Matches 451 - 500 out of 510 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
5248999 Ink jet printing apparatus having ink purging feature  
An ink jet type recording device has a recording head which is moved over a recording sheet to jet ink droplets to form dots on it, an ink tank for supplying ink to the recording head, a cap member...
5210550 Maintenance station for ink jet printers  
A maintenance station for an ink jet printer of the type having a printhead movable between an operating position and a maintenance position provides the capability of priming the printhead as well...
5185614 Priming apparatus and process for multi-color ink-jet pens  
Multi-color ink-jet pens having an orifice set associated with each color are primed by an apparatus that avoids mixing of two colors during priming. A resilient seal forms a chamber that encloses...
5184147 Ink jet print head maintenance system  
An ink jet print head cleaning and maintenance system has a purge chamber for applying a vacuum to a nozzle orifice surface. A specialized baffle diverts ink entering the purge chamber away a vent...
5166708 Recording apparatus having plural suction recovery caps  
A recording apparatus has a first carrier carrying a first recording head thereon and a second carrier carrying a second recording head thereon the apparatus is operable in a first recording mode...
5164748 Suction recovery device with a cap having a communicating member to aid suction  
A suction recovery device comprises a cap for covering a discharge port face of a recording head for discharging ink onto a recording medium. The cap has an ink suction port and an ink exhaust path...
5159348 Ink jet printing apparatus  
In an ink jet printer, a printhead assembly comprising a printhead and an ink reservoir is mounted on a scanning carriage for movement across a recording medium. During printing, droplets of ink...
5153613 Suction recovery device for ink jet recording  
In a suction recovery device in a liquid jet recording apparatus in which the discharge port surface of a recording head is capped by a cap in response to the movement of a carriage carrying the...
5148203 Ink jet recording apparatus including a drive mechanism for an ink ejection recovery systems  
An ink jet recording apparatus includes a shaft for receiving rotational driving force; a clutch gear mounted on the shaft rotated by rotation of the shaft and movable in a longitudinal direction...
5138343 Ink jet recording apparatus with recovery means  
A recording apparatus effects a recording operation by scanning a recording medium in a predetermined direction with a recording head provided with discharge openings for recording liquid. A cap...
5138334 Pneumatic surface cleaning method and apparatus for ink jet printheads  
In an ink jet printer, an arrangement is provided for cleaning the face of the printhead in which the ink ejecting orifices are located. The arrangement includes a suction chamber directed towards,...
5128690 Recovery unit and method that expel foreign matter into a common liquid chamber of an ink jet head using a partial cap  
An ink jet apparatus comprises an ink jet head having plural discharge openings for discharging ink and plural liquid channels communicating with respective discharge openings. A partial cap...
5126766 Ink jet recording apparatus including means for opening and closing an ink supply path  
The present invention provides a liquid jet recording apparatus, comprising: an open/close means arranged in an ink supply path supplying ink to a discharge opening of a recording head, for...
5126764 Sheet transport unit for recording systems  
In a sheet transport unit for recording systems which uses a pulse motor to feed a recording sheet quantitatively and intermittently, multiple different current apply intervals are specified within...
5086305 Liquid injection recording apparatus and suction recovery device using capping means integrally provided with a plurality of caps  
In a suction recovering device used in a liquid injection recording apparatus having a cap integrally provided with a plurality of caps, each for hermetically sealing the circumference of the...
5055856 Capping device for ink jet printers  
A capping device for an ink jet printer includes a cap supported on a cap support member adapted to press the cap against a print head with a uniform pressure distribution despite variation in the...
5055855 Pixel interval compensating method  
A method of compensating the interval of a plurality of pixels to be simultaneously recorded on a recording surface. The plurality of pixels are recorded by a plurality of beams whose light...
5051761 Ink jet printer having a paper handling and maintenance station assembly  
A paper-handling and maintenance station assembly for use in an ink jet printer is described. A paper-handling loop is included in a paper conveying system. The loop has at least one opening...
5040000 Ink jet recording apparatus having a space saving ink recovery system  
An ink jet recording apparatus comprises a recording head having a discharge port for discharging ink as a droplet, a head recovery device provided at a position opposed to the discharge port of...
5018884 Recording apparatus in which a plurality of carriages can be connected and separated  
A recording apparatus has a first carrier carrying a first recording head thereon and movable, a second carrier carrying a second recording head thereon and movable, a first recording mode in which...
4999643 Discharge recovery device and apparatus having suction means and vent means communicating with capping means  
Suction recovery device for use in an ink jet printer provided with an ink jet recording unit for emitting ink to a recording surface of a recording medium and a cap member to face the recording...
4967204 Method for ensuring stable operation of an ink jet recording apparatus  
An operation method on an ink jet recording apparatus, comprises the steps of: moving a recording head to a position at which the recording head faces to a cap, causing the recording head to...
4952947 Ink discharge recovery device having at least one suction-applying conduit located at a particular position in a capping member and an ink jet recording apparatus incorporating the device  
A discharge restoring device for an ink jet recording apparatus, comprises a cap member for covering a plurality of discharge openings for discharging ink, and a suction means for sucking the ink...
4926196 Ink jet printer  
An ink jet printer has a recovery system for sucking ink from nozzle orifices together with air bubbles stagnant in orifices so as to recover the normal state in the orifices. The recovery system...
4893138 Ink jet recovery device including a communicating valve and a ventilating valve  
A recovery device for an ink jet recording apparatus having a cup for an ink discharge port of a recording head and a suction device communicating with the cap for sucking ink from the ink...
