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Tone Curve Stabilization for Color Electrophotography

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Color accuracy and consistency is crucial for printing. In order to compensate for fluctuations in consumables and environmental factors associated with electrophotography (EP), calibrations are performed at specific intervals to maintain color quality. During a calibration, color patches are printed on either paper or the transfermedia and EP process parameters are adjusted based on the density measurements of the patches. Since each calibration may require additional time and consumables, it is desirable to increase the interval of calibration as well as to reduce the number of calibration patches. In this paper, an algorithm to improve color consistency while reducing consumable consumption and increasing calibration interval is proposed. The algorithm utilizes statistical model prediction. The proposed algorithm can adapt the EP process to compensate for consumable usage and measurable environmental factors with minimal number of calibration patches. The effectiveness of the proposed algorithm is validated using an off-the-shelf in-line color EP printer under different environmental conditions as well as different consumable usage models.
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Document Type: Research Article

Publication date: 2005-01-01

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  • 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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