| 摘要 |
A developer unit including a housing having an opening and defining a volume forming a toner chamber. A shutter is disposed on the housing and rotatably mounted relative to the opening thereof. The shutter includes an aperture and is operative to retain toner within the developer unit in a substantially sealed manner when in a closed orientation in which the aperture is not aligned with the opening of the housing, and to allow toner to flow into the toner chamber through the opening of the housing when in an open orientation in which the aperture is aligned with the opening of the housing. A lever is selectively coupled to the shutter and rotationally mounted to the housing such that when the lever is coupled to the shutter, rotation of the lever causes rotation of the shutter between the open and closed orientations, and when the lever is decoupled from the shutter, the lever is rotatable relative to the housing without causing the shutter to rotate.
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