| 摘要 |
An image forming apparatus includes a main body; a photosensitive member on which a latent image is formed; a cartridge detachably attached to the main body and accommodates a developing agent therein; a developing roller provided at the cartridge, the developing roller being movable between a first position where the latent image is developed and a second position where development is not performed; a support shaft that rotatably supports the developing roller; and a separation member that moves the developing roller from the first position to the second position by engagement with the support shaft.
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