4888602 Recording apparatus with bipositional sheet guiding member  
A recording apparatus for recording on a sheet with a recording device includes a sheet conveying device, a bipositional sheet guiding member and independently operable driving mechanisms for the...
4881085 Vacuum powered manually operated cleaning tool for active surfaces of fluid-jet print head  
A manually operated cleaning tool for use in a liquid jet printing apparatus of the type having a manifold assembly with an interior cavity and which generates a linear array of droplet streams...
4876558 Pump device and an ink jet recording apparatus having the pump device  
In a pump device wherein a piston is reciprocally moved in a predetermined range within a cylinder to thereby produce pressure, a liquid inflow hole is provided outside the predetermined range of...
4847637 Ink jet recording apparatus having a cap for maintaining a clean discharge port  
An ink jet recording apparatus comprises a discharge port for discharging the ink, a storing portion for storing the ink therein, a cap for covering said discharging port, pump means communicated...
4825231 Cap mechanism for use with an ink jet head  
A cap mechanism for use with an ink jet head including a cap member for covering the ink jet head provided with nozzles on the front end face thereof, caps formed on the cap member to fit onto the...
4819012 Ink-jet printer with cap means  
An ink-jet printer has a printing means for discharging ink from a discharge port so as to print on a recording medium, a cap means for closing the discharge port of the printing means, an...
4806955 Ink jet printer of the ink-on-demand type  
An ink-on-demand type ink jet printer includes a printer head having at least one nozzle, pressure chamber and means for pressurizing an ink in the pressure chamber so as to effect ejection of an...
4800403 Method and apparatus for restoring operation of ink jet printing nozzles  
The apparatus makes it possible to restore operation of the nozzles of a print head by removing blockages and eliminating any bubbles of air or gases which may have formed in the ink jet printing...
4745414 Recovery device for an ink jet recorder and a recovery method thereof  
An ink jet recorder is provided with a recovery device for preventing unsatisfactory ink discharge of a recording head, the recovery device being provided with ink suction means having a cap...
4739340 Ink jet capping-purging operational checks method  
In a capping mechanism wherein the surroundings of orifices provided to discharge liquid are sealed and suction of the liquid is effected by a negative pressure, a liquid absorbing member is...
4728970 Suction recovery apparatus of ink-jet printer  
An apparatus for recovering the discharge function of an ink-jet printer by suction comprises a plurality of cap members facing fluid discharge recording means each for ejecting an ink onto a...
4682184 Suction recovering device for an ink jet printer and ink jet printer having the same device  
A suction recovering device for an ink jet printer is provided with liquid injection recording means for injecting ink to the recording surface of a recording medium to thereby effect recording and...
4631554 Ink jet printing apparatus with suction recovery unit  
An ink jet printing apparatus has a printing head assembly for ejecting an ink as an ink drop from an opening on a printing medium, the ink being stored inside the ink jet printing apparatus; and...
4631556 Liquid jet recording apparatus  
Liquid jet recording apparatus, in particular, for use in ink-jet recording apparatus. The liquid jet recording apparatus comprises recording liquid storing chambers of large and small capacities....
4628333 Ink jet recording head and ink jet recorder  
An ink jet recording head has a nozzle for discharging ink and an ink chamber for supplying ink to the nozzle. A valve mechanism actuated by a vacuum force is arranged in the ink chamber in which...
4587535 Liquid jet apparatus with pressure sensor for indicating absence/presence of liquid  
An ink jet recording apparatus comprises: at least one ink jet head to emit a recording ink; main and sub ink tanks to store the ink which should be supplied to the head; a negative pressure...
4586058 Ink jet printing apparatus  
An ink jet printing apparatus capable of removing bubbles introduced into ink which is routed from an ink supply cartridge to a plurality of nozzles. A head holder adapted to support a head, which...
4577203 Ink jet recording apparatus  
An ink jet recording apparatus for projecting ink onto a recording medium. The apparatus includes an ink jet head adapted to receive ink having an ejection nozzle for ejecting ink towards said...
4567494 Nozzle cleaning, priming and capping apparatus for thermal ink jet printers  
Cleaning and priming of ink-ejecting nozzles is achieved by engaging the nozzles with an elastomeric suction cup as the printhead moves to the beginning or ending of a print line. The suction cup...
4558326 Purging system for ink jet recording apparatus  
In an ink jet recording apparatus of the ink-on demand type, the recording ink is forcibly sent from a pressure chamber in the recording head to nozzles which jet the recording ink onto a recording...
4556894 Ink-jet type printer and a function restoration suction device  
An ink-jet type printer includes a unit for drawing an ink from the tip of a recording head, a vessel for collecting the waste ink drawn by the drawing unit, a chamber for detachably receiving the...
4543591 Suction recovery apparatus  
A suction recovery apparatus comprises a capping unit for hermetically sealing the end of a recording head for discharging ink, a unit for mounting the capping unit movement toward the recording...
4518973 Ink jet printer vacuum purging system  
An ink jet printer comprises a recording head for discharging ink from an end thereof, a capping unit for releasably sealing the end of the recording head, a suction unit for sucking the end of the...
4510510 Inkjet printer  
An inkjet printer has a plurality of storing members for storing inks of different colors, a plurality of recording units for injecting the inks stored in the storing member, a plurality of air...
4506277 Nozzle-restoring suction device for ink jet printer  
This invention provides a nozzle-restoring suction device provided with a suction unit for generating a negative pressure, a capping unit provided with closing caps for tightly closing respective...
Matches 451 - 500 out of 510 < 1 2 3 4 5 6 7 8 9 10 11 >