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Numerical Simulation on Dynamics of Toner and Carrier Particles in Two-Component Magnetic Brush Development System in Electrophotography

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We have developed a numerical method for calculating the motion of toner and carrier particles in an electrophotographic two-component magnetic brush development system by using a three-dimensional distinct element method. A characteristic feature of this simulation method is that forces applied to toner and carrier particles include not only magnetic but also electrostatic forces involving a time-dependent electric current in the brush of conductive carrier particles. A parallelization technique for numerical computation was adopted in order to reduce the calculation time. The calculation results qualitatively agreed with the experimental observations in that the number of developed toner particles increases with the development voltage, as well as that some carrier particles adhere to the surface of the photoreceptor drum upon application of high development voltage. It is expected that the presented numerical method can be utilized for the improvement of the two-component magnetic brush development system in electrophotography.

Document Type: Research Article

Publication date: 2011-01-01

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  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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