Four-Beam Scanning Optical System With a Converting Function of Seven-Level Print Dot Density
Abstract:Multiple-beam scanning optical systems are widely used for high-speed and high-resolution printers. One of the requirements that the printer with several levels of print dot density has is conversion of intervals of scanning lines formed by multiple beams. For this purpose, we developed a converting lens system, which consists of two cylindrical lenses and a spherical lens, and designed a four-beam optical system with a converting function of seven levels in print dot density.
Document Type: Research Article
Affiliations: Research & Development Center Ricoh Printing Systems, Ltd., 1060, Takeda, Hitachinaka-City, Ibaraki-Pref. 312-8502, Japan
Publication date: 2008-03-01
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