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