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Experimental and Analytical Study of Dot Gain Between Elastic and Deformable Drums

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Abstract:

During the printing process on liquid electrostatically printing (LEP), liquid ink is transferred from the ink tank to the media passing through a number of drums. First, the ink is transferred to the photoconductor drum, and then the inked image is transferred to the blanket drum by electrical forces, after drying the image on blanket drum it is transferred to the paper. Most of the printed images contain mid tone areas. These areas are composed of screened dots. When a dot is transferred from the photoconductor to the blanket, the dot is squeezed and as a result, the dot size increases. This phenomenon is called dot gain. The dot approximately expanded by 10% during the transfer between the photoconductor and blanket. In this work we present analytical model that simulate dot gain phenomena, a good agreement between analytical and experimental results are shown as well.

Document Type: Research Article

Publication date: 2013-01-01

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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