| 摘要 |
PROBLEM TO BE SOLVED: To provide a toner storage container that can supply toner to a developing device even when the remaining amount of toner is reduced.SOLUTION: A toner storage container 32 includes a conveyance part that conveys toner from one end in the longitudinal direction to the other end where a container opening 33a is provided in a container body 33, a tube receiving port that is arranged at the container opening 33a and can receive a conveyance tube fixed to the toner conveyance device, and a pumping part that brings up the toner conveyed by the conveyance part from a lower part to an upper part of the container body 33 and moves the toner toward a toner receiving port of the conveyance tube. The container body 33 includes a projection projecting from the inside of the container body at the container opening 33a toward one end; the pumping part includes a pumping wall surface extending from a wall surface in the container body toward the projection and a curved part curved along the projection; and when the toner storage container is attached to the toner conveyance device, the projection is provided to be present between the curved part and the toner receiving port of the inserted conveyance tube. |
