Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masayuki Aratake0
Naoya Yamasaki0
Shigeru Tsukada0
Shunichiro Shishikura0
Date of Patent
July 15, 2008
0Patent Application Number
113540090
Date Filed
February 15, 2006
0Patent Primary Examiner
Patent abstract
An image forming apparatus includes: an image carrier on which an electrostatic latent image is to be formed; a rotary development unit having a plurality of developer carriers that carry a developer used for developing the electrostatic latent image, the developer including toner, the plurality of the developer carriers being sequentially moved to a development position opposing to the image carrier, to switch a development color; and a toner concentration detection unit that detects the concentration of toner of the developer carried by one of the developer carriers located at the development position.
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