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Parametric Investigation on Dynamics of Toner and Carrier Particles in Electrophotographic Two-Component Magnetic Brush Development System Using Direct Observation Technique and Numerical Simulation

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The author has studied the dynamics of toner and carrier particles in a two-component magnetic brush development system used for electrophotography using a direct observation technique and numerical simulation method. We have manufactured a mock-up apparatus consisting of a pseudo-photoreceptor drum, development sleeve, and stationary magnetic roller. The image was created on an insulated film electrode pasted onto the drum. The behavior of the toner and carrier particles has been observed directly using a high-speed microscope camera and calculated using 3D distinct element method that includes the calculation of the magnetic interaction force and the transient electric conduction in carrier chains. Parameters for the experiment and calculation were the diameters of toner and carrier particles, toner/carrier concentration, development gap, development voltage, speed ratio between the photoreceptor drum and development sleeve, waveform and magnitude of superposed ac development voltage, and distribution of magnetic field created by the magnetic roller. Optimum conditions for realizing high image quality printing have been proposed considering all the various factors together.
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Document Type: Research Article

Publication date: 2012-01-01

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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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