Fujifilm Business Innovation Corp.

Fuji Xerox Co., Ltd.

Takuma Ishihara

Takashi Matsubara

Takashi Ohashi

Takeshi Zengo

Akira Sakamoto

Jun Isozaki

Yukari Motosugi

Naoki Morita

Yasutaka Naito

Yoshitaka Kuwada

Jungo Harigai

Takehiro Niitsu

Hirotake Sasaki

Makoto Hasegawa

A heating device includes a heating roller having a resistance heat-generating layer that generates heat by passage of a current through the resistance heat-generating layer, a pressure rotating body that rotates in such a manner as to press a sheet-shaped heating target that is an object to be subjected to a heating treatment against an outer peripheral surface of the heating roller and in such a manner as to cause the heating target to pass through the outer peripheral surface of the heating roller, and an auxiliary heating unit that supplementarily heats at least an axial end region included in a heat-generating region in which heat is generated by the resistance heat-generating layer of the heating roller.

Heating device

A fixing device includes a fixing member that has an outer peripheral surface and an inner peripheral surface, is rotatably provided, comes into contact with, of a recording material on which an image is formed, a surface on which the image is formed, and fixes the image to the recording material, a rotating member that is rotatably provided and includes, at an outer peripheral portion, a contact surface coming into contact with the inner peripheral surface of the fixing member, and a removing member that is disposed to be in contact with the outer peripheral surface of the fixing member, is rotatably provided, and removes an attached object attached to the outer peripheral surface using a rotation speed difference with respect to the fixing member.

Fixing device and image forming apparatus including removing member that removes object attached to outer peripheral surface using rotational speed difference with respect to fixing member

A fixing device includes a fixation member, a fixing member that has an outer peripheral surface and an inner peripheral surface, is rotatably provided with respect to the fixation member, comes into contact with, of a recording material on which an image is formed, a surface on which the image is formed, and fixes the image to the recording material, a rotating member that includes a contact surface, which is in contact with the inner peripheral surface of the fixing member, at an outer peripheral portion, includes a heat generating portion generating heat due to electric resistance, and is rotatable together with the heat generating portion with respect to the fixation member, and a power receiving member that includes a power receiving surface receiving power from the fixation member with a peripheral surface, has a spring characteristic of biasing the power receiving surface in a direction of the fixation member, and rotates together with the rotating member.

Fixing device and image forming apparatus

A fixing device includes an endless belt-shaped section; a supply section that supplies a lubricating material to an inner surface of the belt-shaped section; a heating section that supports and rotates the belt-shaped section and generates heat during energization to heat the belt-shaped section; a power feed section that is electrically connected to an end part of the heating section and feeds power to the heating section; and a regulating section that is disposed on an outer surface side of the heating section and inside the power feed section with respect to an axial direction of rotation of the heating section to regulate movement of the lubricating material to a power feed section side.

A heating device includes a heating roller that includes a resistance heating layer, a bearing that supports the heating roller to allow the heating roller to be rotatable, and a connection power feeder that is mounted on an end portion of the heating roller, is connected to the resistance heating layer, and feeds power to the resistance heating layer, in which the connection power feeder includes an annular frame that is disposed to be concentric with the heating roller and is conductively connected to the resistance heating layer, a power feed shaft of which a portion is disposed in the frame and which feeds power, and plural rolling bodies that roll while being in conductive contact with an inner peripheral surface of the frame and an outer peripheral surface of the power feed shaft, and the bearing is mounted on a portion of the end portion of the heating roller that is closer to an inside than the connection power feeder in an axial direction.

Heating device and apparatus utilizing object to be heated

A heating device includes a heating roller that includes a resistance heating layer, and a connection power feeder that is mounted on an end portion of the heating roller, is connected to the resistance heating layer, and feeds power to the resistance heating layer, in which the connection power feeder includes an annular frame that is disposed to be concentric with the heating roller and is conductively connected to the resistance heating layer, a power feed shaft of which a portion is disposed in the frame and which feeds power, plural rolling bodies that roll while being in conductive contact with an inner peripheral surface of the frame and an outer peripheral surface of the power feed shaft, and a non-conductive cover that holds and covers the frame and the rolling bodies in a state where a portion excluding the portion of the power feed shaft is exposed, and the connection power feeder excluding the power feed shaft is mounted on the heating roller so as to be integrally rotated with the heating roller.

