| 摘要 |
PROBLEM TO BE SOLVED: To provide a full color image forming method and a full color image forming device by which sufficient image density is obtained even in the case of low potential development, and high image quality and high durability are satisfied. SOLUTION: In this tandem type image forming method, an a-Si photoreceptor whose diameter is 20 to 80 mm is used as a photoreceptor, surface potential in a developing area is set to 300 to 450 V as an absolute value, and a two-component type developing method in which the minimum space between the photoreceptor and a developing sleeve is set to 350 to 800 μm is used. The circumferential speed of the developing sleeve is made 1.1 to 4.0 times as high as that of the photoreceptor. Then, non-magnetic toner to be positively electrified whose particle size is 4 to 10 μm, whose tinting strength is 1.0 to 1.8 and which is set so that a difference between the maximum value and the minimum value of the tinting strength of YMC is <=0.5 is used. |
