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Color, PDF, & OPI … How It Fits Together

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Most prepress companies or print shops use print spool systems and so-called Open Prepress Interface (OPI) servers to optimize their workflow. Helios Software GmbH is a well-known vendor of such software. With the standards set by the International Color Consortium (ICC) and with proper use of the Portable Document Format (PDF), as specified by Adobe, a consistent color managed workflow can now be implemented in server-based environments. The purpose of this article is threefold:

1. There are ongoing discussions about where color matching should happen: in the print client's application, in the RIP of the final output device, or somewhere else? Helios advocates color matching and separation in the print spooler or the OPI system where the final destination of a print job is best known. The article tells why and how.

2. Until recently, PDF could be used for electronic delivery and viewing on screen as well as for black & white printing, but not for color production. However, with proper server-based color matching and PDF support as e.g. with Helios PDF Handshake and Print Preview, perfect color printing of PDF documents on any PostScript device and even to non-PostScript printers like PC ink-jet printers becomes a reality.

3. What makes a good output device a perfect fit in a server-based workflow? The article lists some features which allow smoother and more efficient print production.
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Document Type: Research Article

Publication date: 1998-01-01

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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