CPC G03G 15/0889 (2013.01) [G03G 15/0865 (2013.01); G03G 15/0877 (2013.01)] | 13 Claims |
1. An image forming apparatus to and from which a replenishment container accommodating developer is attachable and detachable and which is configured to execute an image formation in which a developer image is formed on a recording material, the image forming apparatus comprising:
an image bearing member configured to rotate while bearing the developer image;
a developer bearing member configured to bear the developer and supply the developer to the image bearing member;
a developer container including:
an accommodating portion configured to accommodate the developer to be borne on the developer bearing member; and
a replenishment port to and from which the replenishment container is attachable and detachable and through which the accommodating portion is replenished with the developer from the replenishment container;
an agitation member configured to agitate the developer accommodated in the accommodating portion;
an opening/closing member configured to be movable between a closed position where the opening/closing member closes the replenishment port and an open position where the opening/closing member opens the replenishment port;
an opening/closing sensor configured to detect whether the opening/closing member is at the open position or at the closed position; and
a control portion configured to control driving of the agitation member,
wherein execution of the image formation is possible when the opening/closing sensor detects that the opening/closing member is at the closed position, and
wherein execution of the image formation is not possible and the driving of the agitation member is possible when the opening/closing member detects that the opening/closing member is at the open position.
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