| 摘要 |
A developing apparatus is equipped with a developing container accommodating a developer including a toner and a carrier to develop at a developing position an electrostatic image formed on an image bearing member, a rotor for rotating the developing container in a path including the developing position, and a developer replenishing container for replenishing the developing container situated at the developing position by said rotor with the developer. An opening is provided on a side surface of the developing container, which allows surplus developer to spill out of said developing container situated at said developing position by said rotor. The apparatus is further equipped with a recovering container and a member for opening/closing the opening mentioned above. The recovering container recovers the surplus developer discharged from said opening utilizing a rotational motion of said rotor.
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