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Improving Tone Prediction in Calibration of Electrophotographic Printers by Linear Regression: Environmental, Consumables and Tone-Level Factors

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Environmental and consumable operating conditions have been observed to have significant impact on the color electrophotographic (EP) process. This article 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 the calibration. In this article, 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, consumable and tone-level disturbances. The experimental results show the proposed model is able to improve the prediction accuracy by 30% on average across the Cyan, Magenta, Yellow, and Black (CMYK) primary colors.
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Document Type: Research Article

Affiliations: 1: School of Industrial Engineering, Purdue University, West Lafayette, Indiana 47907 2: Consultant, Eagle, Idaho 83616 3: School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907 4: Hewlett-Packard Company, Boise, Idaho 83714 5: School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907

Publication date: 2010-09-01

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  • The Journal of Imaging Science and Technology (JIST) is dedicated to the advancement of imaging science knowledge, the practical applications of such knowledge, and how imaging science relates to other fields of study. The pages of this journal are open to reports of new theoretical or experimental results, and to comprehensive reviews. Only original manuscripts that have not been previously published, nor currently submitted for publication elsewhere, should be submitted.

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    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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