| 摘要 |
An image forming apparatus has a plurality of developing devices for developing an electrostatic image formed on an image bearing member, and a rotary member holding the plurality of developing devices and rotated in a route including a developing position, the rotary member selectively positioning any one of the developing devices at the developing position. Each of the plurality of developing devices has a plurality of developer carrying members carrying a developer thereon and carrying the developer to the image bearing member.
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