TONER STORAGE CONTAINER, AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a toner storage container that prevents the occurrence of aggregates of toner even when a toner having low-temperature fixability is used.SOLUTION: A toner has the peak between 10to 10in the molecular weight distribution, and when the peak height derived from a crystalline polyester resin measured by FT-IR after storage at 45°C for 12 hours is C and the peak height derived from an amorphous resin is R, C/R is 0.03 to 0.55. A toner storage container body 32 includes a projection 335a that projects toward one end from the inside of the container body; a pump-up unit 304 includes a pump-up wall surface 304f that extends from the internal wall surface of the container body toward the projection 335a; and the projection 335a is present between the pump-up wall surface 304f and a toner receiving port.