Abstract: A resealed inkjet printer cartridge and method of manufacture in which an ink cartridge is reconditioned, recharged and resealed by a process which substantially eliminates “air lock” or interruption of ink flow to the printer head due to entrained air; which provides for welding together recharged cartridge subassemblies without the use of consumable adhesive or glue; and having a keyless cap adapted for use in various keyed cartridge receptacle inkjet printers.

Abstract: An ink supply system for purging an inkjet printhead is provided. The ink supply system comprises: (a) a first ink reservoir for supplying printing ink to the printhead; (b) a second ink reservoir for supplying purging ink to the printhead; and (c) a valve having a plurality of configurations, wherein: in a first configuration the valve provides fluid communication between the printhead and the first ink reservoir via a first ink conduit, and in a second configuration the valve provides fluid communication between the printhead and the second ink reservoir via a second ink conduit.

Abstract: A method of cleaning an ink ejection face of an inkjet printhead is provided. The method comprises the steps of: (i) supplying cleaning liquid to the printhead via an ink conduit in fluid communication with nozzles in the printhead; and (ii) purging the cleaning liquid from the printhead, thereby flooding the face with cleaning liquid.

Abstract: An apparatus for coating polyimide layer includes a print table for affixing a substrate thereon, an inkjet head installed over the print table and having a jetting surface with a plurality of nozzles for jetting polyimide liquid onto the substrate, a polyimide liquid supply tank for receiving a polyimide liquid therein, a cleaning liquid supply tank for receiving cleaning liquid, a wiper cleaning bar adjacent to the cleaning liquid supply tank, and a wiper movable from one side of the jetting surface to an other side of the jetting surface while the wiper contacts the jetting surface of the inkjet head, and rotatable to dip the wiper into the cleaning liquid and then contact the wiper cleaning bar so as to remove cleaning liquid from the wiper.

Abstract: A blade engagement apparatus for metering release agent onto an image forming device associated moving surface, such as a Solid Ink Jet drum. The blade engagement apparatus includes a blade positioning mechanism having a blade holder rotated about a fixed pivot point disposed a distance LD from the moving surface. A plurality of metering blades extending from the blade holder each include a blade tip disposed a distance LB from the pivot point such that LB is greater than LD. A replacement blade is brought into a working position in deflected engagement with the moving surface for metering a release agent onto the surface while the used blade is moved into a non-operational suspended position. Various blade replacement strategies are used to initiate a blade replacement operation.

Abstract: A liquid discharging apparatus that discharges liquid droplets onto a work includes a head that is supplied with discharging liquid to discharge the liquid droplets; a liquid cleaning unit that contains cleaning liquid to be mixed with the discharging liquid adhered to a nozzle surface of the head; and a transport unit that moves the nozzle surface of the head relative to the liquid cleaning unit to remove, from the nozzle surface, the discharging liquid adhered to the nozzle surface.

Abstract: Provided are a liquid composition for cleaning a nozzle surface of an inkjet printer, a method of cleaning a nozzle surface using the liquid composition and an inkjet recording apparatus including the liquid composition. The liquid composition includes a polyoxyethyleneglycol-based compound and may include a stabilizer.

Abstract: A cleansing method of fluid-supply apparatus and cleansing module using the same is disclosed. First, a cleansing module is fixed to the fluid-supply apparatus to be cleansed for disposing the nozzles of the fluid-supply apparatus in the cleansing tank of the cleansing module. Second, a liquid used for cleansing is supplied inside the cleansing tank, and ultrasonic-wave vibration of the liquid is provided to remove plug stuck on the nozzles. Later, plug remained on the nozzles is scraped down and meanwhile the waste liquid is drawn out of the cleansing tank for further improving cleansing efficiency of the cleansing method. By using the cleansing method of the present invention, plug on the nozzles of the fluid-supply apparatus can be effectively removed and consequently lifetime of the fluid-supply apparatus is extended. Additionally, the cleansing method is capable of dramatically reducing working time required and of increasing efficiency of cleansing fabrication process.

