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Non-magnetic Mono-component Impression Developing Process with Polymerized Toner of Positive Polarity

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The process used in HL-1240 was developed in optimizing the fine fluidity and the fine tribo-electric charging ability of polymerized toner of positive polarity. These advantages made the combination of the non-magnetic mono-component impression developing process and the cleaner-less developing process possible. Optimization of the materials used for the developing roller and the toner-regulating blade enabled both the fog image and the residual toner on the photoreceptor to become almost nothing. The cleaning roller is unnecessary for HL-1240 under this condition. As the printing speed becomes faster, the residual toner on the photoreceptor increases. When it is up to 25 ppm, the cleaning roller becomes necessary to prevent the ghost image. Furthermore, the cleaning roller improves the durability of the photoreceptor with grinding it moderately. The laser printers produced by Brother Industries, Ltd. are classified into the process with cleaning roller and the process without cleaning roller. These processes are used for the office and workgroup laser printer and the personal laser printer, respectively.

Document Type: Research Article

Publication date: 2004-01-01

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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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