Abstract: A cleaning blade includes a contact layer that is in contact with a toner image carrier, and a support layer that joins to a support member, wherein the contact layer does not contain an inorganic filler, the support layer contains an inorganic filler having a thermal conductivity (?) of 30 W/mK or more, and the average particle diameter of the inorganic filler is in a range of 0.1 to 5.0 ?m.

Abstract: A fixing device includes a pressure roller and a pressure pad that form a nip portion, and a nip member disposed opposite to the pressure roller as viewed from the pressure pad. The pressure pad is formed of an elongated flat-plate member and includes a first main surface located on a pressure roller side and a second main surface located on a nip member side. The nip member includes a receiving portion abutting against the pressure pad in a pressed state. A portion of the second main surface which corresponds to a passage region of the recording material provided at the nip portion is provided with a plurality of recesses, and the entire perimeter of each of the plurality of recesses is surrounded by projections. Top surfaces of the projections are in close contact with the receiving portion in the pressed state.

Abstract: A fixing device fixes a toner image onto a recording material by applying heat and pressure to the toner image formed on the recording material at a nip provided in a conveyance path of the recording material, and includes: a heating source; a pressure roller and a pressure pad; and a sandwiching member, wherein the pressure pad includes a first main surface and a second main surface, and the first main surface is formed of a long plate-like member, the sandwiching member includes a long plate-like abutting part, and a width-direction center in an area included in the second main surface and corresponding to a recording material passing region provided in the nip bulges toward the abutting part side more than width-direction both ends of the area included in the second main surface and corresponding to the recording material passing region provided in the nip.

Abstract: A fixing device fixes a toner image onto a recording material by applying heat and pressure to the toner image formed on the recording material at a nip provided in a conveyance path of the recording material, and includes: a heating source; a pressure roller and a pressure pad; and a sandwiching member, wherein the pressure pad includes a first main surface and a second main surface, and the first main surface is formed of a long plate-like member, the sandwiching member includes a long plate-like abutting part, and a width-direction center in an area included in the second main surface and corresponding to a recording material passing region provided in the nip bulges toward the abutting part side more than width-direction both ends of the area included in the second main surface and corresponding to the recording material passing region provided in the nip.

Abstract: A fixing device includes a pressure roller and a pressure pad that form a nip portion, and a nip member disposed opposite to the pressure roller as viewed from the pressure pad. The pressure pad is formed of an elongated flat-plate member and includes a first main surface located on a pressure roller side and a second main surface located on a nip member side. The nip member includes a receiving portion abutting against the pressure pad in a pressed state. A portion of the second main surface which corresponds to a passage region of the recording material provided at the nip portion is provided with a plurality of recesses, and the entire perimeter of each of the plurality of recesses is surrounded by projections. Top surfaces of the projections are in close contact with the receiving portion in the pressed state.

Abstract: An endless intermediate transfer belt includes a substrate layer, and a surface layer to be disposed on the substrate layer. The surface layer is configured by a polymerized cured product of a radical polymerizable composition including a radical polymerizable monomer having a radical polymerizable functional group, an oxime ester-based photopolymerization initiator having a carbazole structure, and a metal oxide particle subjected to surface treatment. The radical polymerizable functional group corresponds to one or both of an acryloyl group and a methacryloyl group. The metal oxide particle subjected to surface treatment includes a metal oxide particle, and a substance for support, to be supported on a surface of the metal oxide particle.

Abstract: An intermediate transfer member includes a resin substrate layer and a surface layer disposed on the substrate layer. The surface layer is a cured product of a resin composition containing a polyfunctional (meth)acrylate, a photopolymerization initiator, and a tertiary amine compound having a melting point of 30° C. or more. In the tertiary amine compound, at least one hydrogen atom is bonded to one carbon atom out of three carbon atoms bonded to a nitrogen atom.

Abstract: Inside the body of an image forming device, first to fifth electric charge providers are mounted in a first location out of a path of an air flow to the suction unit caused by the action of the suction unit, and a sixth electric charge provider is mounted in a second location through which external air flows in the body caused by the action of the suction unit. Each electric charge provider emits charges in ambient air to cause ultrafine particles floating in the ambient air to clump together.

Abstract: The present invention relates to an intermediate transfer member and an image forming apparatus. The intermediate transfer member is an intermediate transfer member having a resin-made base material layer and a surface layer; the surface layer is a cured substance of a composition containing a radically polymerizable vinylic compound and a metal oxide fine particle; and the vinylic compound has a structural unit represented by the following formula (1): wherein each R1 independently denotes a C2-8 alkylene group; each R2 independently denotes a hydrogen atom or a methyl group; and m denotes a positive number, and n denotes a positive number of 10 or more.

Abstract: An intermediate transfer member includes a resin substrate layer and a surface layer containing a cured product of a composition including a specific polyfunctional (meth)acrylic monomer and a specific fine particle of metal oxide.

