发明授权
- 专利标题： Image forming apparatus and image density control method
- 专利标题（中）： 图像形成装置和图像浓度控制方法
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申请号： US12246601申请日： 2008-10-07
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公开(公告)号： US08027605B2公开(公告)日： 2011-09-27
- 发明人: Nobutaka Takeuchi , Shin Hasegawa , Hitoshi Ishibashi , Shuji Hirai , Kohta Fujimori , Kayoko Tanaka , Yushi Hirayama , Akira Yoshida
- 申请人： Nobutaka Takeuchi , Shin Hasegawa , Hitoshi Ishibashi , Shuji Hirai , Kohta Fujimori , Kayoko Tanaka , Yushi Hirayama , Akira Yoshida
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2007-276563 20071024
- 主分类号： G03G15/10
- IPC分类号： G03G15/10 ; G03G15/08
摘要：
An image forming apparatus and an image density control method for controlling image density in the image forming apparatus, involving adjusting a toner concentration control reference value in accordance with an amount of the toner replaced in a developing device so as to adjust the image density to maintain a consistent developability and changing image forming intervals in accordance with an amount of the toner replaced in the developing device during continuous printing operation.
公开/授权文献
- US20090110413A1 IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD 公开/授权日：2009-04-30