to a developed, then transferred, and then fused image. Technologies and architecture need to be selected to optimize copy quality, but there are many constraints, such as cost, reliability and productivity, that enter into the selection decision. In this paper we describe the rationale and benefits of the architecture and technologies behind the Xerox Nuvera Production Printing System and Xerox FreeFlow Scanner 665 and image processor. Nuvera print quality is superb due to its xerographic design; however, in this paper we focus on copy quality and the interplay between xerographic and copier image processing design. The key enablers to outstanding copy quality are the 600 spi scan resolution, segmentation and auto-windowing image processing, and a xerographic module that produces high resolution, consistent, uniform, and low-noise images. The system reflects a technology evolution in which different image processing rendering techniques are applied uniquely to each object within a single page so as to take full advantage of the superior xerographic engine.
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Document Type: Research Article

Publication date: 01 January 2005

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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