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Modeling of Tone Deviation during Switch-on Transient for Color Electrophotography

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Transient tone fluctuations after switch-on have been observed in color electrophotographic (EP) printers. This paper presents preliminary results of using regression analysis to model the behaviors and to identify the key contributing factors. A pilot study using off-the-shelf color EP printers revealed systematic deviation in tone reproduction during the switch-on transient under certain environmental conditions. It can be shown that the tone values reproduced during the switch-on transient are statistically different from the tone values reproduced during continuous printing after the switch-on transient has ended. In the mid-tone areas, the tone values of the first page printed after switch-on and the mean tone values of the pages printed during continuous printing can differ by four ΔE76 units under low temperature and humidity conditions. Analyses of experimental data showed that number of pages printed after switch-on and halftone levels are statistically significant factors in modeling tone deviation. The resulting regression model can accurately predict the switch-on transient deviation to within one ΔE76 unit based on cross-validation.
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Document Type: Research Article

Publication date: 2009-01-01

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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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