发明名称 IMAGE FORMING APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of achieving stabilization and uniformization of image density without using a high-accuracy member or a high-strength member. SOLUTION: The image forming apparatus is constituted so that at least three test pattern detection means 30 for detecting density of a predetermined test pattern formed as a visible image on an image carrier 2 are arranged at different positions in a main scanning direction, and a rotating position detection means for detecting the rotating position of the image carrier 2 is included, wherein exposure intensity by an exposure means 7 is controlled based on the density of the test pattern detected by the respective test pattern detection means 30 and the rotating position of the image carrier detected by the rotating position detection means. COPYRIGHT: (C)2009,JPO&INPIT
申请公布号 JP2009186909(A) 申请公布日期 2009.08.20
申请号 JP20080029095 申请日期 2008.02.08
申请人 RICOH CO LTD 发明人 HATTORI YOSHIO
分类号 G03G21/14;G03G15/00;G03G15/01 主分类号 G03G21/14
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