摘要 |
A developing device for developing an electrostatic latent image electrostatic latent image formed on an electrophotographic photosensitive member, the developing device is mountable to a main assembly of an electrophotographic image forming apparatus, the developing device includes a developing member for developing the electrostatic latent image formed on the electrophotographic photosensitive member; a first developer accommodation portion for accommodation a developer comprising toner and carrier to be used for developing the electrostatic latent image; a second developer accommodating portion for accommodating a developer including the toner and the carrier to be supplied to the first developer accommodation portion, wherein the second developer accommodation portion, wherein the second developer accommodation portion is provided with an openable discharge opening, and by opening the discharge opening, the developer accommodated in the second developer accommodation portion is supplied into the first developer accommodation portion; a supply opening for supplying the toner to the first developer accommodation portion.
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