Abstract: An imaging apparatus includes a printhead carrier for mounting a printhead cartridge. The printhead carrier includes a carrier back wall having an upper portion. A back portion of a printhead cartridge cradle is connected to the carrier back wall. A first proximal end of a latch lever is pivotably attached to a front portion of the printhead cartridge cradle. The latch lever has at least one cam follower, with each cam follower being located near the first distal end of the latch lever. A second proximal end of a carrier lid is pivotably attached to the upper portion of the carrier back wall. Each cam of the carrier lid is formed near a second distal end of the carrier lid, and each cam is positioned for progressive engagement by a corresponding cam follower as the latch lever is moved from an open position toward a latched position.

Abstract: A liquid container includes an air-tight liquid-storage chamber or reservoir, a movable member for agitating liquid, and a protrusion portion for supporting the movable member. The movable member and the protrusion portion are disposed in the liquid-storage chamber. The movable member includes a first end that is linearly movable along the protrusion portion and a second end that is free.

Abstract: An aqueous ink to be used in an ink jet recording method that an ink is ejected from a recording head by the action of thermal energy, wherein the ink contains a pigment, a polymer and a water-soluble organic solvent, the hydrophilicity ?m of the pigment falls within a range of from 21.5 or more to 23.5 or less, and the content (mass %) of the water-soluble organic solvent is from 5.0 mass % or more to 17.5 mass % or less with respect to the whole mass of the aqueous ink.

Abstract: A thermal ink jet ink composition includes one or more volatile organic solvents, one or more humectants, one or more binder resins, and one or more dyes. The one or more volatile organic solvents are selected from C1-C4 alcohols, C3-C6 ketones, and mixtures thereof. The humectants are present in an amount not more than 30% by weight of the ink jet ink composition.

Abstract: In one embodiment, a method for introducing ink into an ink cartridge includes introducing ink into an ink holding chamber through ink ejection nozzles and, simultaneously with introducing ink into the ink holding chamber through the ink ejection nozzles, introducing ink into the ink holding chamber through an opening other than the ink ejection nozzles or applying a negative pressure at a first opening to the ink holding chamber and applying a positive pressure at a second opening to the ink holding chamber. In another embodiment, a method includes performing a primary operation on an ink holding chamber by introducing ink into the ink holding chamber through ink ejection nozzles and performing a secondary operation on the ink holding chamber to increase the flow of ink to a distal part of the ink holding chamber relative to the flow of ink to a proximal part of the ink holding chamber.

Abstract: The present invention provides a filter device including a supply channel where a liquid flows in; a first liquid chamber that is communicated with the supply channel; a second liquid chamber that is communicated with the first liquid chamber; a first discharge channel that is communicated with the second liquid chamber and that discharges the liquid; a first filter that is provided between the first liquid chamber and the second liquid chamber; and a second filter that is provided between the first liquid chamber and the second liquid chamber and whose lower end is positioned higher than a lower end of the first filter.

Abstract: A configuration of an image display apparatus which can reduce a pump exclusive for solvent is provided. The image display apparatus of the present invention is provided with an ink chamber in an ink supply path from an ink container to a print head and a solvent chamber in a solvent supply path from a solvent container to the print head. The ink chamber and the solvent chamber are formed by dividing a liquid chamber by an elastic member (diaphragm), and volumes (capacities) of the ink chamber and the solvent chamber are changed by a pressure of the ink. In order to prevent a backflow of the solvent from the solvent chamber to the solvent container, a check valve (may be an electromagnetic valve) is provided. While the ink is not being supplied, a space in the solvent chamber is configured to be ensured by a repellant force of the spring.

Abstract: A mobile device including: a printer for printing onto a print medium; and a stylus having a printhead tip for allowing a user to use the mobile device as a writing or drawing device; the stylus and the printer sharing at least one common ink reservoir.

Abstract: A method of priming an inkjet printhead having ink ejection nozzles. The method includes: providing an ink bag containing ink for distribution to the nozzles via a fluid path between the ink bag and the nozzles; applying inwardly directed force on at least one exterior wall of the ink bag so as to reduce an available fluid volume of the ink bag, thereby causing ink to flow from the ink bag to the nozzles along the fluid path; and arranging a biasing member in the ink bag so that the biasing member applies outwardly directed force on at least one interior wall of the ink bag to restrain the reduction of available fluid volume of the ink bag only once the available fluid volume of the ink bag has been reduced to a predetermined volume. The printhead is a pagewidth printhead, having a pagewidth of 100.9 millimeters.

Abstract: In one embodiment, an ink pen includes an ink chamber, a passage and a printhead operatively connected to the ink chamber through the passage such that ink flowing from the ink chamber to the printhead passes through the passage. The passage includes an upstream part having a polygonal cross sectional area and a downstream part having a cross sectional area smaller than the polygonal cross sectional area.

Abstract: A printhead assembly including one or more nozzles is described that can include a droplet ejection module. In one embodiment, the droplet ejection module includes a liquid supply assembly, a housing and a droplet ejection body. The liquid supply assembly includes a self-contained liquid reservoir and a liquid outlet. The housing is configured to permanently connect to the liquid supply assembly and includes a liquid channel configured to receive a liquid from the liquid outlet of the liquid supply assembly and to deliver the liquid to a droplet ejection body. The droplet ejection body is permanently connected to the housing and includes one or more liquid inlets configured to receive liquid from the housing and one or more nozzles configured to selectively eject droplets.

Abstract: A mobile telecommunications device is provided having a body, a printhead arranged in the body to print on a print media, and a drive shaft arranged in the body to feed the print media past the printhead for printing. The printhead is arranged within 2 millimeters from the drive shaft.

