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WO/2023/177520A1 |
In a general aspect, identity markers containing identity-forming particles are created by electrostatic printing processes. In some aspects, a toner mixture is received on an electrostatically charged surface of an image transfer drum i...
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WO/2023/101686A1 |
In an example, a print apparatus includes an intermediate transfer member to receive a pattern of print agent from a photoconductive surface. The print apparatus may include an impression drum to transfer the pattern of print agent to th...
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WO/2023/069115A1 |
In one example, an LEP printer includes a belt rotatable in a loop, a series of multiple printing units along the belt each to apply an LEP ink color separation to the belt, a first heater to dry the color separations on the belt to a mo...
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WO/2023/059442A1 |
Foil images are formed simultaneously with color toner images on a receiver material. One or more color toner latent images are formed on the receiver material using dry color toners. Each dry color toner has a (a) polymeric resin, a (b)...
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WO/2023/282909A1 |
In some examples, an apparatus includes a developer and a moveable support that is moveable in response to actuation by an image forming device. The apparatus further includes a toner transfer modulator on the moveable support, the toner...
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WO/2023/282908A1 |
In some examples, an apparatus includes a developer to receive a toner, and an actuator moveable between different positions. An electrical switch is responsive to an input stimulus from the actuator to control a voltage that enables or ...
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WO/2023/282911A1 |
In some examples, an apparatus includes a developer and an actuator moveable in response to an input stimulus during an image forming operation of an image forming device. The apparatus includes a clutch that is actuatable, during the im...
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WO/2022/250746A1 |
An example image forming apparatus includes a fuser to fix a toner on a printing medium, a light sensor to detect an event in which the printing medium is wrapped in the fuser, a temperature sensor to sense a temperature of the fuser, a ...
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WO/2022/172630A1 |
An image forming method includes forming an electrostatic latent image on an electrostatic latent image bearer, developing the electrostatic image with a toner to form a visible image, transferring the visible image onto a recording medi...
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WO/2022/130695A1 |
This exposure head for exposing a photoconductive drum comprises: a substrate; a plurality of strip-shaped semiconductor chips that are provided with a plurality of light-emitting elements for emitting light and a drive circuit for drivi...
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WO/2022/093354A1 |
A lubricant application device includes an application roller to apply a lubricant to an image carrier, and a housing to accommodate the application roller and a lubricant unit which includes a solid lubricant. The housing extends in a l...
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WO/2022/076045A1 |
An example image forming apparatus includes a simplex path for conveying printing medium passing through a fixing unit provided in a main body to a discharge port of the main body, a duplex path for turning over printing medium and conve...
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WO/2022/060368A1 |
According to an example, a printing system comprises a transfer member, an impression member comprising a holder, and a controller. The controller may be to read performance data associated with an impression media attached to the impres...
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WO/2022/015300A1 |
Described herein is a method comprising freezing an LEP ink composition comprising chargeable particles comprising a resin suspended in a carrier liquid; subjecting the frozen LEP ink composition to a negative pressure to cause sublimati...
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WO/2021/154222A1 |
A liquid electrophotographic ink composition is described. The liquid electrophotographic ink composition comprises a ceramic pigment, a polymer resin, a glass frit, and a liquid carrier. Also described is a heat transferable printed ima...
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WO/2021/141782A1 |
A glossing apparatus to perform gloss treatment on printing paper on which an image is formed, includes: a pressing roller to rotate axially, a heating roller to form a nip in which the printing paper is nipped together with the pressing...
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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/2021/066999A1 |
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/2020/247076A1 |
A drum (10) and thermal control system (180) in this disclosure are suitable for use in systems for thermally processing imaging media. The drum comprises a cylindrical surface (11) disposed around and parallel to an axis of rotation (A)...
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WO/2020/167310A1 |
A print agent application assembly is disclosed. The print agent application assembly includes a print agent transfer roller to receive print agent and transfer a portion of the print agent to a photoconductive surface. The print agent a...
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WO/2020/027924A1 |
An imaging system includes an endless belt to convey a printing medium, a heating element to heat the endless belt, a cooling element to cool the endless belt, and a thermoelectric converter. The heating element generates a high temperat...
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WO/2019/235641A1 |
This developer supply device, which supplies a liquid developer containing a toner and a carrier liquid to a rotating body, is provided to the rotating body so as not to make contact therewith, and comprises: a developer-supporting rotat...
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WO/2019/160544A1 |
In one example of the disclosure, a developer system includes a housing and a developer roller. A first electrode and a second electrode are disposed in the housing, the first and second electrodes to create an electrical charge to cause...
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WO/2019/147243A1 |
An example method of controlling the concentration of a printing substance is provided. A layer of printing substance is received on a printing substance receiving member, and a parameter indicative of a current concentration of non-vola...
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WO/2018/194559A1 |
A roller charging device may include a Y-shaped electrically conductive brush and a screw terminal coupling the Y-shaped electrically conductive brush to a housing of the roller charging device and electrically coupling the Y-shaped elec...
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WO/2018/188726A1 |
A print agent transfer assembly (200) comprising a print agent transfer member ((202) to receive a first layer and second layer of print agent, and an energy source (208) to provide energy at a first predetermined intensity level to the ...
