| 摘要 |
PROBLEM TO BE SOLVED: To simplify an electrode contact point structure and apply stable developing bias. SOLUTION: In this image forming device performing multiple color development by plural developing devices attached to a rotary body 15, the device is provided with a member 32 to be engaged which is fixed to a shaft of a developing roller 19 of respective developing device, an engaging member 34 disposed on the member to be engaged in attachably/detachably to/from there, a developing roller driving means 27 rotating the above engaging member, and a power feeding member 43 holding the above engaging member in press contact with the member to be engaged side on the front side and the rear side of the developing position. |
