Patent ID: 9110418
Filing Date: 2015-08-18
Classification: G03G

Abstract:
1. A color image forming method, comprising: forming an electrostatic latent image on an electrostatic latent image bearing member; developing the electrostatic latent image to form a visible image with at least two toners each containing a releasing agent and being selected from black toner, magenta toner, cyan toner and yellow toner; transferring the visible image to a recording medium; fixing the transferred image on the recording medium with a fixing member having no releasing agent on a surface thereof; and forming an overcoat layer on the fixed image, the overcoat layer being formed by polymerizing an overcoat composition, wherein when lightness L wherein when at least any one of red, green and blue fixed solid images formed with the at least two toners using a test chart No. 4 according to ISO/IEC 15775:1999 is exposed to saturated vapor of an aqueous ruthenium tetroxide solution and is then radiated with electron beams at accelerating voltage of 0.8 kV to thereby obtain a reflection electron image and the reflection electron image is converted to a binarization image formed of a black part and a white part, an area percentage of the black part with respect to an entire area of the binarization image is from 40% to 70%.