| 摘要 |
PROBLEM TO BE SOLVED: To compactly and inexpensively provide a replenishing device capable of automatically and efficiently supplying toner and carrier at required time to plural developing devices installed in a tandem type color image forming device. SOLUTION: A toner tank 21 dividing the inside of a container and a carrier tank 22 using the container in common are integrated and arranged in parallel with the arraying direction of the developing device 13 on the outside of a device base plate 200. By rotating a common stirring member 23 inserted through the respective tanks by a common motor M, the toner and the carrier are kept in an equallymixed state, and the toner is supplied to the developing device 13 through a replenishing tube 21A according to the detection signal of toner concentration in the developing device 13 and the carrier is supplied to the developing device 13 through a replenishing tube 22A in accordance with the integrated value of the number of copies. |
