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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Matches 1 - 50 out of 270 1 2 3 4 5 6 >