Patent ID: 9335650
Filing Date: 2016-05-10
CPC Classification: G03G

Claim Text:
1. An image forming apparatus comprising: a photosensitive member; a charging member for charging the photosensitive member; an exposure member for forming an electrostatic latent image on a surface of the charged photosensitive member; and a developing member for supplying the photosensitive member on which the electrostatic latent image is formed with a toner to form a toner image on the surface of the photosensitive member, wherein: the charging member comprises an electro-conductive substrate and an electro-conductive resin layer, a surface of the charging member has a plurality of projections derived from the resin particles, and the projections are deformable, and wherein: the toner comprises toner particles, each of which contains a binder resin T and a colorant, and inorganic fine particles, the inorganic fine particles are silica fine particles, the toner contains the silica fine particles in an amount of 0.40 parts by mass or more and 1.50 parts by mass or less based on 100 parts by mass of the toner particles, the silica fine particles are treated with 15.0 parts by mass or more and 40.0 parts by mass or less of a silicone oil based on 100 parts by mass of a silica raw material, and a fixation ratio (%) of the silicone oil on the basis of an amount of carbon is 70% or more, and a coverage ratio X