JP2007086523A5 - - Google Patents

Claims (10)

A support, an electrophotographic photosensitive member to have a photosensitive layer provided on the support,
Surface layer of the electrophotographic photosensitive member, a curable resin having free,
The surface of the electrophotographic photosensitive member has a plurality of dimples like concave-convex,
Uneven shape and unevenness average surface value of the volume of the portion surrounded by divided by the measurement area of said volume in shape (Sa) is not less than 0.050 0.40 .mu.m or less,
To the total area of the surface, from the average surface of the concave-convex shape of the total area of the image and the portion forming the recess of the area close to the support projecting into said mean plane from the position of 0.30μm in the direction of the support ratio, Ru der than 15% 0.30% or more
Electrophotographic photosensitive member, wherein a call. The curable resin, an acrylic resin, a phenol resin, an epoxy resin, an electrophotographic photosensitive member according to at least one resin der Ru請 Motomeko 1 selected from the group consisting of silicone resins and urethane resins. Said surface layer is a polymerizable hole transporting compound having a functional group are polymerized by the irradiation of heat and / or radiation, a layer having free a cured product obtained by the thereby hardening the hole-transporting compound the electrophotographic photosensitive member according to der Ru請 Motomeko 1 or 2. The hole transporting compound, an electrophotographic photosensitive member according to claim 3 which is a hole-transporting compound having two or more chain polymerizable functional groups in the same molecule. The electrophotographic photosensitive member according to 請 Motomeko 3 or 4 wherein the radiation Ru electron beam der. The photosensitive layer is a multi-layer type photosensitive layer comprising a charge transport layer and the charge generation layer, the electrophotographic photoreceptor of any crab described 請 Motomeko 1-5 The charge transporting layer is Ru said surface layer der. The charge transport layer comprises a first charge transport layer and a second charge transporting layer, the electrophotographic photosensitive member according to the second 請 Motomeko 6 charge transport layer Ru said surface layer der of. An electrophotographic photosensitive member of any crab of claims 1 to 7, the electrophotographic photosensitive member charging means for charging the, electron photoconductor said by supplying toner to the electrostatic latent image formed on the surface of developing means for forming a toner image by developing the electrostatic latent image, transfer means for transferring to a transfer material the toner image formed on the surface of the electrophotographic photosensitive member, and the surface of the electrophotographic photosensitive member after the transfer at least a single means may be integrally supported, the process cartridge characterized in that it is detachably attached to the electronic photographic device body is selected from the group consisting of cleaning means for removing the deposits. An electrophotographic photosensitive member of any crab of claims 1 to 7, image exposure means for forming a charging means for charging the electrophotographic photoreceptor, an electrostatic latent image on the charged surface of the electrophotographic photosensitive member, said Developing means for supplying toner to the electrostatic latent image formed on the surface of the electrophotographic photosensitive member to develop the electrostatic latent image to form a toner image, and toner formed on the surface of the electrophotographic photosensitive member An electrophotographic apparatus comprising: transfer means for transferring an image to a transfer material. The electrophotographic apparatus according to 請 Motomeko 9 that further having a cleaning unit that removes deposits of the surface of the electrophotographic photosensitive member after transfer by said transfer means.