| 摘要 |
There is provided a developer container, which is divided into a first containing part and a second containing part that are communicated with each other at communication parts on the opposite end sides, which has a discharge port at the second containing part, and in which a developer is contained; a developer carrying member that carries the developer within the developer container to adhere it to the image carrying member; a first conveyance member that conveys the developer in the first containing part of the developer container while agitating it; a second conveyance member that conveys the developer in the second containing part of the developer container while agitating it, and supplies the developer to the developer carrying member; a third conveyance member that is arranged between the second conveyance member and the discharge port; a first driving member that rotary-drives the first conveyance member and the second conveyance member; and a second driving member that drives the third driving member so that its rotation direction can be changed.
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