IMAGE FORMING APPARATUS

原文（中国語）

A developer container detachably attached at a predetermined mounting position includes: a developer accommodating chamber, a filter that allows passage of air and suppresses passage of the developer, and an air chamber that is partitioned from the developer accommodating chamber by the filter, and switching between a first state and a second state can be made, the first state being a state in which a driving force of a motor is transmitted to an air supply portion that supplies the air to the air chamber, and is not transmitted to a movement mechanism that moves a restricting member between a restricting position for restricting movement of the developer container and an allowing position for allowing the movement of the developer container, and the second state being a state in which the driving force is transmitted to the movement mechanism and is not transmitted to the air supply portion.