| 摘要 |
A developing device (40Y,40M,40C,40K) usable with an image forming apparatus, which has an improved configuration to allow smooth flow of developer stored therein. The developing device includes a housing (41Y) in which a developer receiving chamber (100) is defined, a partition (200) to divide the developer receiving chamber into a first developer receiving chamber (102) and a second developer receiving chamber (104), and a first developer delivery member (180) arranged in the first developer receiving chamber to deliver developer in a first direction. The partition (200) includes at least one opening to communicate the first developer receiving chamber (102) and the second developer receiving chamber (104) with each other, and a shield (260) to block between the first developer receiving chamber (102) and the second developer receiving chamber (104) at an upstream position of the first direction so as to isolate the two developer receiving chambers from each other. |