Abstract: Inside the body of an image forming device, first to fifth electric charge providers are mounted in a first location out of a path of an air flow to the suction unit caused by the action of the suction unit, and a sixth electric charge provider is mounted in a second location through which external air flows in the body caused by the action of the suction unit. Each electric charge provider emits charges in ambient air to cause ultrafine particles floating in the ambient air to clump together.

Abstract: According to the present invention, increase in a dynamic friction force can be suppressed and cleaning performance of a cleaning member can be improved under any operating environment without additionally providing a special mechanism. An intermediate transfer member includes a substrate layer and a surface layer, the surface layer contains a cured product of a polymerizable monomer, and the monomer contains a compound represented by the following formula (1): A-[(L-B)k-D]m(D)l??(1) wherein A represents a tetra- or higher-valent organic group, B independently represents an alkylene oxide group having 4 to 15 carbon atoms, D independently represents a (meth)acryloyl group, L independently represents —(CO)— or a single bond, k independently represents an integer of 1 or more, l represents an integer of 0 to 3, m represents an integer of 2 or more, and a sum of l and m represents an integer of 3 or more.

Abstract: An intermediate transfer member includes a resin substrate layer and a surface layer disposed on the substrate layer. The surface layer is a cured product of a resin composition containing a polyfunctional (meth)acrylate, a photopolymerization initiator, and a tertiary amine compound having a melting point of 30° C. or more. In the tertiary amine compound, at least one hydrogen atom is bonded to one carbon atom out of three carbon atoms bonded to a nitrogen atom.

Abstract: An endless intermediate transfer belt includes a substrate layer, and a surface layer to be disposed on the substrate layer. The surface layer is configured by a polymerized cured product of a radical polymerizable composition including a radical polymerizable monomer having a radical polymerizable functional group, an oxime ester-based photopolymerization initiator having a carbazole structure, and a metal oxide particle subjected to surface treatment. The radical polymerizable functional group corresponds to one or both of an acryloyl group and a methacryloyl group. The metal oxide particle subjected to surface treatment includes a metal oxide particle, and a substance for support, to be supported on a surface of the metal oxide particle.

Abstract: In a fixing device for fixing a toner image to a recording medium by heating and pressing the recording medium with transferred toner image between a heat fixing member and a pressure member, a fixing-member housing is disposed on an outer peripheral side of the heat fixing member, while a reflection member is attached to an inner side of the fixing-member housing opposed to the heat fixing member. Air blown by an air blower is circulated through space between the fixing-member housing and the heat fixing member.

Abstract: According to the present invention, increase in a dynamic friction force can be suppressed and cleaning performance of a cleaning member can be improved under any operating environment without additionally providing a special mechanism. An intermediate transfer member includes a substrate layer and a surface layer, the surface layer contains a cured product of a polymerizable monomer, and the monomer contains a compound represented by the following formula (1): A-[(L-B)k-D]m(D)l??(1) wherein A represents a tetra- or higher-valent organic group, B independently represents an alkylene oxide group having 4 to 15 carbon atoms, D independently represents a (meth)acryloyl group, L independently represents —(CO)— or a single bond, k independently represents an integer of 1 or more, l represents an integer of 0 to 3, m represents an integer of 2 or more, and a sum of l and m represents an integer of 3 or more.

Abstract: An intermediate transfer member includes a resin substrate layer and a surface layer containing a cured product of a composition including a specific polyfunctional (meth)acrylic monomer and a specific fine particle of metal oxide.

Abstract: An image forming apparatus includes: a fixing unit receiving through an inlet a recording medium with a transferred toner image and heat fixing the toner image to the recording medium before discharging the recording medium from an outlet; a suction part for sucking the recording medium through a recording-medium suction opening, the recording medium conveyed on a recording medium conveyance path leading to the inlet; an exhaust passage for discharging to the outside a gas sucked by the suction part; and a filter disposed in the exhaust passage and serving to capture fine particles generated from the fixing unit and sucked in by the suction part.

Abstract: The present invention relates to an intermediate transfer member and an image forming apparatus. The intermediate transfer member is an intermediate transfer member having a resin-made base material layer and a surface layer; the surface layer is a cured substance of a composition containing a radically polymerizable vinylic compound and a metal oxide fine particle; and the vinylic compound has a structural unit represented by the following formula (1): wherein each R1 independently denotes a C2-8 alkylene group; each R2 independently denotes a hydrogen atom or a methyl group; and m denotes a positive number, and n denotes a positive number of 10 or more.

Abstract: In a fixing device for fixing a toner image to a recording medium by heating and pressing the recording medium with transferred toner image between a heat fixing member and a pressure member, a fixing-member housing is disposed on an outer peripheral side of the heat fixing member, while a reflection member is attached to an inner side of the fixing-member housing opposed to the heat fixing member. Air blown by an air blower is circulated through space between the fixing-member housing and the heat fixing member.