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WO/2018/133946A1 |
In one example, a developer roller for liquid electrophotographic printing includes a cylindrical metal inner core, a rigid conductive plastic outer core surrounding the inner core, and a compliant exterior surrounding the outer core.
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WO/2018/130312A1 |
In an example, a method includes identifying a contact area of a substrate within which an apparatus will make contact with the substrate and defining a boundary area of the substrate between the contact area and a remaining area of the ...
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WO/2018/065026A1 |
Herein is described a liquid electrostatic printing method comprising providing a liquid electrostatic ink composition comprising a carrier liquid and chargeable particles comprising a resin; and providing an adhesion promoting compositi...
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WO/2018/057930A1 |
A system (1300) for filling a toner container (210) with toner, the system comprising: a base (1315); a receiving portion (1305) supported by the base and defining a chamber (1317), the receiving portion (1305) including an opened end (1...
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WO/2017/188959A1 |
In one example, a method for drying a developer unit of a liquid electrophotographic printer. After printing is complete, development voltage biases are applied to the developer unit while a liquid marking agent flows to the developer un...
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WO/2017/144409A1 |
The present invention is related to a flexible packaging substrate comprising one or more crosslinked ink layers and to a method for the production of said printed substrate.
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WO/2017/133905A1 |
The invention relates to a printing system (1) for cut sheets. The printing system (1) comprises a control unit (37) for controlling the printing of image data on a plurality of sheets and scheduling the plurality of sheets in a printing...
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WO/2017/131666A1 |
The present disclosure relates to a liquid electrophotographic ink developer unit. The unit comprises a developer roller, and a secondary roller that co-operates with the developer roller. The developer roller is formed of a material hav...
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WO/2017/131664A1 |
The present disclosure relates to a liquid electrophotographic ink developer unit. The unit comprises a developer roller comprising a layer formed from a polymer composition containing a conductive filler, whereby the polymer composition...
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WO/2017/105214A1 |
The present invention generally relates to a method of glass article laser printing of photo images (with 3D or emboss effect) (1), comprising steps of: pre-treating said glass article with acid or alkali solution (12), coating a layer o...
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WO/2017/097371A1 |
Described herein is a method for priming a print substrate for subsequently receiving a liquid electrophotographic (LEP) inkin which a surface of a print substrate is coated with a first primer using an analogue printing technique and a ...
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WO/2017/095392A1 |
A replaceable unit for an electrophotographic image forming device according to one example embodiment includes a housing having a reservoir for storing toner. A rotatable shaft is positioned within the reservoir and has an axis of rotat...
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WO/2017/086619A1 |
This image forming device comprises: a transfer belt which moves in a predetermined direction; multiple image generators, each of which generates a toner image on the transfer belt; and a control unit for outputting an image generation s...
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WO/2017/058198A1 |
An example developer unit includes a developer roller. The developer unit also includes a set of electrodes proximate to the developer roller. The set of electrodes form a cavity. The developer unit includes an inlet to the cavity. The i...
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WO/2017/030581A1 |
An example system includes a power supply. The power supply is electrically coupled to an electrode, a developer roller, and a cleaner roller. The system also includes a controller. The controller is to instruct the power supply to reduc...
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WO/2017/030580A1 |
Example implementations provide a method of controlling an ink developer used in electro-photography; the method comprising, following cessation of printing, varying a plurality of voltages associated with movement of ink within the ink ...
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WO/2017/019023A1 |
In one example, an electrically conductive structure includes an elongated substantially flat single piece of plastic permeated with conductive fibers including conductive fibers at a contact surface of the piece. The piece of plastic in...
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WO/2017/015293A1 |
A fuser assembly, including a heat transfer member; a backup member disposed adjacent the heat transfer member so as to form a fuser nip; a frame in which the heat transfer member and the backup member are at least partly disposed; and a...
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WO/2016/068479A1 |
A fusing device is provided. The fusing device includes a heating roller having two end regions and an inner region between the two end regions, a coil module, and a controller. The coil module includes a first coil arranged along an axi...
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WO/2016/036164A1 |
Disclosed is a developing apparatus capable of suppressing an excessive discharge of a developer from a developer discharge hole. A first opening (106a) for transferring a developer from an inner part of a first case part (105A) to an in...
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WO/2015/156766A1 |
The present disclosure relates to a system for electrostatic printing. The system comprises a UV colorant comprising a rare earth diketonate, a thermoplastic resin and an additive selected from at least one of an acid having a pKa of 1 t...
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WO/2015/057848A1 |
Various variable gloss reduction techniques are disclosed. In one embodiment, a gloss reduction technique is disclosed using a textured roller and a wiper impregnated with fuser oil to create a differential gloss pattern that reduces the...
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WO/2014/201364A1 |
A fuser assembly for an imaging device which transfers heat from overheated portions of the fuser assembly to portions having lesser temperatures. The fuser assembly includes a heating member; a backup roll disposed proximate to the heat...
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WO/2014/145639A2 |
A water play apparatus and associated method of manufacturing the water play apparatus includes a hollow, rigid endoskeleton having a fluid passage formed therethrough. An exoskeleton is received around the endoskeleton and formed from a...
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