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Dot gain table and developer voltage prediction for the HP Indigo press

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Color consistency is crucial for both photo and commercial printing applications. Dot gain tables are currently updated sporadically, and between updates colors can shift due to process drift in the press. The goal of this investigation is to dynamically control the dot gain table and developer voltage to ensure more consistent color control while minimizing waste and calibration measurements.

In this article we approach the elements of this calibration process as a series of machine-learning problems and investigate the efficacy of replacing physical calibration measurements with model-based predictions. The current state of the machine, expressed as sensor measurements, are used to model both the developer voltage, and the subsequent dot gain look up table. We also consider models that make a prediction based on a restricted set of calibration measurements, not necessarily including the full machine state vector. Our initial investigation using a preliminary dataset shows that machine learning methods are suitable for predicting the dot gain table.

Document Type: Research Article

Publication date: 2004-01-01

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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