| 摘要 |
A developer cartridge includes a first frame and a second frame, which confronts the first frame. The second frame includes an opening, through which developer is passed, and which is openable and closable by the first frame in accordance with a relative movement between the second frame and the first frame, and a seal member, which is provided around the opening, and which does not overlap the first frame as viewed from a direction in which the developer passes the opening when the opening is opened. |
