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WO/2021/106773A1 |
The present invention provides a development roll for electrophotographic apparatuses, said development roll being capable of suppressing toner leakage from an end part of the roll. A development roll 10 for electrophotographic apparat...
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WO/2021/100854A1 |
The present invention makes it possible to, even when a development cartridge and a toner cartridge that have been replaced before reaching the life spans thereof are attached again, grasp remaining toner amounts in the respective cartri...
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WO/2021/100809A1 |
A member for electrophotography, said member comprising a conductive base material and a single elastic layer that serves as the surface layer. With respect to this member for electrophotography, the elastic layer contains a first resin,...
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WO/2021/101509A1 |
According to examples, a toner refill apparatus may include a chamber to house a toner, in which the chamber may include an insertion section, the insertion section to be inserted into a refill port of a toner cartridge and including a d...
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WO/2021/096527A1 |
A device may include an extension tray housing, defining a cavity to house an extension tray, including: a first guide channel, and a second guide channel, wherein a portion of the second guide channel is angled relative to the first gui...
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WO/2021/095288A1 |
Provided is a fine particle collection device that, among ultrafine particles 100 nm in size or smaller included in air, can collect and reduce at least those ultrafine particles that have relatively large particle diameters. This fine p...
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WO/2021/095287A1 |
Provided is a particulate capturing device etc. which can reduce the total amount of ultrafine particles of 100 nm or less in the air with little pressure loss regardless of the thinness of a capturing unit in the direction in which the ...
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WO/2021/086428A1 |
An electrophotographic photoreceptor includes an electrically conductive substrate, and a laminate-type photosensitive layer formed on the electrically conductive substrate. An allowable range of a charging voltage Vx to be applied to th...
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WO/2021/081320A1 |
A cooling assembly, and method, for an article being printed using a selective toner electrophotographic printing system is disclosed. The assembly includes a surface for delivering and returning cooling gas, the surface containing first...
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WO/2021/079917A1 |
This developing apparatus comprises: a toner; and a developer support body. The developer support body includes: an electrically conductive base material; and a surface layer that is a single layer on the base material. The surface layer...
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WO/2021/078106A1 |
A developing cartridge and an imaging device in the technical field of electrophotographic imaging. The developing cartridge comprises a cartridge body (1), a developing roller (2), a driving force receiving head (3), a detection mechani...
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WO/2021/080750A1 |
An imaging system includes a conveying device to convey a print medium including toner that defines an image region, a controller and an application device. The controller determines an application amount of gloss toner based on a total ...
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WO/2021/080751A1 |
An example image forming apparatus includes, a main body, a first fixing device disposed in the main body to primarily fix a toner image transferred on a printing medium while passing through a transfer device, a first discharge device t...
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WO/2021/075371A1 |
Provided is a conductive member capable of suppressing the generation of a ghost image and providing a high-quality image, even in a high-speed main body. The conductive member has a conductive support and a conductive layer. The conduct...
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WO/2021/075430A1 |
Provided is a conductive member for use in an electrophotographic image forming device and such that changes in resistance value are small even when a large amount of current flows at a high voltage over a long period of time. The conduc...
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WO/2021/075532A1 |
A conductive member for electrophotography, comprising a conductive support body, a conductive layer on the support body, and a surface layer on the conductive layer, wherein the impedance of the conductive member at the outer surface is...
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WO/2021/075296A1 |
Provided is an electrophotographic belt having a layered structure, the electrophotographic belt having exceptional scratch resistance and also exceptional inter-layer adhesion. The electrophotographic belt has a first layer, and a secon...
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WO/2021/075441A1 |
This conductive member comprises a conductive support, a conductive layer, and a surface layer, in this order. The conductive layer comprises a matrix containing a first rubber crosslinking product and a plurality of domains dispersed wi...
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WO/2021/076108A1 |
A scanning carriage of a printer includes a first emitter to emit first airborne charges, a second emitter to emit second airborne charges, and a fluid ejection device interposed between the first and second emitters to deposit droplets ...
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WO/2021/075442A1 |
The present invention uses a conductive member for electrophotography comprising a support having a conductive outer surface, and a conductive layer provided on the outer surface of the support, wherein the conductive layer has a matrix ...
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WO/2021/075530A1 |
Provided is a conductive member that, even after electricity is pass therethrough for a long period of time, does not show degradation or change in hardness of rubber therein. This conductive member has a support medium having a conduc...
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WO/2021/071665A1 |
An image forming apparatus includes a transfer device to transfer an unfixed toner image to a print medium, a fixing device located along a conveyance path of the print medium, and a gloss applying device. The unfixed toner image include...
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WO/2021/071642A1 |
A toner-and-developer supply device includes a toner container to contain toner and a developer container to contain a developer. The toner container has a toner discharge port, and the toner container is rotatable about a rotational axi...
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WO/2021/071543A1 |
An example image forming apparatus includes a photoconductor, a driving unit to rotate the photoconductor, a charging device, a power unit to apply a charging voltage to the charging device, a current measuring unit to measure a current ...
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WO/2021/071639A1 |
Provided is a toner transfer device including: a carrier device that includes a surface on which a charged toner is carried; an electrode that attracts the toner from the surface of the carrier device; a conveyance path of a print medium...
