| 摘要 |
PROBLEM TO BE SOLVED: To recycle black color toner that has the highest frequency of use by carrying out recycling of the toner by installing the image forming unit of the black color in the most upstream position in the direction of rotation of an intermediate transfer body and carrying out recycling of the toner and at the same time, installing the image forming units of yellow, magenta, and cyan in downstream positions. SOLUTION: In this color image forming device, the toner remaining inside a cleaning device 19 of the black color (K) image forming unit 100 installed most upstream in the rotating direction of the intermediate transfer belt 14a is ejected by a screw 19c from the cleaning device 19, carried to a developing device 13 of the black color (K) again through a carrying pipe 19d and recycled. The toner inside the cleaning device 19 provided for each image forming unit 100 for yellow(Y), magenta(M), and cyan(C) are ejected from the cleaning device 19 by the screw 19c, carried to a toner recovering container 190 through carrying pipes 19d and recovered to within the toner recovering container 190. |
