| 摘要 |
There is provided a developing device including a developing roller, a housing configured to support the developing roller, a first seal member arranged between the developing roller and the housing at each end portion of the developing roller in an axial direction thereof, and a second seal member arranged between the developing roller and the housing at an inner side of each first seal member in the axial direction and having a smaller frictional force per unit area to be applied with respect to the developing roller than the first seal member. |