Abstract: A printhead maintenance system for maintaining a printhead having an ink ejection face is provided. The maintenance system comprises: (a) a foaming system for providing liquid foam on the face, (b) a foam transfer surface for receiving the foam from said face, (c) a transport mechanism for feeding said transfer surface through a transfer zone and away from said printhead, and (d) a valve configurable in first and second positions, the first position for establishing fluid communication between said printhead and an ink supply system and the second position for establishing fluid communication between said printhead and said foaming system. The transfer zone is adjacent to and spaced apart from said ink ejection face.

Abstract: A droplet ejecting device includes: a droplet ejecting head having a nozzle surface at which plural nozzles that eject droplets are formed; an applying member applying a cleaning liquid to the nozzle surface; a wiping member disposed so as to be spaced apart from the applying member, and moving relative to the nozzle surface while contacting the nozzle surface, and wiping-off the cleaning liquid applied to the nozzle surface; and a unit for moving that moves both the the droplet ejecting head, and the applying member and the wiping member, relative to one another.

Abstract: An ink-jet printer includes an ink-jet head which includes a nozzle, a main liquid droplet trapping section 30 which traps only a main liquid droplet, and a cover member which surrounds a space in which a satellite liquid droplet which is jetted from a nozzle at the same time when the main liquid droplet is jetted, flies. It is possible to suppress a decline in an accuracy of a landing position of the satellite liquid droplet, caused due to a change in a trajectory of flying of the satellite liquid droplet due to an effect of a flow of air in the space. Accordingly, it is possible to provide a liquid droplet jetting apparatus which is capable of controlling accurately the landing position of a very small satellite liquid droplet.

Abstract: This invention provides a maintenance liquid for ink jet recording containing water, a resin solvent, and a moisturizing agent.

Abstract: An inkjet recording apparatus includes a belt transporting apparatus, a nip roller nipping a recording medium in cooperation with an outer peripheral face of a transport belt at a predetermined position, a nip-roller moving mechanism, an inkjet head, an applying unit which applies cleaning fluid to the outer peripheral face, a blade which is in contact with the outer peripheral face on a downstream side of a position where the cleaning fluid is applied to the outer peripheral face to scrape off the cleaning fluid and ink that adhere to the outer peripheral face, a travel controlling unit which controls the transport belt driving unit to cause the transport belt to travel, and a nip-roller movement controlling unit which causes the nip roller to be contacted with the outer peripheral face after an initial contact place passes the predetermined position.

Abstract: An apparatus for coating a polyimide layer includes a print table for receiving a substrate thereon, an inkjet head positioned over the print table and having a jetting surface with a plurality of nozzles for jetting polyimide liquid onto the substrate, and a polyimide liquid supply tank for supplying polyimide liquid, and a wiper movable from one side of the jetting surface to an other side of the jetting surface while the wiper contacts the jetting surface of the inkjet head.

Abstract: A method of removing particulates from an ink ejection face of a printhead is provided. The method comprises the steps of: (a) flooding the face with ink from the printhead, thereby dispersing the particulates into the flooded ink; and (b) transferring the flooded ink, including the particulates, onto a transfer surface moving past the face. Damage to the face is avoided since the transfer surface does not contact the face.

Abstract: The invention relates to dissolving an anionic dye/cationic polymer complex including the step of applying to the complex a water-soluble solvent having a dielectric constant from 20 to 43 at standard temperature and pressure.

Abstract: An inkjet head clean device for inkjet printer includes a main body, a pump, a first guide-tube and a second guide-tube. The main body has a tank for receiving cleansing liquid. The pump that sets in the main body has a first pipe-hole and a second pipe-hole. One end of the first guide-tube connects with the first pipe-hole of the pump and another end extends into the tank. One end of the second guide-tube connects with the second pipe-hole of the pump and another end connects with an inkjet head. By the way, the clean device of present invention can wash the inkjet head by reusing the cleansing liquid and make the inkjet head clean.

