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8177315 Printing apparatus and method of controlling the same  
A printing apparatus includes an ejection unit that ejects fluid from nozzles onto a target and a nozzle inspection unit that performs nozzle inspection to inspect whether the fluid is ejected. An...
8177324 Printers and apparatus to clean printer surfaces  
Printers and apparatus to clean printer surfaces are disclosed. An example apparatus to clean a surface in a printer includes an endless cleaning material loop and an advancer to advance the...
8172359 System and method for print head maintenance during continuous printing  
An ink jet printer system includes a partially redundant page-wide array of moveable ink jet print heads in a print zone, means outside of the print zone for servicing the print heads, and a...
8167400 Droplet ejecting device capable of recovering ejection performance efficiently  
A droplet ejecting head is formed with at least one nozzle and is configured to eject a liquid droplet through the at least one nozzle in a nozzle axis direction. A carriage supports the droplet...
8169658 Printing apparatus for preventing paper curl  
A printing apparatus includes: an image data acquiring unit which acquires image data representing an image of a print target; a print data generating unit which on the basis of the image data...
8162434 Cap and ink-jet head protection assembly  
A head cap for protecting an ink ejecting face of an ink-jet head may be provided with a plate member. The plate member may be opposed to the ink ejecting face. The head cap may include a flexible,...
8162433 System and method for scheduling ink jet recovery in an ink jet printer  
A method enables an ink jet image generating system to select an operational mode in response to detection of a missing ink jet. The method includes generating a digital image of an ink image on an...
8162436 Fluid discharging apparatus  
A fluid discharging apparatus including a head that has a nozzle which discharges fluid from the nozzle and a sheet shaped wiping member for wiping a nozzle surface of the head. The wiping member...
8157348 Print head servicing for a page wide array printer  
A page wide array printer comprises a print head bar which carries an array of print nozzles, and which is static during a printing operation. A carriage has print head service elements. The print...
8147028 Nozzle inspecting device in fluid discharge apparatus, fluid discharge apparatus, and nozzle inspection method  
A nozzle inspection device includes an inspection electrode placed apart from a discharge unit with a gap therebetween, an inspection unit for inspecting the presence of a defective nozzle by...
8147029 Liquid ejection apparatus  
A liquid ejection apparatus includes a heater controller and a purge controller. The heater controller controls a heater to heat liquid in at least a part of a liquid path of a head when an ambient...
8147027 Ink jet printing apparatus and ink jet printing method  
An ink jet printing apparatus and an ink jet printing method are provided which can perform ink ejection performance recovery operations on a print head at optimal timings while at the same time...
8136909 Ink jet printing apparatus and ink processing method for same  
In an ink jet print head formed with ejection nozzles, which may use a wiping member to wipe ink adhered to the surface of the ink jet print head, it is desired to be able to perform a wiping...
8136917 Image forming apparatus and image forming system  
An image forming apparatus includes: a liquid jetting head jetting a liquid to form an image; a recovery mechanism discharging the liquid in the liquid jetting head to an external part to recover...
8132889 Method for detecting purging ink flow through printhead heater chip nozzles by thermal analysis  
A method for detecting ink flow through a printhead, due to a successful purging of the nozzles of a heater chip of the printhead, includes moving the printhead to a location in preparation for a...
8128191 Maintenance method for discharging head, maintenance device for discharging head, droplet discharging apparatus, discharging head, and computer program  
A maintenance method is provided for a discharging head in which multiple discharging portions are arranged in line. The maintenance method includes the steps of performing an operation of...
8123331 Image forming apparatus and information recording medium  
An ink-jet printer performs formation of an image by jetting an ink from nozzles of an ink-jet head. When a power supply is switched ON after a time measuring section is not capable of measuring...
8123330 Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head  
In an ink jet head using a thermal energy for ejecting ink, this invention aims to reliably and uniformly remove kogations deposited on a heat application portion in contact with the ink. To...
8109597 Image forming apparatus and control method for image forming apparatus  
An image forming apparatus which forms an image includes: an intermediate transfer body which is conveyed in a conveyance direction; a washing liquid application device which applies a washing...
8100495 Inkjet printhead  
Disclosed is a thermal inkjet printhead including at least one volume-changing body that can be used to maintain a flow resistance of ink that flows into an ink chamber substantially constant over...
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...
8087294 Discharge inspection mechanism, recording device, discharge inspection method, and discharge inspection program  
When vibrations that may adversely affect the results of inspecting recording fluid discharge occur during the discharge inspection, properly discharging nozzles may be determined to be not...
8083311 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...
8070253 Head cleaning method for an inkjet printer and an inkjet printer  
An inkjet printer and a head cleaning method for an inkjet printer reduce the time required for head cleaning while also reducing needless ink consumption. The control unit 30 of the printer 1...
8068253 Recording apparatus  
A recording apparatus having a buffer to store recording data associated with a recording area in a scanning direction of a recording head divided into a plurality of areas. The buffer stores the...
8038253 Ink jet recording apparatus and maintenance method thereof  
The invention provides a configuration capable of judging whether an ink jet head is exchanged or whether it is replaced, and changing an amount of recovery operation when the ink jet head is...
