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发明授权
CN100595687C 图像形成设备 失效 - 权利终止

图像形成设备
摘要：
本发明涉及一种图像形成设备，其中，启动感光鼓(21、22、23和24)的旋转，并通过转印辊驱动单元来设定全彩模式，用来利用曝光单元(11)进行曝光。当设定为全彩模式时，转印带(25)与所有感光鼓(21、22、23和24)相接触。然后，在纸张P通过辅转印辊(57)之后，通过转印辊驱动单元来设定全分离模式，并停止感光鼓(21、22、23和24)的旋转。当设定为全分离模式时，转印带(25)与所有的感光鼓(21、22、23和24)相分离。
摘要（英）：

Rotation of photosensitive drums (21, 22, 23 and 24) is started and a full-color mode by a transfer roller drive unit is set for the exposing by an exposing unit 11. When the full-color mode is set, atransfer belt (25) contacts all the photosensitive drums (21, 22, 23 and 24). Then, after a paper sheet P passes through a secondary transfer roller (57), an all-separate mode by the transfer rollerdrive unit is set, and the rotation of the photosensitive drums (21, 22, 23 and 24) is stopped. When the all-separate mode is set, the transfer belt (25) separates from all the photosensitive drums (21, 22, 23 and 24).

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