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7621626 |
Inkjet recording apparatus
An inkjet recording apparatus is provided with a recording head, a main tank, a tube, a transfer device, a transfer amount determination device and a driving device. The recording head includes a...
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7621618 |
Liquid discharge device
A liquid discharge device is provided with a head, a cover member, a negative pressure source, a seal member, and a controller. The head has a nozzle plane in which a nozzle is formed. The cover...
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7621608 |
Image forming apparatus having improved capability for maintaining ink delivery
An image forming apparatus having a recording head for discharging an ink includes a fuel cell unit and a water supply unit. The fuel cell unit generates power for the image forming apparatus and...
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7600837 |
Droplet ejection apparatus
A droplet ejection apparatus comprises: (a) a recording head including a nozzle from which a droplet of a liquid is ejected, (b) a pressure chamber which is filled with the liquid and whose volume...
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7588310 |
Inkjet image forming system and method of increasing a printing speed thereof
An inkjet image forming system and method of increasing a printing speed thereof. According to the system and method, at least a portion of a first lead time of a first process that includes...
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7578573 |
Drop ejection assemby
A fluid drop delivery device is disclosed. The device includes a plurality of nozzle openings from which fluid is ejected and a waste control aperture.
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7578572 |
Image forming apparatus using inkjet process capable of maintaining an image forming quality
This patent specification describes an image forming apparatus which includes a carriage, a recording head mounted on the carriage, having a nozzle, and configured to form an image by ejecting...
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7571980 |
Cleaning method and apparatus for a printhead assembly
A method and apparatus are provided for cleaning a first set and a second set of a staggered full-width array printhead assembly (SFWA) in an inkjet printer. The apparatus for the method includes...
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7566123 |
Double-sided printer having opposed print engines
Provided is a double-sided printer having two print engines arranged on opposite sides of a print media path. Each print engine includes an image transfer roller configured to operatively transfer...
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7562960 |
Inkjet printer having arcuately moveable printhead and capping/purging member
An inkjet printer is provided which has at least one pagewidth printhead having a plurality of ink ejection nozzles, a capping/purging member having a length corresponding substantially to that of...
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7562959 |
Ink-jet printing device
An ink-jet printing device is presented including (1) an ink-jet printing head for printing an image by discharging ink droplets from a number of nozzles onto a recording medium and (2) a purging...
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7556341 |
Liquid jet apparatus and cleaning method for liquid jet head
The apparatus has valve units capable of blocking respectively liquid feed paths connecting a liquid storage unit and a liquid jet head, and control unit. The control unit has a function for...
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7547089 |
Ink jet recording apparatus
An ink jet recording apparatus incorporating a plurality of ink tanks that is independently exchangeable. An amount of ink suction for a suction recovery operation is changed and controlled based...
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7547088 |
Method of assembling pagewidth printhead capping arrangement
A method of assembling a capping mechanism of an inkjet printer, the method comprising the steps of: providing a support frame for at least one elongate shaft; positioning the shaft so as to be...
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7543907 |
Ink jet recording apparatus and cleaning control method for recording head incorporated therein
A valve unit 36 is placed in an ink flow passage 35 between an ink cartridge 8 and a recording head 7 and can be controlled in association with the cleaning operation of the recording head ...
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7537307 |
Liquid-droplet jetting apparatus
An ink-jet printer as a liquid-droplet jetting apparatus includes an ink-jet head which includes a channel unit having a plurality of recovery nozzles formed in the vicinity of a plurality of...
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7524018 |
Printer cartridge with capping seal surrounding orifice surface
An inkjet printer cartridge that has a. an orifice plate; and b. a platform surrounding said orifice plate, said platform defining a surface for sealably engaging a cap. By keeping the capping and...
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7524017 |
Printer having pivoted capper for duplexed printheads
A printer is provided having a pagewidth printhead assembly which has opposed pagewidth printheads, pagewidth carriers each pivotally mounting a pagewidth capping member, and an actuating mechanism...
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7517047 |
Maintenance unit and ink jet printer
For an ink jet printer, a maintenance unit having a simple mechanism that ensures a stable well-closed condition is provided. According to the present invention, rigid contact portions are provided...
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7513594 |
Spitting method of an array-type inkjet image forming apparatus
A spitting method of an array-type inkjet image forming apparatus which prints one or more papers and then ejects ink several times to keep nozzles in the optimal condition for printing, in which...
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7513592 |
Cleaning device of liquid jet apparatus, liquid jet apparatus, and cleaning method
A cleaning device mounted on a liquid jet apparatus having a liquid jet head for ejecting liquid in order to clean the liquid jet head is provided. The cleaning device includes: a capping unit...
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7510266 |
Image forming apparatus
An image forming apparatus includes a conveyance unit, a recording head and a cap. The conveyance unit conveys a recording medium. The recording head includes a nozzle formation surface formed with...
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7510264 |
Inkjet printer with arcuately moveable simplex printhead and capping/purging mechanism
A printer is disclosed which has:
(a) a pagewidth printhead assembly having a single pagewidth printhead and a plurality of nozzles located along the printhead for delivering ink onto print media...
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7510260 |
Image forming apparatus capable of performing maintenance operations using usage pattern and a method for the same
An image forming apparatus capable of performing maintenance operations using a usage pattern and a method for the same. The method for performing a maintenance operation of cleaning a printing...
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7506975 |
Sticky baffle
A printing medium baffle for protecting printheads printing on an image transfer member from particulates associated with the printing medium. The baffle may have one or more adhesive surfaces.