8029091 Ink-jet recording apparatus  
The present invention provides an inkjet recording apparatus includes an inkjet head, a conveyor, a printing controller, an image sensor, a blocking object determining unit, and a blocking object...
8025357 Fluid ejecting apparatus and ejecting head maintenance method  
A method for maintaining a fluid ejecting apparatus including an ejecting head that has an ejecting surface in which a plurality of ejecting ports that eject fluid are formed, and a maintenance...
8016381 Liquid ejecting apparatus and method of controlling same  
When a predetermined time T1ref has elapsed from performance of a previous cleaning, all nozzles in a nozzle row as an inspection target are driven at a drive frequency of a maximum frequency so...
8015939 Imprintable medium dispenser  
An imprintable medium dispenser includes a chamber, a nozzle, and an actuator connected to the chamber and configured to be actuated and thereby generate a pressure wave within the chamber such...
8011752 Image recording apparatus  
An ink jet printer has a carriage equipped with a recording head. The carriage is disposed downstream in a feeding direction of a recording medium. The carriage has an optical sensor for measuring...
8011751 Inkjet printer and recovery method for a print head  
A recovery process starting unit extracts a low print demand period, and sets the extracted low print demand period as the start time for the print head recovery process. When the start time comes,...
8007071 Image forming apparatus and information recording medium  
An image forming apparatus includes: a liquid tank which retains a liquid; a liquid jetting head connected to the liquid tank and having a nozzle for jetting the liquid; a carriage on which the...
8007064 Image forming apparatus, image forming method, and recording medium storing program that causes the apparatus to execute the method  
An image forming apparatus includes ink cartridges, image forming units, an ink-remaining-amount manager, a maintenance determiner, an information writer, an ink-amount estimator, and a...
8007070 Ink-jet printer and maintenance method for ink-jet printer  
Ink consumption amount is calculated based on an ink amount which is used for recording and periodic preparatory jetting in a predetermined time period after a previous discharge operation. An ink...
7997678 Inkjet recording apparatus and method for recording an image  
A method and recording apparatus including discharging ink to record an image, storing a parameter relating to a cumulative recording amount of the recording apparatus, setting a detection interval...
7997679 Image forming apparatus and controlling method therefor  
An image forming apparatus for forming an image on a recording medium is disclosed. The image forming apparatus includes a print head (4) having an ink emitting surface (6) in which there are...
7992960 Non-user-initiated preventative maintenace modes for inkjet-printing device  
One or more preventative maintenance mode parameters for an inkjet-printing device having an inkjet-printing mechanism are determined based on a water loss rate of water from ink within the device...
7988250 Continuous printing using temperature lowering pulses  
A printer includes a printhead and a source of liquid. The printhead includes a nozzle bore. The liquid is under pressure sufficient to eject a column of the liquid through the nozzle bore. The...
7984959 Detection of missing nozzle for an inkjet printhead  
A technique for detecting a defective printhead nozzle employing acoustical energy. During printhead maintenance, the nozzles of the printhead are sequentially fired to eject ink therefrom. The...
7980656 Liquid ejection head  
On a liquid ejection head substrate, an upper protective layer, as well as coming into contact with a resin layer of a path forming member having an ejection opening, comes into contact with ink in...
7976119 Printing apparatus  
A printing apparatus includes a recording head that prints an image and an ink cartridge that stores ink to the recording head. The ink cartridge includes an ink pack and an ink-end sensor that...
7967410 Method and apparatus for forming image  
An image forming apparatus includes an apparatus body, a conveying mechanism that is provided in this apparatus body and conveys a sheet, a recording head that moves along a moving path orthogonal...
7963630 Method for setting the relative speed between a print head and a recording medium in a thermotransfer printing device  
In a method and thermotransfer printing device for setting the speed of a relative movement between the print head and a recording medium during a printing procedure in the thermotransfer printing...
7950769 Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head  
In an ink jet head using a thermal energy for ejecting ink, this invention aims to reliably and uniformly remove kogations deposited on a heat application portion in contact with the ink. To...
7942493 Image forming apparatus  
A disclosed image forming apparatus for forming an image on a recording medium includes an inkjet head having a nozzle surface and inkjet nozzles on the nozzle surface and configured to jet ink...
7918531 Ink-jet recording apparatus and method of cleaning recording head of ink-jet recording apparatus  
An ink-jet recording apparatus, including: a recording head including ink chambers each provided for each of inks of mutually different colors and nozzles each communicating with either of the ink...
7916314 Facsimile apparatus and printing method with cleaning of ink-jet nozzles based on print resolution of received image or telephone number of sender  
The invention provides a facsimile apparatus that includes: a receiving section that receives facsimile data; a print head that discharges ink from nozzles so as to print out an image; a cleaning...
7909431 Image recording apparatus  
An image recording apparatus includes liquid ejection heads, wipers, and a movement means. The liquid ejection heads respectively have ejection faces, and are arranged in such a manner that the...
7871146 Printing apparatus, recording head cleaning method, control process and computerized cleaning program for the recording head in a printer  
The cleaning process best suited to the condition of an inkjet printer is selected and run, thereby removing nozzle clogging without wastefully consuming ink. The first time a cleaning switch 7 is...