| 摘要 |
PROBLEM TO BE SOLVED: To provide a color image forming device equipped with a 2nd developing device taking a one-component developing system using magnetic toner and a 1st developing device taking a two-component developing system using toner and carrier and realizing the stabilization of the quality of a color image by preventing the color mixture of developer in the 2nd developing device in the midst of forming the image by the 1st developing device with simple constitution. SOLUTION: The rotating direction of a developer carrier 611 provided in the 1st developing device is made the same as the rotating direction of an image carrier 1. |
