Patent ID: 9612571
Date: 2017-04-04
CPC Classifications: G03G

Claim:
1. A developer cartridge which is attachable to a developing cartridge in an attaching direction and is detachable from the developing cartridge in a detaching direction, the developing cartridge including a drum unit and a developing device and configured to carry developer, the developer cartridge comprising: a developer container configured to contain the developer and extending in a predetermined direction perpendicular to the attaching direction and the detaching direction, the developer container including a partition wall extending in the predetermined direction, the partition wall facing the developing cartridge and having an output port on one end portion thereof in the predetermined direction, through which the developer is transported along the attaching direction, and an input port on another end portion thereof in the predetermined direction, through which the developer is transported along the detaching direction, wherein each of the output port and the input port opens downward.