| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem that a driving system for driving the developing sleeve of a developing device is not smoothly engaged/disengaged in the case that the accuracy of the driving system is made high when trouble is caused in a mechanism for engaging/disengaging the driving system in attaching/ detaching the developing device and the accuracy of the driving system must be made low in order to smoothly engage/disengage the driving system. SOLUTION: A driving gear on an image forming device main body side is retreated in the midst of movement of the developing device at the time of attaching the developing device. |
