| 摘要 |
<p>A developer supply container for supplying a developer to a process cartridge detachably mounted to an electrophotographic image forming apparatus, the process cartridge containing an electrophotographic photosensitive drum and a charging member for charging the drum, the developer supply container includes a developer accommodating portion for accommodating a developer; a developer supply opening for supplying the developer accommodated in the developer accommodating portion to the cartridge; a container closing member movable between a closing position in which it closes the developer supply opening and an open position in which it is retracted from the closing position to open the developer supply opening; a first container guide provided at one end with respect to a longitudinal direction of the along the longitudinal direction of the developer supply container, the first container guide being capable of being guided by a main assembly guide provided in the apparatus; a second container guide provided at the other end with respect to a direction crossing with the longitudinal direction along the longitudinal direction of the developer supply container, second container guide being capable of being guided by a main assembly guide provided in the apparatus; container force receiving portion for receiving, a force for opening the supply opening by movement of the closing member from the closing position to the opening position by engagement with a cartridge engaging portion provided in the cartridge mounted to the apparatus; and a first container positioning portion, provided at a leading end, the first container positioning portion being engageable with a first main assembly positioning portion provided in the apparatus, wherein the developer supply container, the first container positioning portion is positioned by the first main assembly positioning portion, and the developer supply container is positioned relative to the apparatus by the first container guide and the second container guide being supported by the main assembly guide at a trailing edge side with respect to the mounting direction.</p> |
