Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takashi Fujimori0
Hiroyuki Eda0
Kenji Kuroki0
Date of Patent
August 31, 2010
0Patent Application Number
126409780
Date Filed
December 17, 2009
0Patent Primary Examiner
Patent abstract
An image forming apparatus that previously rotates a polygonal mirror drive motor before starting a job and forms a latent image by using an optical scanning unit including the polygonal mirror drive motor is provided. The image forming apparatus includes a control unit configured to perform control such that, in the determination of the presence or absence of each of color toners before a previous rotation is started, if it is determined that any one of the color toners is absent, only the polygonal mirror drive motor corresponding to a black toner is previously rotated.
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