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2,540 dpi Full Color Image Creation with a Liquid Electrophotography System

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Extremely high-resolution images have been obtained by an electrophotographic imaging system using liquid toner. This system includes a high-resolution Laser Scanning Unit (LSU) with a 2,540 dpi resolution, and an image transfer system that does not use electrical energy. We examined the characteristics of high-resolution image creation, in particular the relationship with laser beam focusing and laser power to obtain the optimized parameter value of the LSU. The image pattern from this system was confirmed to be accurate according to the resolution. Furthermore, an examination of the noiseless transferability of “shearing transfer” showed the accuracy of the created image was due not only to the development process, but also to the transfer process. We attempted to print a full-color image with this system, and obtained a real 2,540 dpi color image, which is equal in quality to that produced by offset printing.
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Document Type: Research Article

Publication date: 01 January 2003

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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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