| 摘要 |
A developer material container includes a holding body, a shutter member movably, an operation member, and coupling member. The holding body holds developer therein and includes a developer outlet. The shutter member movably is assembled to the holding body. The shutter member is movable either to an opening position where the shutter member opens the developer outlet or to a closing position where the shutter member closes the developer outlet. The operation member is operated to move the shutter to either the opening position or to the closing position. Depending on the orientation of the discharging opening, an enabling-and-disabling member allows or does not allow the operation member to move the shutter relative to the holding body.
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