A resistance heating component is to come into contact with and heat a fixing belt made of a heat resistant material, and is to be provided at a position away from a fixing area between which the resistance heating component and the fixing belt a recording material is held and conveyed, the resistance heating component including: a metal base material having a low heat capacity; and a resistance heating layer laminated on a front surface or a rear surface of the base material with an insulating layer interposed between the base material and the resistance heating layer.

Resistance heating component, method of manufacturing the same, fixing device, and image forming apparatus

A heating device includes a heating roller having a resistance heat-generating layer that generates heat by passage of a current through the resistance heat-generating layer, a support member that supports a treatment portion in which a heating treatment is performed, a belt that is stretched between at least the heating roller and the support member and that rotates, and a pressure rotating body that rotates in such a manner as to press a sheet-shaped heating target that is an object to be subjected to a heating treatment against the treatment portion including an outer peripheral surface portion of the belt that is supported by the support member and in such a manner as to cause the heating target to pass through the treatment portion. The heating roller is not equipped with a power receiving component configured to receive a rotational power that is transmitted.

Heating device with heating roller having resistance heat-generating layer and heating-target using apparatus

A method of manufacturing a heat generating roller includes forming an insulating portion on a surface of a metal base member by providing poly-ether-ether-ketone resin over the surface of the base member and heating the poly-ether-ether-ketone resin, the poly-ether-ether-ketone resin being electrically insulating and heat-shrinkable; and forming a heat generating portion on a surface of the insulating portion, the heat generating portion generating heat when energized.

Method of manufacturing heat generating roller by providing a poly-ether-ketone resin over a base member, heat generating roller, fixing device, and image forming apparatus

An information processing apparatus includes: a processor configured to: set a geometrical transformation region for use in generating a geometrical transformation image into which a sample image is geometrically transformed, based on a replacement target region set in a part of an original image; generate the geometrical transformation image by geometrically transforming the sample image such that the transformed sample image has a shape of the geometrical transformation region; and replace the replacement target region using the geometrical transformation image.

Information processing apparatus and non-transitory computer readable medium

A heat generating roller includes a base member made of metal, a heat generating portion made of a material that generates heat when energized, and an insulating portion provided between the base member and the heat generating portion and that electrically insulates the base member and the heat generating portion from each other, the insulating portion being made of poly-ether-ether-ketone resin.

Heat generating roller, fixing device, and image forming apparatus

A light irradiation device includes: an irradiation portion that irradiates a member with light, the member having density varying in accordance with at least one of light or heat; and an adjustment portion that adjusts a light amount of the irradiation portion based on a change of the density in the member irradiated with the light by the irradiation portion.

Light irradiation device, image forming apparatus, computer readable medium storing program, and light irradiation method

A droplet drying device includes a plurality of light emitting devices arranged in a two-dimensional manner to irradiate droplets with light to dry the droplets, the droplets being ejected on a recording medium by an ejection unit, a regular irradiation capability portion provided in a region corresponding to an image forming region of the recording medium where an image is formed, the regular irradiation capability portion having a predetermined light irradiation capability, and a low irradiation capability portion provided in a region corresponding to a region of the recording medium set to have a lower image-forming density than the image forming region, a light irradiation capability of the low irradiation capability portion being lower than the predetermined light irradiation capability.

Droplet drying device and image forming apparatus

There is provided a drying device. A controller is configured to control a laser intensity so that the laser intensity becomes lower than a drying intensity set as an intensity for drying a liquid droplet when a printing part printed in advance on a recording medium is included in an illumination range of a laser element on an image formation surface of the recording medium, the laser element configured to illuminate laser to the liquid droplet ejected on the image formation surface of the recording medium in accordance with an image.

Drying device and image forming apparatus

A drying device includes: a drying unit that includes a laser light source group in which a plurality of laser light sources are arranged two-dimensionally and that dries ink placed on a recording medium as a result of ejecting of ink droplets from an ejecting unit by irradiating the ink with laser light; a control unit that divides the laser light source group into unit-of-control laser light source groups that are arranged in a crossing direction that crosses a feeding direction of the recording medium and each of which has, as a unit of control, a plurality of laser light sources arranged in the feeding direction of the recording medium, and controls the drying unit using laser light irradiation profiles that are set for the respective unit-of-control laser light source groups; and a setting unit as defined herein.

Growing community of inventors

Kanagawa, Japan

Takuma Ishihara