发明名称 IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD
摘要 <P>PROBLEM TO BE SOLVED: To provide an image forming apparatus, such as a copy machine, a printer, a facsimile, or a plotter, that detects an image carried by an endless belt-shaped image carrier wound around a plurality of members and that ensures detection accuracy for the image with a groove or the like formed in a member around which the image carrier is wound, and an image control method. <P>SOLUTION: The image forming apparatus includes: an endless belt-shaped image carrier 11 traveling while carrying an image; a plurality of winding members 12Y, 12M, 12C, 12BK, 72, and so forth around which the image carrier 11 is wound; detecting means 88 for detecting the image carried by the image carrier 11 at a predetermined position of the image carrier 11 in the width direction; and tension adjusting means 89 for adjusting the tension of the image carrier 11. At least one of the winding members 12Y, 12M, 12C, 12BK, 72 is a first member 72 having a recess at the predetermined position, and the detecting means 88 detects the image carried by the image carrier 11, with the tension of the image carrier 11 reduced by the tension adjusting means 89, and controls the image to be formed. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012181457(A) 申请公布日期 2012.09.20
申请号 JP20110045711 申请日期 2011.03.02
申请人 RICOH CO LTD 发明人 FUJITA JUNPEI;MINBU RYUICHI;WATANABE YOHEI;SENGOKU KENJI;ICHIHASHI OSAMU;KATO YUJI
分类号 G03G15/01;G03G21/00 主分类号 G03G15/01
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