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Effects of Particle Size on Imaging Performance of Chemical Color Toner

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With recent broad acceptance of chemical toner technology in electrophotography, toner particle size in use is becoming dramatically small. Intuitively speaking, smaller toner size enables many printing advantages such as higher image resolution, less toner usage, faster fusing, etc. Surprisingly, however, there is little direct and systematic data in the literature.

As an initial step to build a robust database of the particle size effects on EP performance, especially, of chemical toner, spherical polyester toner particles with five different (volume) average diameters (4.5, 5.8, 6.8, 7.8 and 8.8 microns) were prepared using chemical milling process and an identical external additive formulation was applied to prepare the toner compositions. Their physical characteristics (charging, fusing, particle flow, etc.) were determined. Also, their printing performance characteristics such as color intensity, image uniformity, image defects, toner consumption, etc. were determined using a HP CP1215 printer. The results are then to be interpreted in terms of expanded surface area of smaller size toner.
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Document Type: Research Article

Publication date: 2009-01-01

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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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