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Dynamic Electronic Circuit Model for an Emerging, High Quality Liquid Electrophotographic Process

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An accurate analog electronic circuit model of a high quality liquid electrophotographic process is presented. The critical static and dynamic electrical material characteristics were measured experimentally, and programmed into the dynamic model. The process is then “run on the computer,” revealing important and subtle process characteristics and parameters which are otherwise not measurable. The process model is refined through iterative cross-checking with the physical process so that all of the experimentally measurable electrical parameters are in agreement with the analog circuit model parameters. The power of such an accurate dynamic model lies in its ability to investigate on the computer, rather than in custom hardware, with reasonable confidence: 1. different experimental arrangements, varying considerably from the initial physical embodiment, 2. dramatically different speed regimes, for future embodiments, 3. various internal dynamic voltages, currents and fields, within development “nips,” photoreceptor layers, etc., which are inaccessible to normal, experimental “observation,” and 4. possible future problem areas, along with various alternatives.

For example, the process model was used to investigate accurately, a new high speed design for more than a year before the experimental hardware was available, providing important design changes before the hardware was “off the drawing board.”

Document Type: Research Article

Publication date: January 1, 1998

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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