JP2008203785A5 - - Google Patents

Claims (4)

A toner comprising a crystalline polyester resin and a release agent,
The surface friction coefficient μ of the toner is 0.21 to 0.45,
When there is a structure in which the crystalline resin polyester resin is in contact with the release agent on the cross section of the toner dyed with ruthenium, the cross sectional area of the structure is A, and the cross sectional area of the release agent alone is B. 60 ≦ 100 × A / (A + B) ≦ 100,
An electrostatic charge developing toner comprising a metal oxide hydrophobized on the surface of the toner. Electrostatic developing toner according to 請 Motomeko 1 you, wherein the coverage ratio of the release agent by the crystalline resin in the transmission electron microscope is 40% to 70%.   A developer for electrostatic charge development, comprising a carrier obtained by coating the core particle surface with a nitrogen-containing resin, and the toner according to claim 1. A latent image forming means for forming a latent image on the latent image carrier, a developing means for developing the latent image using an electrostatic charge developing toner, and the developed toner image with or without an intermediate transfer member. A transfer means for transferring onto the transfer body, a fixing means for adding and fixing the toner image on the transfer body, and a cleaning means having a cleaning blade for removing the toner remaining on the surface of the latent image carrier. An image forming apparatus comprising:
The electrostatic charge developing toner is the electrostatic charge developing toner according to claim 1 or 2,
An image forming apparatus, wherein the cleaning means has a hardness at a surface temperature of the cleaning blade of 45 ° to 65 ° in accordance with a JIS K6253 hardness test.