Abstract: The ink jet recording apparatus includes an ejection head for ejecting ink droplets toward a recording medium by exerting electrostatic force onto ink containing charged colorant particles, an ink tank for reserving the ink to be supplied to the ejection head, a circulation path for circulating the ink between the ejection head and the ink tank, and a cleaning mechanism for cleaning the ejection head and the circulation path using cleaning liquid. The cleaning liquid circulated through the circulation path at a time of cleaning by the cleaning mechanism is obtained by adding a charge control agent to an ink dispersion medium.

Abstract: A slit coater with a standby unit for a nozzle and a coating method using the same prevents environmental pollution by solvent steam and simultaneously maintains the slit nozzle in an optimum state. When in standby and not performing a coating application, the slit nozzle is kept in a standby unit having a solvent atmosphere therein. The slit coater includes: a table on which an object to be processed is positioned; a slit nozzle for applying a coating solution onto a surface of the object; and a standby unit into which the slit nozzle is loaded when on standby, and having a shutter at the opening thereof to maintain an inner space in a substantially hermetically sealed solvent atmosphere. The atmosphere in the standby unit is configured to prevent hardening of the coating solution in the slit nozzle and thereby maintain the slit nozzle in the optimum state for providing coating applications.

Abstract: A device spray cleans an inkjet print head. The purpose of the device is to avoid the formation of stalagmites during spray cleaning and therefore also to improve the print quality as a result of the fact that the transport device for the print carriers or items of mail is soiled as little as possible. This is achieved by a relative movement of a baffle element in a flat space or in a plane parallel to the nozzle surface of the at least one inkjet print head in conjunction with the spray cleaning.

Abstract: An inkjet cleaning unit includes a reservoir housing an inkjet wiping fluid that includes a non-wettable material; and an applicator wick fluidly coupled to the reservoir, in which the applicator wick is configured to transport the inkjet wiping fluid from the reservoir to a surface of an inkjet material dispenser. A method for cleaning an inkjet material dispenser includes applying an inkjet wiping fluid from a reservoir housing the inkjet wiping fluid to a surface of the inkjet material dispenser; in which the inkjet wiping fluid includes a non-wettable material; and in which an applicator wick is fluidly coupled to the reservoir to transport the inkjet wiping fluid from the reservoir to the surface of the inkjet material dispenser.

Abstract: A printing head cleaning apparatus usable with an image forming apparatus includes a spraying unit to spray a quantity of cleaning solution using a sprayer and a cleaning shuttle to carry the spraying unit. The spraying unit includes a cleaning solution tank to store the cleaning solution sprayed by the sprayer, a spraying cam to operate the sprayer to selectively spray a quantity of the cleaning solution, and a cam driving member to cause the spraying cam to rotate according to movement of the cleaning shuttle.

Abstract: A nozzle wetting apparatus for an inkjet image forming apparatus includes a cleaning solution tank to store cleaning solution for cleaning a nozzle; a cleaning solution supplying unit to supply cleaning solution to the nozzle, the cleaning solution supplying unit including a vibration generating member to generate vibrations to atomize the cleaning solution. The nozzle wetting apparatus applies cleaning solution to the nozzles to clean the nozzles of the image forming apparatus without touching the nozzles.

Abstract: A method of cleaning an inkjet printhead, by generating a liquid foam on the ink ejection face such that particulate contaminants on the ejection surface disperse into the foam, then transferring the foam, together with the particulate contaminants dispersed within, onto a rotatable transfer surface moving relative said ejection face and, rotating the rotatable transfer surface into contact with a removal surface to remove the foam and the particulate contaminants dispersed within. Ink consumption is minimized by use of a foam and damage to the face is avoided since the rotatable transfer surface does not contact the face.

