Matches 251 - 300 out of 510 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
6629748 Image forming apparatus and image forming apparatus pump  
An image forming apparatus includes cap members for capping ejection outlets of an ejection portions for ejecting liquid to a recording material; pump diviec including suction inlets in fluid...
6626516 Ink jet printing apparatus, method of supplying ink and method of recovering ink jet print head  
The ink jet printing apparatus has an ink moving device for returning almost all of the ink in the sub ink tank to the main ink tank. The method of supplying ink has a first step of returning the...
6619781 Liquid eject apparatus and eject recovery method  
An image forming apparatus and an image forming method constituted as follows can suppress a mix color phenomenon and the like without consuming a large amount of pre-ejected ink. A cap for...
6616265 Suction cap for ink-jet recording apparatus  
The invention includes a suction cap that does not retain ink therein. The suction cap includes a cap member having a recess and a suction opening formed therein and a capillary force generating...
6612683 Ink supply recovery system, ink-jet printing apparatus and image pick-up device having recording mechanism  
An ink supply recovery system comprises a pack body including a main tank and a waste ink receptacle. The pack body is detachably mounted on a printer body. The printer body includes a sub-tank...
6612682 Pressure generating apparatus, printing apparatus, and method for controlling printing apparatus  
The present invention appropriately determines a point of time when a pressurization member such as a pump roller starts squeezing an elastic tube, that is, a point of time when a tube pump starts...
6609780 Ink jet printer having a mechanism for driving wiper and purge pump  
A planetary gear mechanism is assembled into a pump unit frame with an ink supply pump, a buffer purge pump, a suction pump, a motor shaft gear, and a wiper member. The buffer purge pump and the...
6607262 Reserving ink for printer servicing purposes  
An inkjet printing system and method that enables printing to continue after an ink supply has been depleted without damaging the printhead associated with the depleted ink supply. The method...
6592214 Ink-jet head, ink-jet head with bubble extracting device, and ink-jet type printing apparatus  
An ink-jet type printing apparatus includes a recording medium conveyor device, an ink-jet head for forming an image on a conveyed medium, and a bubble extracting device. The ink-jet head has an...
6585347 Printhead servicing based on relocating stationary print cartridges away from print zone  
A print cartridge support structure holds one or more print cartridges in a stationary position while applying ink on media. A printhead servicing station is located outside of the print zone and...
6578949 Ink jet recording device and method of driving and controlling the same  
A cap member ( 10 ) which is brought into contact with a nozzle forming surface of a recording head ( 15 ) to seal up the nozzle forming surface, and a wiping member ( 11 ) which may be brought...
6578948 Ink jet recording apparatus and recovery method thereof  
An ink jet recording apparatus which discharges ink from an discharge port provided in the discharge port surface of recording device comprises a cap closely contacting said discharge port and...
6568789 Print head maintenance device used in a printing device  
A print head maintenance device is used in a printing device. The print head maintenance device cleans a print head of the printing device. The print head is movable on a horizontal track of the...
6565186 Ink jet head, ink jet apparatus and method of recoverably activating in the apparatus  
To reduce a quantity of uselessly consumed ink when an ink jet head is recoverably activated, the capacity of an ink path communicated with a group of ejecting ports having a small flow rate...
6554393 Ink jet recording apparatus  
To propose an ink-jet recording apparatus having a small-sized compact driving mechanism for driving an ink suction pump, an elastic blade for wiping a recording head, and a locking arm for locking...
6550890 Ink jet printing apparatus  
An ink jet printing apparatus including a cap for capping ink orifices provided on a head face of an ink jet print head, an in-cap absorbing body disposed in the cap, the in-cap absorbing body not...
6550888 Recovery of ink jet recording apparatus using controlled suction of ink  
In an ink jet recording apparatus having an ink jet head, an ink discharge from the head is executed to maintain and recover the discharge performance thereof. A cap is located opposite to the ink...
6543876 Ejection recovery system and ejection recovery method  
An ink-jet cartridge constructed with an inkjet printing head and an ink tank is positioned and filed on an upper surface of a base in a condition where ink ejection opening forming surface of the...
6543877 Direct printing machine by ink jet on a medium  
The invention concerns a direct printing machine by ink jet on a medium, including one or several printing heads with a spray nozzle, each head being dedicated to one shade. The invention is...
6533387 Inkjet printing system using single motor for print media advance and carriage motion  
An inkjet printing system includes a print media transport assembly which routes a print medium through the inkjet printing system, a carriage assembly which holds an inkjet printhead assembly and...
6527361 Refreshing and recovering ink discharge in a multi-color ink jet recording apparatus  
This ink jet recording apparatus makes it possible to reduce the requisite number of times that preliminary ejection is performed for the purpose of ejection recovery through suction, which must be...
6523931 Method and apparatus for priming a printhead  
A method and apparatus for priming a printhead. The method includes the steps of bringing a vacuum pump up to a predetermined speed and sealingly engaging a printhead with a capping mechanism after...
6520618 Pump, device for recovering liquid ejection and image forming apparatus equipped with the pump  
The present invention provides a compact pump capable of simultaneous sucking/discharging desired volumes of fluid in a plurality of systems, which includes a separating wall dividing a cylinder...
6520620 Gear train for a maintenance station of an ink-jet printer  
A maintenance station of an ink-jet printer includes a maintenance carrier. The maintenance carrier has a plurality of positions, including a pumping position. A respective maintenance function is...
6517189 Ink jet print device and ink supply method for supplying ink to print head of the ink jet print device  
A head is formed with a plurality of nozzles and a common ink chamber fluidly connected with the nozzles. A sub ink tank is provided above the head. Ink housed in a main ink tank is supplied into...
