| 摘要 |
PROBLEM TO BE SOLVED: To provide a developer supply container and a developer supply system, which can appropriately discharge developer from the developer supply container to a developer supply device from an initial period.SOLUTION: A developer supply container 1 attachable to or detachable from a developer supply device 8 comprises: a container body 1a for accommodating developer; a discharging opening 1c for discharging the developer accommodated in the container body 1a; a holding member 3 to which driving force is input from the developer supply device 8; a pumping part 2 operated by driving force received by the holding member 3 such that inner pressure of the container body 1a alternately switches between a state lower than atmospheric pressure and a state higher than the atmospheric pressure; and the holding member 3 and a locking member 55 forming a regulation part for regulating an operation start position of the pumping part 2 so that air is taken into the container body 1a from the discharging opening 1c in an initial operation period of the pumping part 2. |