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7506956 |
Printing apparatus, printing method, storage medium, and printing system
A printing apparatus includes a carry mechanism, a nozzle, an element, a drive signal outputting section, a temperature sensor, a cap, and a controller. The carry mechanism carries a medium. The...
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7506955 |
Liquid ejection apparatus and cleaning method for liquid ejection apparatus
Liquid is sent from a liquid retainer to a liquid ejection head via a liquid supply line by pressurization force generated by a pressurization device that is driven by a driver. A method for...
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7506953 |
Ink-jet printing apparatus and preliminary discharge control method for the apparatus
In an ink-jet printing apparatus which includes a plurality of printing heads, each having an array of ink discharging elements, preliminary discharge of driving the elements of at least one...
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7497548 |
Inkjet recording apparatus
The inkjet recording apparatus has a capping device for cleaning the inkjet nozzles. The capping device has an interconnected cell type porous elastic member housed in a recessed area which is...
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7497545 |
Image forming apparatus
There is disclosed a compact and inexpensive image forming apparatus which includes a head for discharging inks, an ink supply path fixed in parallel to the head to supply the inks to the head, a...
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7497544 |
Droplet discharging head, droplet discharging device and manufacturing method of microarray
Provided is a droplet discharging head, including: a nozzle formed on a first principal surface; a pressurized room having a pressurization unit that applies pressure on liquid discharged from the...
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7494205 |
Maintenance/recovery device for liquid discharge device and image forming device
In a maintenance/recovery device for a liquid discharging device, a cap member covers a surface of a nozzle of a liquid discharging head, the liquid discharging head discharging a droplet of a...
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7490921 |
Maintenance apparatus of recording head
A maintenance apparatus of a recording head is appressed against a head main body of a recording head during cleaning processing, and an air current which performs suction and removal flows in a...
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7467845 |
Image forming apparatus
The image forming apparatus comprises: a discharging head which has a nozzle surface on which nozzles for discharging liquid droplets are formed; a medium supporting device which supports a...
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7461915 |
Inkjet recording apparatus
An inkjet recording apparatus includes a recording head, a carriage, a movable body, a moving mechanism, and a relative position controller. The recording head is provided with a sub-tank and an...
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7458666 |
Liquid ejection apparatus and liquid filling method for liquid ejection apparatus
In a first intense suction, a supply line K is subjected to suction by a suction pump 23 with a portion of the supply line K held in a blocked state. Subsequently, the blocked portion of the...
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7455399 |
Inkjet printhead primer for a printing device
An inkjet printhead for a printing device includes a fluid reservoir operatively disposed within the printhead and a pressure regulation system in fluid communication with the fluid reservoir. The...
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7455386 |
Inkjet-recording-head flushing method
A method of flushing a nozzle of an inkjet recording head so as to recover an ink-ejection performance of the nozzle. The nozzle ejects, in a recording mode of the inkjet recording head, a...
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7455384 |
Liquid discharging apparatus, and method of performing maintenance on liquid discharging head
A liquid discharging apparatus includes a table that transfers a workpiece in a first scan direction; a carriage that has a liquid discharging head for discharging liquid droplets on the workpiece,...
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7455383 |
Printhead maintenance station having maintenance belt with belt-cleaning station
A printhead maintenance station for maintaining a printhead in an operable condition is provided. The maintenance station comprises: an endless maintenance belt having a contact surface for sealing...
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7452051 |
Inkjet recording apparatus
An inkjet recording apparatus conducts image recording by ejecting ink and a reactive liquid that reacts with the ink onto a recording medium conveyed by an endless conveyor component. The inkjet...
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7445309 |
Ink-jet printing apparatus, control method therefor, program, and storage medium
An object of this invention is to prevent prolongation of the time taken for a suction recovery operation while suppressing wasteful consumption of ink in the suction recovery operation. An ink-jet...
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7440124 |
Ink-jet printer purging device shared by multiple host machines
An ink-jet printer system includes an ink-jet printer and a multiple number of host machines. The ink-jet printer has a storage portion for holding the completion time of the last printing...
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7431420 |
Printing system, controller, print job creation apparatus, method of executing printing process, and program
During the creation of print job data on a job creation terminal, a flushing pattern placement reservation region is previously arbitrary specified and described in placement condition data....
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7431419 |
Method for free spraying of the nozzles of an inkjet print head
In a method for free spraying of the nozzles of an inkjet print head, in particular in a franking and/or addressing machine, in which the print media are directed past a stationary inkjet, at least...
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7422308 |
Liquid ejection apparatus
For cleaning a recording head, a printer seals nozzles by means of a cap member and thus forms a closed circulatory system. In this state, a gear pump is activated and draws waste ink and the air...
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7419240 |
Print head cap
A print head cap includes a bottom surface; and a ring-like lip. The ring-like lip surrounds the bottom surface, protrudes toward a nozzle surface of a print head of an ink jet printer and is...
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7413281 |
Capper for a printhead maintenance station
A capper for a printhead maintenance station is provided. The capper comprises a capping chamber sealingly engageable around a printhead; a constriction member positioned in the capper chamber; an...
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7410248 |
Air bubble removal in an ink jet printer
An ink jet printer including a carriage which is movable relative to a sheet of paper, a recording head which is mounted on the carriage and records an image on the sheet by ejecting a droplet of...
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7410237 |
Image recording apparatus with maintenance unit
An image recording apparatus of the present invention comprises an inkjet head which includes a nozzle plate where a plurality of nozzles that shoot ink are arranged in a column and an ink chamber...
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