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Experimental Characterization of Transient Tone Deviation in Print Jobs for Color Electrophotography

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Print quality tests using off-the-shelf color electrophotographic printers revealed systematic tone fluctuations among the first several pages in print jobs after idle periods as short as 1 min, under certain environmental conditions. It can be shown that the tone values on the first few pages of a print job after 1 min of idle are statistically different from the tone values on the other pages of the same job. In the mid-tone ranges, the mean tone value difference between pages can differ by 4 ΔE76 units under low temperature and low humidity conditions. This article presents an experimental approach to characterize this type of transient tone deviation in a print job for tone consistency control and improvement. A first-order difference model is employed to approximate the transient tone deviation. The resulting model can accurately predict the transient tone deviation over pages to within 1.3 ΔE76 units, based on cross-validation.

Document Type: Research Article


Affiliations: 1: Department of Bio-Industrial Mechatronics Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei 106, Taiwan 2: Department of Industrial Management, National Taiwan University of Science and Technology, No. 43, Sec. 4, Keelung Road, Taipei 106, Taiwan 3: School of Industrial Engineering, Purdue University, 315 N. Grant St., West Lafayette, Indiana 47907 4: Consultant, Eagle, Idaho 83616 5: School of Mechanical Engineering, Purdue University, 585 Purdue Mall, West Lafayette, Indiana 47907 6: School of Electrical and Computer Engineering, Purdue University, 465 Northwestern Ave., West Lafayette, Indiana 47907

Publication date: March 1, 2012

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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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