| 摘要 |
PROBLEM TO BE SOLVED: To provide a device and a method for concealing the hue of a transfer material, and also, preventing irregularities in an image caused by the unevenness of the transfer material surface, preventing color muddiness caused by the mixture of a white toner image and a color toner image arranged on the white toner image, and preventing the discoloration of the image caused by ultraviolet ray and ozone, etc. SOLUTION: As for the image forming device for overlaying the white toner image and the color toner image formed on image carriers on the transfer material, thereafter, fixing the image, the volumetric average particle size of the white toner used for forming the white toner image is 1.3 to 2.0 times as large as that of color toner used for forming the color toner image. |
