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Improving Tone Prediction Accuracy in Calibration for Color Electrophotography Part I – Environmental and Consumable

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Environmental and consumable operating conditions have been observed to have significant impact on the color electrophotographic (EP) process. This paper presents the results of utilizing operating information to improve the sensor mapping which predicts tone reproduction on printing media based on measurements on substitute media in off-line calibration. In this research, time-series sensor data and color measurements have been collected from off-the-shelf color EP platform printers under a variety of operating conditions. The data analysis shows that the sensor mapping has distinctive behaviors under different levels of relative humidity and cartridge toner consumption. In addition, the sensor mapping has been found to be sensitive to tone level. A new prediction model is proposed to compensate for environmental and consumable disturbances and to capture tone-level-dependent characteristics. The experimental results show the proposed model is able to improve the prediction accuracy by 30% on average.
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Document Type: Research Article

Publication date: 2009-01-01

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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