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Toner Charging Behavior in Mono-Component Developing Process

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Charging behavior of toner in the nonmagnetic mono-component developing process was examined experimentally. A developing unit, which consisted of a developing roller, a supply roller and a doctor blade, was fabricated, and charging characteristics of the toner layer on the developing roller surface was investigated. The influence of CCA contained in the toner on its charging was also studied. It was found that the toner particles were charged mainly when they passed the gap between the doctor blade and developing roller. Although a negative toner was used, some toner particles were charged positively. The fraction of wrong sign toner decreased from 22% to 8% by passing the doctor blade. SEM observation suggested that toner particles of small particle size passed the doctor blade more easily.
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Document Type: Research Article

Publication date: 2001-01-01

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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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