Fujifilm Business Innovation Corp.

Fuji Xerox Co., Ltd.

Daisuke Tanemura

Masato Ono

Masayuki Seko

Hiroaki Tanaka

Masato Furukawa

Shigeru Fukuda

Koichi Matsumoto

Yosuke Kubo

Satoya Sugiura

Iori Nishimura

Shogo Hayashi

Tomoko Suzuki

Kenta Yamakoshi

Minoru Rokutan

Futoshi Takei

Tomotake Inagaki

Toshiyasu Yukawa

Daisuke Tano

Ryohei Yoshikawa

Ryosuke Kubota

Toru Ogawa

An intermediate transfer belt includes a resin, conductive carbon particles, and an alkyl silicone oil and a modified body thereof, in which regions different in a content of the alkyl silicone oil and the modified body thereof are formed on an outer peripheral surface, in a case where a silicon amount (Atomic %) on the outer peripheral surface is measured along an axial direction using an X-ray photoelectron spectroscopy, the silicon amount is periodically increased and decreased along the axial direction, and a peak-to-peak distance in an increasing/decreasing period of the silicon amount is 0.1 mm or more and 5.0 mm or less.

Intermediate transfer belt, transfer device, and image forming apparatus

A lubricant composition fed to an intermediate transfer belt in an intermediate transfer-type electrophotographic image forming method includes solid lubricant particles that are inorganic compound particles having an average size of 120 nm or less and a binder disposed on surfaces of the solid lubricant particles. The content of the binder is 0.01% by mass or more and 20.00% by mass or less of the amount of the lubricant composition.

Lubricant composition, transfer device, and image forming apparatus

A film contains a siloxane compound having an alkyl group and a resin having a density of 1.1 g/cmor higher and a glass transition temperature of 150° C. or higher.

Film, member, transfer device, fixing device, and image forming apparatus

A transfer device includes an intermediate transfer belt having a surface to which a toner image may be transferred and solid lubricant particles are attached, a primary transfer member performing primary transfer of a toner image to the surface of the intermediate transfer belt, a secondary transfer member performing secondary transfer of the toner image to a surface of a recording medium, and a detection device detecting a density of the toner image and has a light irradiation unit irradiating the surface of the intermediate transfer belt and a light receiving unit receiving reflected light, in which a relationship between a volume-average particle size A (nm) of the solid lubricant particles attached to the surface of the intermediate transfer belt and a wavelength B (nm) of the light radiated from the light irradiation unit satisfies the following Expression:Expression 1:8.6+300.

Transfer device and image forming apparatus

An endless belt contains a resin and a surface modifier. The endless belt has, at an outer circumferential surface thereof, a sea-island structure including a sea portion containing the resin and island portions containing the surface modifier. The area of the island portions is equal to or less than 5% of the total area of the outer circumferential surface.

Endless belt, transfer device, and image forming apparatus

An endless belt includes a layer containing a resin and electrically conductive particles. In the endless belt, a discharge starting voltage at which discharge starts when a voltage is applied to the layer and increased is 0.9 kV or more.

An intermediate transfer belt has metal oxide particles as a solid lubricant on a surface of the intermediate transfer belt, in which an average spacing between the metal oxide particles on the surface is 1,000 nm or less, and an average height of the metal oxide particles from the surface is 15 nm or more and 320 nm or less.

An endless belt contains: a resin; electrically conductive carbon particles; and a surfactant. When polyester resin particles having a volume average particle diameter of 4.7 μm are caused to adhere to an outer circumferential surface of the endless belt and then air is blown onto the outer circumferential surface from an upper side of the outer circumferential surface while the blowing pressure of the air is increased, all the polyester resin particles adhering to the outer circumferential surface are separated from the outer circumferential surface before or when the blowing pressure reaches 6 kPa.

Transfer device, image forming apparatus, and endless belt

An endless belt includes a resin and conductive particles, in which a content of the conductive particles with respect to the endless belt is 5% by volume or more and 20% by volume or less in terms of a volume ratio, a Young's modulus of the endless belt is 3,000 MPa or more, and the number of times of bending endurance of the endless belt measured by an MIT test specified in JIS P8115:2001 is 10,000 or more.

An inorganic compound particle supply member includes inorganic compound particles, and the Young's modulus of the inorganic compound particle supply member is lower than the Young's modulus of a supply object to be supplied with the inorganic compound particles.

Inorganic compound particle supply member, transfer device, and image forming apparatus

An endless belt includes a resin, and particles having an average primary particle diameter of 8 nm or more and 20 nm or less. In a volume frequency distribution of the particles determined by small-angle X-ray scattering measurement, the ratio (area B/area A) of graph area B of a particle diameter region of over 35 nm to graph area A of a particle diameter region of 35 nm or less is 0.3 or less.

An intermediate transfer belt includes a single-layer body including a resin layer or a multilayer body including the resin layer serving as a top surface layer. The surface of the resin layer has an arithmetic average surface height Sa of 0.005 μm or more and 0.020 μm or less. The surface of the resin layer has a maximum height Sz of 0.050 μm or more and 0.200 μm or less. The surface of the resin layer has recesses having a depth of 0.050 μm or more, the recesses being arranged at a regular interval, and the interval of the recesses is 0.20 μm or more and 0.80 μm or less.

An image forming apparatus includes a photosensitive member, an intermediate transfer body including a surface layer that includes an acrylic resin and a fluorine-containing polyether, first and second transfer units, and an intermediate transfer body cleaning unit that includes a cleaning blade including a tetrahedral amorphous carbon layer disposed on a surface of a contact portion of the cleaning blade, the contact portion being arranged to contact the intermediate transfer body, and removes a residual toner by bringing the cleaning blade into contact with the intermediate transfer body. Linear velocities of the intermediate transfer body and the photosensitive member are adjusted to satisfy a requirement (1): Requirement (1): 0.3&#x2264;|Linear velocity of Intermediate transfer body&#x2212;Linear velocity of Photosensitive member|/Linear velocity of Intermediate transfer body&#xd7;100&#x2264;1.5.

Image forming apparatus and intermediate transfer unit capable of maintaining a transfer performance of an intermediate transfer body

An endless belt includes: a resin; and electrically conductive particles, wherein an integrated discharge amount is 350 &#x3bc;C or less. The integrated discharge amount is determined by disposing an electrode at a position spaced 60 &#x3bc;m apart from the outer circumferential surface of the belt, applying a voltage to the electrode, and measuring the amount of discharge for a period of 1 second after the voltage reaches 1300 V.

An endless belt includes either a single-layer body including a layer including an imide resin and conductive particles, or a multilayer body including the layer as an outermost layer. The ratio y/x of the layer is 0.8992 or more and 1.0157 or less, where x [log &#x3a9;/&#x25a1;] is the common logarithm of the surface resistivity of the outer peripheral surface of the layer measured with a ring probe when a voltage of 100 V is applied to the layer for 3 seconds at a load of 1 kg, and y [log &#x3a9;&#xb7;cm] is the common logarithm of the volume resistivity of the layer measured with a ring probe when a voltage of 100 V is applied to the layer for 5 seconds at a load of 1 kg.

Growing community of inventors

Kanagawa, Japan

Daisuke Tanemura