Toner container and process cartridge

摘要

A toner supply container for supplying toner to a toner accommodation container for containing toner to be used for developing a latent image formed on an electrophotographic photosensitive member includes a flexible toner accommodating portion having side walls at longitudinal opposite ends, the side walls having respective inward projected portions so that the toner accommodating portion is collapsed when external force is applied thereto; an opening, provided in the toner container, for permitting supply of the toner from the toner accommodating portion to the toner accommodation container; a sealing member for removably sealing the opening; wherein when the external force is applied, the toner accommodating portion is collapsed while the projected portion being folded, so that a volume of toner accommodating portion is reduced in a direction crossing with a longitudinal direction thereof.