Liquid Toner Electrophotography for 2540dpi High Resolution Image

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  • リアル2540dpiを実現する液体トナー電子写真技術
  • リアル 2540dpi オ ジツゲン スル エキタイ トナー デンシ シャシン ギジュツ

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Abstract

Extremely high-resolution images have been obtained by an electrophotographic imaging system using liquid toner. This system includes a high-resolution Laser Scanning Unit (LSU) with a 2540dpi resolution, and an image transfer system that does not use electrical energy. We examined the characteristics of highresolution image creation,in particular the relationship with laser beam focusing and laser power to obtain the optimized parameter value of the LSU. The image pattern from this system was confirmed to be accurate according to the resolution. Furthermore, an examination of the noiseless transferability of “shearing transfer” showed the accuracy of the created image was due not only to the development process, but also to the transfer process. We attempted to print a full-color image with this system, and obtained a real 2540dpi color image, which is equal in quality to that produced by offset printing.

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