Patent ID: 7522859

Claim:
A developer cartridge, comprising: a frame including a first side wall and a second side wall, the first side wall and the second side wall extending substantially in a length direction; a developer supplying section for supplying a developer to a photosensitive body cartridge, the developer supplying section extending in a width direction substantially perpendicular to the length direction from the first side wall to the second side wall; a developer housing section for housing the developer, the developer housing section extending in the width direction between the first side wall and the second side wall, and the developer housing section including: an open end at which the developer housing section adjoins the developer supplying section; and a closed end opposite from the open end, the closed end including an exterior surface extending from a substantially bottommost portion of the developer housing section to a top portion of the developer housing section; and an extension portion, the extension portion including a first extension portion extending from the top portion of the developer housing section and away from the developer housing section in a first direction substantially perpendicular to the width direction and a second extension portion extending away from the first extension portion in a second direction different from the first direction, wherein the first extension portion is located between the developer housing section and the second extension portion, and wherein the first extension portion extends substantially horizontally away from the developer housing section in the length direction.