Abstract: 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 sub tank for storing ink and an ejection nozzle. The main tank stores ink to be supplied to an inside of the sub tank. The tube connects the sub tank and the main tank. The transfer device transfers ink existing in the tube. The transfer amount determination device determines at least one transfer amount of a mixture of the ink and air transferred through the tube while air moves from a first detection position to a second detection position of the tube. The driving device controls driving of the transfer device in accordance with the at least one transfer amount determined by the transfer amount determination device.

Abstract: A liquid is applied by a bounded-region applicator such as a needle applicator over nozzle holes and over at least a continuous region close to the nozzle holes. The liquid is then cured to a solid before significant flow of the liquid into the nozzle holes. The liquid is chosen to cure to a solid which is sufficiently compliant that it deforms and leaves the nozzle holes under moderate pressure from a human hand or finger without breaking. Depending upon the material in which the nozzles are formed and the size of the nozzle holes, the liquid may be uniquely designed to incorporate resilient moieties or segments to satisfy these factors.

Abstract: Disclosed is a maintenance liquid for an ink jet recording apparatus which possesses excellent cleaning properties. In particular, a maintenance liquid, which exhibits excellent cleaning properties even in an ink jet printer using an ink having a high colorant density and containing a pigment, and a maintenance liquid for an ink jet recording apparatus, which does not attack members for a printer and possesses excellent antifoaming properties and preservative/antimold effect, are disclosed. The maintenance liquid for an ink jet recording apparatus according to the present invention comprises water and an alkylene glycol monoalkyl ether.

Abstract: A liquid composition to clean an inkjet nozzle, and a inkjet head cleaning unit that contains the same. The liquid composition includes an inkjet ink stabilizer capable of removing impurities from an inkjet nozzle.

Abstract: This invention relates to an ink jet device that is adaptive for preventing formation of a bad pattern as well as improving the life span of the ink jet device.

Abstract: An ink injecting apparatus includes a nozzle that is used for injecting ultraviolet-curable ink to a medium, an irradiation unit that includes an irradiation face for irradiating an ultraviolet ray to the ultraviolet-curable ink adhering to the medium, and a rotary body that has a holding area for holding the medium and a non-holding area on a circumferential face, rotates with the circumferential face facing the irradiation face, and includes a touch member that moves to a position for touching the irradiation face and is brought into touch with the irradiation face in the non-holding area in accordance with rotation of the rotary body for removing the ultraviolet-curable ink adhering to the irradiation face.

Abstract: An ink jet printing apparatus includes a mechanism for cleaning the face of an ink jet head by wiping the face with a wiper to which a liquid for the head is transferred. The face of the ink jet head is provided with ejection openings from which inks containing coloring materials are ejected. The apparatus also includes an absorber for holding the liquid, the absorber being disposed below an area where the liquid for the head is going to be transferred to the wiper in the direction of gravity, and a transferring member which includes a section connected to the absorber to receive the liquid and a section which abuts on the wiper to perform the transfer. The transferring member is configured to move the liquid for the head by a capillary force from the section which receives the liquid to the section which performs the transfer.

Abstract: An inkjet printer comprising: (a) an inkjet printhead; (b) a plurality of reservoirs in fluid communication with nozzles in the printhead, at least one of the reservoirs being an ink reservoir containing printing ink, and at least one of the reservoirs being a cleaning reservoir containing a cleaning liquid for cleaning an ink ejection face of the printhead; (c) a pressure device for positively pressurizing the cleaning reservoir; (d) a conduit providing fluid communication between the cleaning reservoir and the printhead; and (e) a valve in the conduit for controlling a supply of cleaning liquid to the printhead.

Abstract: A printer includes an arcuate arrangement of printheads and a retractable arcuate arrangement of wipers.

Abstract: A residue removal device includes an object, a sink, and a conveying device. The object includes a contact surface. Residue exists on the contact surface. A solution is contained in the sink. The sink is disposed below the contact surface. The solution corresponds to the contact surface. The conveying device drives the relative motion between the object and the sink. When the residues on the contact surface are contacted by the solution and relative motion is generated between the residues of the contact surface and the solution, the residues are removed by the solution.

