TONER CARTRIDGE

Disclosed is a toner cartridge (1) in which not only a first zone for containing a toner therein but also a second zone is formed and a first opening (7) and a second opening (11) are formed adjacently to each other in these zones, respectively, one end of a sealing member (8) is located on the edge, on the side of the second opening (11), of the first opening while the other end of the sealing member (8) is secured to the confronting edge of the second opening, and the sealing member (8) is peeled in the state where the sealing member is stuffed into the second zone through the second opening. In this toner cartridge (1), the attachment size of the cartridge can be shortened and the attachment operation and the operation of peeling the sealing member can be simplified. Furthermore, the carriage which finishes replenishment of the toner can be drawn out from the toner supply zone of the developing device by a one-touch operation without touching the sealing member by hands, and even if the toner adheres to the sealing member, there can be attained an advantage in that hands of a operator and surroundings are not contaminated with the toner.