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Digital Proof Systems: Are Sublimation Devices Compatible With ISO 12647-2 Standard?

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A set of Rainbow™ sublimation proof devices are studied on both densitometric and colorimetric points of view. Their performances are compared to two kinds of references: a classical Matchprint™ analog proof system, and a set of quadrichromic inks as they are presented in the ISO 12647-2 standard for offset lithographic processes through main quality criteria (solid optical density and dot gain with respect to five typical papers). The study begins by a presentation of the data content of the ISO standard 12647-2 which will be useful for the experimental investigations.

As a first preliminary work, densitometric measurements are made on a set of typical offset primary inks on two different papers. A second set of experiments leads to the densitometric and colorimetric characterization of the analog and digital proofers. It is recognized that there are no significant deviations among the digital devices. By considering the color gamuts of all the systems in the L*a*b* space, we show that their calibration slightly lower their performances, but the main result is that these performances largely fullfill the requirements of the ISO standard for offset printing.

Document Type: Research Article

Publication date: January 1, 1999

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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