Color image forming method and combination of using developers

摘要

In a color image forming method comprising the steps of forming a primary transferring image comprising plural developer images in different colors on an intermediate transferring belt by repeating the process to develop and transfer developer images on an intermediate transferring belt and forming a secondary transferring image by transferring the primary transferring image on a transfer paper, absolute values of tribo-charge amount of plural kinds of developers are 10 to 30 muC/g, and an absolute value of tribo-charge amount of a developer used lastly for the development is larger than that of a developer first used for the development and a difference between them is more than 2 muC/gx(number of developers used -1).