Developer replenishing device and image forming apparatus

There is provided a developer replenishing device including: an accommodating portion; a conveyance path forming portion forming a conveyance path of the developer, the conveyance path including a conveyance inlet and a conveyance outlet; a moving member including a holding portion that holds the developer; an exhaust portion that generates exhaust gas; and a filter. The moving member is arranged to be movable to a first position, in which the holding portion is connected with the receiving portion, and a second position, in which the holding portion is connected with the transfer inlet. When the moving member is in the second position, the filter is arranged such that the developer is held inside the holding portion and the exhaust generated by the exhaust portion is allowed to enter the holding portion, and the holding portion is located below the conveying inlet in the direction of gravity. An image forming apparatus is also provided. 提供了一种显影剂补充装置，它包括：容纳部分；传送路径形成部分，该传送路径形成部分形成显影剂的传送路径，该传送路径包括传送进口和传送出口；运动部件