Abstract: A method of recording control includes ejecting first liquid to a recording medium and a recessed portion that is situated at the outside of at least one of sides of the recoding medium thereby a recording is performed without a margin at the at least one of the sides of the recording medium; and ejecting second liquid to the recessed portion to wash away the first liquid in the recessed portion in a case where a predetermined condition is satisfied.

Abstract: A method of removing particulates from an ink ejection face of a printhead is provided. The method comprises the steps of: (a) flooding the face with ink from the printhead, thereby dispersing the particulates into the flooded ink; and (b) transferring the flooded ink, including the particulates, onto a transfer surface moving past the face. Damage to the face is avoided since the transfer surface does not contact the face.

Abstract: Provided herein is a method for filling a functional liquid droplet ejection head with functional liquid. The method includes: initially filling functional liquid channels and intrahead channels included in the functional liquid droplet ejection head with a functional liquid by introducing functional liquid from a functional liquid tank through the functional liquid channels to the functional liquid droplet ejection head used in an inkjet mode; and passing cleaning liquid into the functional liquid channels and the intrahead channel included in the functional liquid droplet ejection head prior to the initially filling.

Abstract: 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 unit of the image forming apparatus comprises the steps of recording printing work information when a command for the maintenance operation is entered as usage pattern information, counting and recording the printing work information of printing data upon input of a printing command, and comparing the usage pattern information with the counted printing work information. When they correspond to each other, the maintenance operation is performed. Accordingly, maintenance operations can be conveniently performed according to a pattern of maintenance operation commands by the user.

Abstract: A printhead assembly is provided comprising: (a) an inkjet printhead; and (b) a plurality of ink reservoirs in fluid communication with nozzles in the printhead. At least one of the ink reservoirs contains a cleaning liquid for cleaning an ink ejection face of the printhead.

Abstract: A liquid ejection apparatus includes a liquid ejection head and a controller (CPU, ASIC). The liquid ejection head is mounted on a carriage that reciprocates and ejects liquid toward a target. The controller controls a flushing mode of an in-range flushing and a flushing mode of an out-of-range flushing when the liquid ejection head ejects liquid as the carriage reciprocates. The flushing mode of the in-range flushing is performed in a reciprocation range of the carriage outside the target during ejection performed by the liquid ejection head. The flushing mode of the out-of-range flushing is performed outside the reciprocation range of the carriage reciprocates during ejection performed by the liquid ejection head.

Abstract: A method of removing particulates from an ink ejection face of a printhead is provided. The method comprises the steps of: (a) flooding the face with ink from the printhead, thereby dispersing the particulates into the flooded ink; and (b) transferring the flooded ink, including the particulates, onto a film moving past the face. Damage to the face is avoided since the film does not contact the face.

Abstract: An image forming apparatus includes an ink-jet head having a plurality of head chips arranged in a width direction of a printing medium while forming a row, a conveyer unit to extend to correspond to the ink-jet head below the ink-jet head, and a cleaning device which is movably installed on the conveyer unit to sequentially clean the head chips while moving along the conveyer unit. The cleaning device can clean a ling printing-type image forming apparatus while moving along the conveyer unit.

Abstract: A printing apparatus includes a jetting assembly including a plurality of nozzles for ejecting droplets on a substrate; an enclosure defining a print zone within which the jetting assembly prints on the substrate, the enclosure including an inlet for introducing a material associated with controlling an environment of the enclosure.

Abstract: An image forming apparatus including a printing ink tank to contain a printing ink, a nozzle unit having a nozzle part to eject the printing ink and to move between a printing section and a cleaning section, a cleaning ink tank to contain a cleaning ink to clean the nozzle part, and a control part to control supply of the printing ink to the nozzle part when the nozzle unit is positioned in the printing section and to control supply of the cleaning ink to the nozzle part when the nozzle unit is positioned in the cleaning section. The Image forming apparatus may further include a cleaning ink collecting unit which collects the cleaning ink discharged from the nozzle part and returns the collected cleaning ink to the cleaning ink tank.

