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8182079 |
Image forming method and image forming apparatus
An image forming method includes the steps of: depositing an aggregating treatment liquid containing 10% or more and 90% or less of a water-soluble high-boiling-point organic solvent having an SP...
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8172375 |
Valve and actuator employing capillary electrowetting phenomenon
A valve includes: a passage having a first passage which communicates an atmosphere-communicating passage and outside of a cartridge body, and a second passage which branches from the first...
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8172352 |
Printing apparatus having line-type ink jet head and method of printing images by line-type ink jet head
A printing apparatus is provided with a line-type ink jet head having a plurality of blocks on each of which a set of ink ejection elements are arranged. A drive signal generating unit is...
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8172389 |
Filter, liquid jetting apparatus, and liquid transporting apparatus
A filter includes a filter plate provided with a through holes formation portion in which a plurality of through holes is formed, a ring-shaped piezoelectric layer arrangement portion on an upper...
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8172348 |
Print head cap vent
A print head cap includes a vent which is opened during storage of the print head against the cap, is closed during priming of fluid through nozzles of the print head and is opened to stop the...
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8162453 |
Inkjet recording apparatus and ink supply method
The inkjet recording apparatus includes: print heads each of which has ejection ports through which ink is ejected; main tanks each of which stores the ink; ink supply channels which respectively...
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8164793 |
Image processing apparatus and method
In a multipass printing that performs a plurality of printing scans over a unit area of a print medium by using a leading head and a follower head, the multivalued image data for the leading head...
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8162464 |
Liquid ejection apparatus and liquid processing method
In order to prevent, in an operation for circulating liquid, an ejection port from sucking air or the ejection port from pushing out liquid, the subtank for temporally storing ink to be supplied to...
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8162423 |
Inkjet recording method and apparatus
The inkjet recording method includes: a treatment liquid deposition step of depositing a treatment liquid containing an aggregating agent onto a surface of a coating layer of a coated paper having...
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8162424 |
Ink-jet recording method and ink-jet recording apparatus
An ink-jet recording method includes: determining an aggregation degree G (AB) brought about when the ink A and the ink B are brought in contact with each other, at least one of the ink A and the...
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8152285 |
Ink jet head and ink supplying method thereof
An Inkjet head according to an exemplary embodiment of the present invention includes an ink storage unit including an inner storage space, a head unit connected to the ink storage unit, and a...
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8147043 |
Back pressure adjustment apparatus for liquid ejection head
The back pressure adjustment apparatus for a liquid ejection head has: a container having a liquid accommodating chamber which is connected to the liquid ejection head and accommodates liquid to be...
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8147026 |
Image quality matching in a mixed print engine assembly system
A method and system for improved image quality using an image quality matching method is used to match the optical density of single prints produced on multiple print engines by first sensing the...
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8141976 |
Printing control method for a serial inkjet printer, and a serial inkjet printer
A printing control method for a serial inkjet printer prevents paper dust that is dispersed by the air current produced by a vacuum platen from adhering to the ink nozzle area. An inkjet head that...
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8142004 |
Image forming apparatus
An image forming apparatus includes: a treatment liquid application device which applies a treatment liquid to a recording medium; a treatment liquid supplying device which abuts against the...
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8136908 |
Apparatus and method for ink jet printing
The present invention provides an ink jet printing apparatus and a method for controlling temperature for the ink jet printing apparatus wherein the temperature of a print head, which may lower...
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8132877 |
User adaptable ink status conveyance system
An ink status conveyance system comprises a maximum monitored ink level sensor operable with respect to an ink source for holding a supply of ink and delivering the ink to a printhead. The ink...
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8123321 |
Image forming method and image forming apparatus
An image forming apparatus includes a defect position detecting section to detect a defect position at which no recording material is outputted; a defect position specifying section to specify a...
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8123325 |
Non-ejecting nozzle detecting method and device and inkjet recording apparatus
A non-ejecting nozzle detecting method comprises: setting a specified processing liquid deposited pattern; ejecting the processing liquid from processing liquid nozzles onto a recording medium to...
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8123316 |
Inkjet image-forming apparatus and method for printing
An image forming apparatus including: a print-job controller configured to receive a print job and control a printing operation based on the received print job; an ink-ejection driver configured to...
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8118381 |
Image forming apparatus
An image forming apparatus includes a recording head configured to jet a liquid; a liquid tank configured to store the liquid; and a supply tube having flexibility, the supply tube being provided...
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8113612 |
Ink delivery system
An ink delivery system includes a plurality of ink supplies, an air pressure source to generate ink pressure for each ink supply, an ink valve associated with each ink supply, where each ink valve...
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8111436 |
Image-forming method and image-forming apparatus
An image-forming method of recording an image of plural pixels by a recording means using an image-forming material not completely permeating into a recording medium and capable of forming an image...
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8109592 |
Liquid-ejecting head, liquid-ejecting device, liquid-ejecting method, and ejection medium for liquid-ejecting head
A liquid-ejecting head includes a liquid cell that contains an ejection medium that is liquid at normal temperature, a nozzle for ejecting the ejection medium in the liquid cell, an energy unit for...
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8104854 |
Liquid-droplet jetting apparatus and liquid-droplet jetting method
In an ink-jet printer, as a liquid-droplet jetting apparatus, when a predetermined condition is satisfied during an printing operation, a non-jetting drive pulse is applied to an actuator to impart...
