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The study of the difference of toner-motion among several development systems

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The development system in electrophotography had been numerically investigated using a three-dimensional dynamic model. The simulation of the toner dynamics in the development process was carried out using the Finite Difference Method (FDM) for the electric field calculation, the superposition method for the magnetic field and the Distinct Element Method (DEM) for the calculation of particle motion in the development area. A nonmagnetic development system, a magnetic single-component development system and two-component development system were analyzed with these methods. The parameters of the development process for numerical simulation were possibly the same values for the development systems. The followings were deduced from this study. (1) The difference of particle charge distributions made the characteristic among individual development systems. (2) A nonmagnetic development system was most influenced by the space charge limit. (3) The toner chain of the magnetic single-component development system made a contribution to increasing the number of effective toner for development. (4) Toner motion in the twocomponent development system was controlled by the chargebalance of toner and carrier particles.

Document Type: Research Article

Publication date: January 1, 2008

More about this publication?
  • 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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