Patent ID: 8095048

Claim:
A toner cartridge mounting structure comprising: a toner cartridge having a toner accommodating portion for accommodating toner, a toner supplying opening through which the toner in the toner accommodating portion is supplied, and a supplying opening shutter for opening and closing the toner supplying opening; and a developing member having a toner receiving opening and a receiving opening shutter for opening and closing the toner receiving opening, the toner supplying opening being higher than the toner receiving opening and the supplying opening shutter being opened after the receiving opening shutter is opened, by the operation of mounting the toner cartridge in an apparatus body, wherein the toner cartridge further has a toner supplying portion connected to the toner accommodating portion, the toner supplying opening is formed in the toner supplying portion, and the supplying opening shutter is contained in the toner supplying portion.