6508533 Ink-jet printing apparatus and recovery processing method of ejection port  
An ink-jet printing apparatus, a cap and an ejection recovery method can satisfactorily perform a recovery process for respective ejection openings having different ink flow resistances and permit...
6497471 Service station for inkjet printheads  
A service station system for cleaning printheads, particularly inkjet printheads is provided. The service station includes a body having a seal attached thereto and at least one pressure operated...
6494560 Ink jet printer and printing system using the same  
When ink is sucked from the nozzles during a cleaning process, a rubber cap having a plural number of small spaces independently operable for ink suction is applied to a print head, and only the...
6491368 Priming system for multicolor ink jet printers  
A priming system for selectively priming one of the two printheads of a multicolor ink jet printer. When one of the printheads require periodic priming, the printheads are transported to the...
6491369 Head cleaning unit for ink-jet printer capable of sufficiently sucking up waste ink  
A head cleaning unit for cleaning a printing head by sucking waste ink from the printing head, includes an ink collector attached to a cap so as to contact with the cap. The cap includes a...
6491370 Ink jet recording apparatus  
An ink jet recording apparatus has a recording head 22 having pressure chambers to which ink is supplied, pressure generation elements for generating pressure in the pressure chambers, and nozzle...
6481826 Ink jet recording apparatus, method of discharging ink from capping unit incorporated in the apparatus, and ink composition used with the apparatus  
A recording head has a nozzle formation face provided with nozzle orifices from which ink drops are jetted to print on a recording medium in accordance with print data. A capping unit has an...
6481824 Ink jet recording apparatus and recording head cleaning control method thereon  
A valve unit is arranged in an ink supply path located between an ink cartridge and a recording head in an ink jet recording apparatus. The valve unit controls the opening and closing of the ink...
6478402 Method and device for cleaning a nozzle outlet surface on a print head of an ink jet printer  
A method for cleaning a nozzle outlet surface on a print head of an ink jet printer by a cleaning head, the ink being wiped off the nozzle outlet surface by a doctor blade on the cleaning head and...
6450609 Methods for charging and priming fluid ejector heads  
A priming method for a fluid ejection system that divides the priming schedule for the ink ejector into two parts (charging and priming). Priming is well known in the industry and is a high...
6447094 Firmware sensoring systems and methods for a maintenance mechanism of an ink jet printer  
A firmware sensoring system and method includes a driving and control portion for rotating a cam shaft to actuate various maintenance operations of a maintenance station. In various exemplary...
6422680 Ink jet recording apparatus and cleaning control method for the same  
An ink jet recording apparatus having a capping unit for sealing the nozzle formation face of a recording head and sucking and discharging ink from the recording head by the action of a negative...
6402289 Liquid jet apparatus with a drive source for driving a cap and a suction device  
A liquid jet apparatus includes a recording head for discharging a recording liquid from a nozzle, a cap for capping the nozzle of the recording head, a suction device for sucking the recording...
6398337 Ink jet printhead scrubbing and priming apparatus and method  
An ink jet printhead scrubbing and priming method and apparatus are provided. The apparatus of the method includes a capping member for capping a nozzle face of an ink jet printhead. The capping...
6382766 Maintenance apparatus for ink nozzle of image forming apparatus  
An improved ink jetting nozzle maintenance apparatus not only for preventing a blockage in a nozzle with a minimum number of parts for a service station device for service function for reducing ink...
6382767 Method and device for cleaning a print head of an ink jet printer  
A method for cleaning a print head of an ink jet printer by a cleaning tape, which comprises sucking away printing ink from the print head by a suction device, and wiping or doctoring off the print...
6371595 Ink jet printer  
The invention provides an ink jet printer, for example, having a tiny protrusion provided on a blade holder for holding a wiper blade at the side opposite to that cap, a coil spring for pulling the...
6364449 Ink jet recording apparatus and cleaning control method for the same  
An ink jet recording apparatus comprises: at least one recording head having a face on which a plurality of nozzle orifices are formed, the recording head mounted on a carriage to be moved...
6325484 Method of removing air bubbles from ink supply passage in ink jet recording apparatus and ink jet recording apparatus capable of employing said method  
An air-communicated opening (8a) of an ink cartridge (8) connected to an ink jet recording head (7) is sealed to apply negative pressure from the suction device (11) to the recording head (7)...
6318835 Ink-jet printer with maintenance mechanism  
An ink-jet printer with a maintenance mechanism uses a single cam to clean and maintain a recording head. The cam is driven by a paper-feed motor in the forward direction during the maintenance...
6312088 Ink jet recording apparatus  
When ink cartridge (1), (2) is detached and attached, kinds of mounted ink cartridge (1), (2) is judged according to ID data and data relating to ink amount in memory means (32, 42). A small amount...
6312093 Ink jet recording apparatus  
In an ink jet recording apparatus provided with a recording head having a discharge port for discharging ink, sucking device for effecting suction from the discharge port, a wiping for wiping a...
6293641 Recording apparatus for periodically emitting recording materials by material specific emission amount  
A recording apparatus capable of printing with high resolution and high precision at high speed while preventing drying of the ink jet head includes an ink jet head for emitting a plurality of...
6293647 Liquid discharge apparatus  
A liquid discharge apparatus includes a carriage on which are exchangeably mounted a recording discharging portion, for which is formed a recording liquid discharging port from which a recording...
6283573 Ink jet-type printer control with ink purging function  
An ink jet-type printer apparatus has a purging device which purges ink in an ink cartridge through ink jet nozzles by applying vacuum to the ink jet nozzles at the time of exchange of the ink...
Matches 251 - 300 out of 510 < 1 2 3 4 5 6 7 8 9 10 11 >