Patent ID: 11892784
Assignee: FUJIFILM BUSINESS INNOVATION CORP.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A developing device comprising:
a rotating member that passes a developer while rotating to an image holding body on which a latent image is formed;
a housing in which a circulation path through which the developer to be supplied to the rotating member circulates and a branch path that is branched from the circulation path and through which a part of the developer is transported are formed; and
a wall portion that forms the branch path at a part of the housing and in which an output port from which the developer is output to an outside and an exhaust port from which air in the branch path is output to the outside above the output port are formed, wherein the output port and the exhaust port are located on a same surface of the wall portion and a same side of the housing.