Abstract: A print head cleaning device and an ink-jet image forming apparatus having the same are disclosed. The ink-jet image forming apparatus includes a print head having a nozzle part to eject an ink, and a print head cleaning device to clean the nozzle part. The print head cleaning device includes a cleaning liquid tank to store a cleaning liquid, a cleaning bath mounted below the nozzle part to be supplied with the cleaning liquid from the cleaning liquid tank, a connecting tube to connect the cleaning liquid tank to the cleaning bath, a pump connected to the connecting tube to circulate the cleaning liquid, a sensing tube mounted in a portion of the connecting tube and provided with a flow passage through which the cleaning liquid flows, a moving member mounted within the flow passage of the sensing tube so as to move by the flow of the cleaning liquid, and a sensor to sense the movement of the moving member.

Abstract: A nozzle chip cleaning apparatus of an inkjet printer in which a structure to supply and drain a cleaning solution to clean nozzle chips. The nozzle chip cleaning apparatus includes a cleaning bath in which a cleaning solution is contained to clean the nozzle chips, an ultrasonic wave device installed in the cleaning bath to generates waves in the cleaning solution contained in the cleaning bath so that the cleaning solution reaches the nozzle chips, a supply and drain pipe that performs as a supply pipe to supply the cleaning solution from a cleaning solution storage tank to the cleaning bath and as a drain pipe to drain the cleaning solution that has been supplied to the cleaning bath to the cleaning solution storage tank, and a pump that provides a driving force to supply and drain the cleaning solution through the supply and drain pipe.

Abstract: An inkjet image-forming apparatus includes an inkjet head having a length corresponding to a width of a paper and a nozzle unit on which a plurality of nozzles are formed, and a maintenance unit that is formed on a lower side of the inkjet head to reciprocally move in a lengthwise direction of the inkjet head to maintain the inkjet head, and includes a carriage and a development maintaining unit attachably and detachably installed on the carriage, wherein the development maintaining unit includes a washing unit that washes away foreign materials contaminating the nozzle unit, using solvent waves generated by applying ultrasonic waves of an ultrasonic wave generation unit to a solvent contained in the washing unit, a wiping blade that wipes the foreign materials and the solvent remaining on a surface of the nozzle unit by contacting with the nozzle unit, and an ink container that contains ink ejected from the nozzles by a spitting operation of the nozzles.

Abstract: An apparatus to print printing patterns using an inkjet technique and a method thereof. The apparatus includes an inkjet head to eject ink on a substrate to form the printing patterns, and a solvent coating unit disposed on at least one side of the inkjet head to uniformize a solvent atmosphere formed around the printing patterns during a drying of the ink. The solvent coating unit coats a solvent layer on the substrate to surround the printing patterns formed on an edge of the substrate.

Abstract: A device for washing an inkjet head and an inkjet printing system having the same is provided. The device includes a bath which holds a washing solution and a wiping device disposed above the bath. The wiping device has a holding portion and an elastic wiper coupled with the holding portion. The elastic wiper is movable with respect to the holding portion, thereby permitting easy removal of alignment material from a nozzle on the inkjet head and cleaning of the elastic wiper.

Abstract: The inkjet recording apparatus includes: a liquid set which includes a plurality of first liquids and a second liquid, the first liquids each containing solvent-insoluble materials, the second liquid causing the solvent-insoluble materials to form aggregate; a liquid ejection device which ejects the first liquids and the second liquid from different ejection ports; and a cleaning liquid supply device which supplies a cleaning liquid causing the aggregate of the solvent-insoluble materials to redispersed. The liquid set satisfies Dmax/Drain?2.6, where Dmax is a maximum of average particle sizes of the solvent-insoluble materials in the first liquids, and Dmin is a minimum of the average particle sizes of the solvent-insoluble materials in the first liquids.