Patent ID: 7565092
Filing Date: 2009-07-21
Classification: G03G

Abstract:
1. A developer cartridge that is attachable to and detachable from a photosensitive body cartridge that includes a photosensitive member, the 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 the 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 and including a developer roller; a developer housing section for housing the developer, the developer housing section extending in the width direction from the first side wall to the second side wall, and the developer housing section including: at least one engaging portion, the engaging portion extending outwardly from the exterior surface of the developer housing section; wherein when the developer cartridge is detachably attached to the photosensitive body cartridge, the engaging portion engages with the photosensitive body cartridge to press the developer roller towards the photosensitive member.