DEVELOPER STORAGE DEVICE AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a developer storage device that can ensure the amount of storage of a developer by effectively using a space.SOLUTION: A developer storage device 70 comprises: a lower storage part 77 that stores a developer discharged from a lower discharge part 81; an upper storage part 78 that is located above the lower storage part 77 and stores a developer discharged from an upper discharge part 82; and a fullness detection part 79 that detects that the lower storage part 77 is filled with developer on the basis of the height of the developer stored in the lower storage part 77.SELECTED DRAWING: Figure 2