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Ef cient Estimation of Critical Transfer Belt Parameters from an Electrical Characterization Fixture

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Intermediate transfer belts represent an important technology component of the two-transfer systems commonly found in color laser printers. A number of mechanical and electrical properties contribute to the performance of intermediate transfer belts in these systems. Of these, resistivity and dielectric permittivity are two of the most critical electrical properties and are related to the bulk properties resistance and capacitance, respectively. Accurate measurement and specification of these electrical properties is important to the design of two-transfer systems.

Recently, an electrical characterization method for intermediate transfer belts was published [1], where the resistance and capacitance were determined from amplitude and phase measurements of an applied A.C. voltage. We report on implementation of and improvements to the previously published method. It was found that the previous implementation did not make efficient use of all measured data. We derive a more efficient and robust estimator for the resistance and capacitance of a transfer belt based on measurements of gain and phase. We also performed a gauge repeatability and reliability study of the fixture. Our approach represents a significant refinement of the previously published characterization approach for intermediate transfer belts.

Document Type: Research Article

Publication date: January 1, 2009

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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