TONER CARTRIDGE FOR IMAGE FORMING DEVICE

PURPOSE:To achieve recycling without impairing economy while preventing the occurrence of solid toner by providing the surface of a rib, on the side of a developing unit main body, with a film sticking face of a specific shape. CONSTITUTION:The rib 25 of a toner replenishment container 21 is provided with the film sticking face 27 where a plurality of closed framelike areas, 27a and 27b, for sticking a toner seal film 26 are made. The toner seal film 26 is replaced by using the areas 27a and 27b in order. That is, the film sticking face 27 is provided on the surface 23 of the rib 25 of the toner replenishment container 21, on the side of the developing unit main body. This film sticking face 27 inclines so as to be away from the developing unit main body 12 toward the outside, and the plural closed-framelike areas 27a and 27b where the toner seal film 26 can be separately and independently stuck are made so as to surround the edge 24 of the opening of the toner replenishment container 21 without overlapping it.