| 摘要 |
An electrophotographic image forming apparatus is provided with a developer collecting device which collects developer removed from an image bearing member and an intermediate transfer body by a cleaning section. The developer collecting device comprises a positioning frame for determining a mounting position of the image bearing member onto an image forming apparatus main body; a waste developer container detachably mounted on the positioning frame 4, for accommodating waste developer collected by the cleaning section; and an integrated container detection section for detecting whether or not the waste developer container is mounted on the positioning frame and whether or not the waste developer container is filled up with the waste developer.
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