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Optical Layout Design for Minimizing Periodical Image Noise in Color Printing System

[+] Author Affiliations
Wan-Chin Kim

Honam University, Gwangju, South Korea

Paper No. ISPS-MIPE2018-8532, pp. V001T07A003; 3 pages
doi:10.1115/ISPS-MIPE2018-8532
From:
  • ASME-JSME 2018 Joint International Conference on Information Storage and Processing Systems and Micromechatronics for Information and Precision Equipment
  • ASME-JSME 2018 Joint International Conference on Information Storage and Processing Systems and Micromechatronics for Information and Precision Equipment
  • San Francisco, California, USA, August 29–30, 2018
  • Conference Sponsors: Information Storage and Processing Systems Division
  • ISBN: 978-0-7918-5193-7
  • Copyright © 2018 by ASME

abstract

In this study, we present a sync detection optical layout that can reduce the periodic noise of the color printing system. A color printing system which applies tandem type laser scanning unit exposes light onto four photo conductive drums using four laser diodes and a single polygon mirror (PM). In order to reduce the image moire caused by the periodic noise of the shape error of the PM according to the color superposition method, optical analysis on various shape errors of the polygon mirror was performed. In this study, we propose a sync detection layout which can solve the color moire caused by peak-to-valley (PV) shape error of polygonal mirror surface.

Copyright © 2018 by ASME

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