发明名称 IMAGE FORMING APPARATUS
摘要 An image forming apparatus includes a plurality of image bearing members; a belt for receiving toner images from the image bearing members and for transferring the toner image onto a transfer material; a controller for driving the image bearing members; and wherein the image forming apparatus is operable in a monochromatic mode in which the toner image is formed only on a predetermined one of the image bearing members, and no image is formed on the other image bearing member, wherein in a operation in the monochromatic mode, the controller starts to drive the plurality of image bearing members in synchronism with each other in a state that the other image bearing member is spaced from the belt, and the predetermined image bearing member is in contact with the belt.
申请公布号 US2014314431(A1) 申请公布日期 2014.10.23
申请号 US201414259195 申请日期 2014.04.23
申请人 CANON KABUSHIKI KAISHA 发明人 Morihara Ryo;Kume Takao;Takayama Toshihiko
分类号 G03G15/00;G03G15/01 主分类号 G03G15/00
代理机构 代理人
主权项 1. An image forming apparatus comprising: a plurality of image bearing members; a belt for receiving toner images from said image bearing members and for transferring the toner image onto a transfer material; and a controller for driving said image bearing members; wherein said image forming apparatus is operable in a monochromatic mode in which the toner image is formed only on a predetermined one of said image bearing members, and no image is formed on the other image bearing member; wherein in a operation in the monochromatic mode, said controller starts to drive said plurality of image bearing members in synchronism with each other in a state that said other image bearing member is spaced from said belt, and said predetermined image bearing member is in contact with said belt.
地址 Tokyo JP