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WO/2021/071473A1 |
In one example in accordance with the present disclosure, a developer unit seal is described. The seal includes a first sealing member to contact an end cap of the developer unit. The first sealing member has ports to align with rollers ...
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WO/2021/071506A1 |
In one example, a detachable adapter to adapt a drive shaft on a printer to a drive mechanism on a toner cartridge and to transmit rotation of the drive shaft to the drive mechanism. The adapter includes a cylindrical part having a first...
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WO/2021/071544A1 |
An example operation method of an image forming apparatus includes obtaining, from a sensor, an output signal corresponding to a degree of shrinkage of a transporting member that transports a developing agent in a toner cartridge, as the...
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WO/2021/071501A1 |
Certain examples described herein relate to a method of electro-photographic printing. In an example a calibration image having one or more gray levels is printed using an optical element. The contrast of the printed calibration image is...
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WO/2021/065564A1 |
The present invention supplies toner to a developing chamber through only a coupling operation and suppresses degradation of the toner. In this developing device (developing cartridge 10), when a coupling 22 rotates clockwise at a prescr...
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WO/2021/066838A1 |
In some examples, an apparatus can include a print material cartridge, a reciprocating pump, a first valve, where the first valve is a one-way valve, and a second valve, where the second valve is a float valve, where the reciprocating pu...
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WO/2021/066201A1 |
The present invention pertains to an image formation device which is provided with an exposure means for irradiating an image carrier with light and forming an electrostatic latent image in an image carrier and in which a cartridge, whic...
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WO/2021/065565A1 |
Provided is a developing unit in which a developing roller rotates in the same direction regardless of whether a coupling rotates in either a clockwise direction or a counterclockwise direction. When a coupling gear 22B rotates in a coun...
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WO/2021/065567A1 |
Provided is an image formation device in which a solvent cartridge capable of accommodating a solvent can be replaced independently of a developer cartridge. The image formation device 1 is provided with a body housing 2, a light-sensiti...
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WO/2021/066999A1 |
An imaging system includes a toner image forming device and a gloss treatment device. The toner image forming device accommodates a color toner that forms a color toner image on a printing medium, and which accommodates a clear toner tha...
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WO/2021/065566A1 |
The present invention downsizes a member for reading out data relating to a toner cartridge and data relating to a drum cartridge. This image forming apparatus is provided with a drum cartridge 8, a toner cartridge 9, a toner data electr...
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WO/2021/065647A1 |
A control unit (8) performs first transfer switching control or second transfer switching control and retraction control in response to an interrupt received by an operating device during control on the designated number of stacks. The f...
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WO/2021/065710A1 |
Provided is a toner cartridge that can bring a toner-side electric contact surface which is electrically connected to a memory of the toner cartridge into contact with an electric contact surface of a drum cartridge, according to an atta...
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WO/2021/065711A1 |
Provided is a toner cartridge in which, using positioning of the toner cartridge in a developing unit, an electrical contact surface electrically connected to a memory can be brought into contact with an electrical connector of the devel...
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WO/2021/067450A1 |
Embodiments herein relate to 3D printing. In an embodiment, a method for printing an article using a selective toner electrophotographic process ("STEP") includes successively depositing multiple layers of part material and support mater...
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WO/2021/065832A1 |
An image forming device (1) to which a replenishing container (40) that houses toner can be attached and detached, that is capable of forming a toner image on a recording material and comprises: an image carrier (21); a developing contai...
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WO/2021/066872A1 |
An example developing device includes a housing to contain a developer and having an opening, a developing sleeve provided in the housing and partially exposed to the outside of the housing through the opening, a magnetic member includin...
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WO/2021/066186A1 |
This cartridge includes a photosensitive drum, a developer roller, a cartridge-side gear, a movable member, and a restricting part. The cartridge is configured such that, when the cartridge-side gear and a drive transmission member of an...
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WO/2021/066885A1 |
An example image forming apparatus includes a main body including a printing unit, a waste toner container, and a door, an opening lever movable between a first position, in which the door is locked in a closed position, and a second pos...
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WO/2021/060248A1 |
This foil transfer film cartridge is provided with: a supply reel (31) on which a foil film is wound that has a transfer layer that includes foil; a take-up reel (35) for winding the foil film; a first linking unit (71) which extends in ...
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WO/2021/061334A1 |
An imaging system includes a housing, a developer roller that transfers developer to an image carrier at a development region, a developer regulator to limit a thickness of the developer carried on the developer roller, and an air passag...
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WO/2021/061188A1 |
An example toner refill cartridge includes a body to accommodate toner and having a toner discharge hole, a shutter being rotatable between a first position at which the toner discharge hole is closed and a second position at which the t...
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WO/2021/061186A1 |
An example apparatus for providing a user interface of a printer driver may include a user interface device, a processor, and a memory. The processor, by executing instructions stored in the memory and executable by a computer, is to pro...
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WO/2021/061091A1 |
An apparatus is disclosed. The apparatus comprises a transducer to transform a load in the housing to an electric current, upon receipt of a load exceeding a load threshold. The apparatus further comprises a light source coupled to the t...
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WO/2021/061122A1 |
In one example of the disclosure, a print fluid developer assembly includes a housing with a receiving element for receiving installation of a developer roller. The developer roller is for providing print fluid to a photoconductive membe...
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