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8100492 |
Liquid ejecting apparatus
A liquid ejecting apparatus includes a liquid ejecting head disposed on a transport path of a target to eject liquid from nozzles at a nozzle forming surface, a target transport unit transporting...
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8100500 |
Ink jet printer having ink maintenance system controlling maintenance in accordance with the ink viscosity by use of a simple structure
An ink jet printer is provided with an ink circulation route which includes an ink jet head, an ink supply tank and an ink collection tank. A measuring unit obtains a value indicative of the flow...
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8087770 |
Image forming apparatus and image forming method
An image forming apparatus includes a supply unit that supplies liquid recipient particles to receive liquid; a conveyance unit that conveys the liquid recipient particles supplied by the supply...
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8076394 |
Compositions and methods for printing on specialty media
Compositions and methods for printing on specialty media are disclosed. The methods comprise the steps of providing a fixing fluid, providing a dye- or pigment-based ink-jet ink containing an...
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8075079 |
Ink cartridge with bubble point pressure regulator defined in laminated wall
An ink cartridge for an inkjet printer having a laminated wall. The laminated wall defines: an air inlet; a regulator channel having a first end communicating with the air inlet and a second end...
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8070248 |
Image forming apparatus and control method of the same
An image forming apparatus performs an image forming operation by driving a ejecting element of a recording head with an ink ejecting drive voltage for ejecting ink, detects a temperature of ink to...
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8047640 |
Inkjet printer system and ink supply apparatus
An inkjet printer system includes a print head, a sub tank, a pressure controller, and a check valve. The print head is configured to eject ink. The sub tank is connected to the print head and has...
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8042896 |
Ink jet printer having ink maintenance system
An ink jet printer performs a print process by ejecting ink for each of a plurality of ink colors. When a predetermined first circulation time elapses after starting the ink circulation, an ink...
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8042902 |
Pressure adjustment apparatus and image forming apparatus, and pressure adjustment method and liquid remaining amount determination method
A pressure adjustment apparatus for adjusting a pressure of liquid inside a liquid ejection head including nozzles and flow channels includes: a tank; a pump; a buffer chamber; a first switching...
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8042895 |
Ink conductivity recovery method for an imaging device
A method for restoring ink conductivity of ink in an ink reservoir comprises detecting an ink conductivity of an ink volume in an ink reservoir, and comparing the detected ink conductivity to a...
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8042898 |
Inkjet recording apparatus and method
The inkjet recording apparatus includes: an inkjet recording head which includes a nozzle through which liquid is ejected; a pressure regulating unit which includes a liquid chamber that...
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8042894 |
Apparatus that uses consumable items and a method of managing such apparatus
An apparatus is provided that uses a consumable item, of given type, requiring occasional renewal. The apparatus has a first operating mode in which it only works with a subset of consumable items...
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8029112 |
Inkjet printer with pressure regulator
An inkjet printer has an inkjet printhead and an ink pressure regulator for regulating a hydrostatic pressure of ink supplied to the printhead. The regulator includes a bubble outlet positioned in...
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8029082 |
Liquid discharging apparatus, liquid discharging method, and program
A liquid discharging apparatus includes a head that is driven in response to a driving signal to discharge liquid, a controller that drives the head by generating the driving signal, an adjustment...
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8020981 |
Inkjet recording apparatus and air removal method therefor
There is provides an inkjet recording apparatus comprising: an inkjet head held in a head holder; and an ink tank mounted on the head holder. The ink tank has an ink chamber, a path for...
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8016375 |
Image forming apparatus
An image forming apparatus includes a recording head configured to jet a liquid; a liquid tank configured to store the liquid; and a supply tube having flexibility, the supply tube being provided...
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8002371 |
Filling, identifying, validating, and servicing tip for fluid-ejection device
A tip to be placed on a fluid-ejection device is filled with fluid. The fluid may be introduced into a substantially hollow body of the tip at a first end of the body. The body of the tip has a...
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8004343 |
Driver circuit and ink jet printer head driver circuit
A driver circuit includes first and second switching elements connected in series to two ends of an electric voltage source. A driven load having a capacity is connected to a connection line...
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7997672 |
Inkjet recording apparatus
An inkjet recording apparatus includes a waveform outputting circuit and a current restricting circuit. The waveform outputting circuit outputs to each individual electrode one of ejection signals...
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7997669 |
Inkjet recording apparatus
An inkjet recording apparatus including: (a) a recording head; (b) an ink supply source; (c) an ink supply conduit interconnecting the recording head and the ink supply source, such that the ink is...
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7997670 |
Liquid-ejection apparatus
A liquid-ejection apparatus, including: a head configured to eject a liquid from a plurality of liquid-ejection openings; a main tank configured to accommodate the liquid supplied to the head; a...
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7992981 |
Liquid supply device and liquid ejecting apparatus
A liquid supply device includes a liquid supply channel that supplies a liquid from an upstream side as a liquid supply source side to a downstream side, where the liquid is consumed, and a pump...
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7996880 |
Secure updating of integrated circuits
A method of attempting a write to an entity to cause performance of an action is provided in which a first message is sent to the entity which causes performance of the action and adjustment of...
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7980683 |
Inkjet printer with ink recycling amount changing units
In an inkjet printer where an ink recycling path for recycling ink is formed by connecting among an ink head, an upstream tank, and a downstream tank, the inkjet printer includes a temperature...
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7971956 |
Liquid container
Provided herein is a liquid container including a liquid containing portion for containing liquid; and a detection portion which outputs a detection signal having a frequency of about 1/odd number...
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