发明名称 Image forming apparatus
摘要 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.
申请公布号 US7751106(B2) 申请公布日期 2010.07.06
申请号 US20090641026 申请日期 2009.12.17
申请人 CANON KABUSHIKI KAISHA 发明人 FUJIMORI TAKASHI;KUROKI KENJI;EDA HIROYUKI
分类号 G02B26/08;G03G15/00 主分类号 G02B26/08
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