Abstract: A printer includes a set cover pivotally movably provided on a carriage. The cover can be set in a closed state in which the cover presses a head of the cartridge housed in the housing portion and an open state in which the cover opens the housing portion when the cartridge is replaced. A release lever is subjected to a bias force so as to protrude from an inner wall surface of the housing portion. The release lever is movable against the bias force. The release lever comes into contact with an end of the cartridge which faces the bottom surface when the cartridge is inserted into the housing portion. The release lever contacts the rear surface of the cartridge housed in the housing portion. The bias force is stronger when the cover is in the open state than when the cover is in the closed state.

Abstract: An apparatus for ejecting droplets is provided with a ejecting head for discharging droplets, an electric circuit board having an electric circuit formed on a surface of the electric circuit board, the electric circuit being connected to the ejecting head, a holder for supporting the ejecting head and the electric circuit board, and a cover that overlaps the surface of the electric circuit board when the cover is fixed to the holder. The apparatus for ejecting droplets is further provided with a seal member that fills a gap formed between a peripheral region of the surface of the electric circuit board and an inner surface of the cover. The seal member effectively prevents droplets mist from penetrating to the electric circuit.

Abstract: An inkjet external ink manifold is provided that allows for use of a jet stack that does not internally contain ink manifolds. The external ink manifold has a manifold body that includes one or more ink manifold chambers and includes ports arranged to connect the chambers to one or more ink reservoirs. The external ink manifold further includes an adhesive layer overlying and sealing the ink manifold chambers. The adhesive layer includes a plurality of ports arranged to connect the external ink manifold chambers to the jet stack.

Abstract: Disclosed are an ink-jet head and a manufacturing method thereof. The ink-jet head, which has a reservoir storing ink, a chamber being supplied with the ink from the reservoir, a restrictor connecting the reservoir to the chamber, and a nozzle discharging the ink, includes: a chamber plate, in which the chamber is formed; a vibration plate, which is laminated on an upper surface of the chamber plate to cover the chamber and in which a first coil is placed; a first middle plate, which is laminated on a lower surface of the chamber plate and in which the restrictor is formed, and a second coil is placed; and a lower plate part, which is laminated on a lower surface of the first middle plate and in which the reservoir and the nozzle are formed.

Abstract: A printing apparatus to form an image on a recording medium is provided. The printing apparatus includes a recording head, an ink cartridge, which contains the ink therein, an ink cartridge storage to store the ink cartridge, an ink conveyer tube, which connects the recording head and the ink cartridge to convey the ink, and a maintenance system having an aspirator to aspirate the ink to be drawn in the recording head and the ink conveyer tube and a cap to cover a nozzle surface of the recording head, and a releasing system, which is arranged in the ink conveyer tube to switch an open state and a closed state. The releasing system is arranged in a position higher than a position of the ink cartridge so that the releasing system and the ink cartridge have a predetermined water head difference therebetween.

Abstract: A liquid jetting system includes a liquid container including a front wall, and a side wall having a bias-force receiving part, and a liquid jetting apparatus including a holder that receives installation of the liquid container through insertion of the liquid container in a prescribed insertion direction with the front wall facing forward. The holder further includes a liquid feed needle that receives feed of liquid from the liquid container when the liquid container has been installed, a holder-side electrode situated to a upper side from the liquid feed needle and adapted to electrically connect with the liquid container when the liquid container has been installed, and bias force part situated to a lower side from the liquid feed needle and adapted to exert a bias force on the bias-force receiving part of the liquid container in a prescribed biasing direction when the liquid container has been installed.

Abstract: A laminated film for attachment of printhead integrated circuits to an ink supply manifold. The film has a plurality of ink supply holes defined therein and film comprises: a central polymeric web; a first adhesive layer for bonding a first surface of the film to the ink supply manifold; and a second adhesive layer for bonding a second surface of the film to the printhead integrated circuits. The central polymeric web is sandwiched between the first and second adhesive layers. A first melt temperature of the first adhesive layer is at least 20° C. less than a second melt temperature of the second adhesive layer.

Abstract: A printhead for an inkjet printer, the printhead comprising: a printhead integrated circuit formed on a wafer substrate using lithographically masked etching and deposition techniques; an integrated circuit support structure for mounting in the printer adjacent a media feed path; and, a polymer sealing film between the integrated circuit support structure and the printhead integrated circuit for fixing the printhead integrated circuit to the integrated circuit support structure.

Abstract: A Multi-color ink-jet print cartridge includes an integrally shaped one-piece body with a reservoir portion including at least two ink chambers, and a manifold portion including at least two ink conduits, each ink conduit hydraulically connected to a corresponding one of the ink chambers through a port. An ink-jet printhead, includes at least two nozzle arrays, each of which arrays is hydraulically connected to a corresponding one of the ink conduits. A lid covers the reservoir portion of the body. Each of the ink conduits includes a channel portion in side to side relationship with the corresponding channel portion of the adjacent ink conduit. The channel portions have adjacent openings on one external wall of the body. Separate independent plugs are sealingly inserted into the adjacent openings.

Abstract: A liquid cartridge is removably moutable to a liquid ejection device of one aspect of the invention. The liquid cartridge includes a sub tank having: a liquid inflow port; a liquid outlet port; a liquid inflow chamber configured to communicate with the outside of a main unit through the liquid inlet port, the liquid inflow chamber allowing the liquid to be supplied from the liquid cartridge through the liquid inflow port; a second liquid storage chamber configured to communicate with the liquid inflow chamber through a second communicating port, the liquid stored in the second liquid storage chamber being allowed to flow out to a liquid ejection head through the liquid outflow port; and an atmosphere opening port. The second communicating port and the liquid outflow port are positioned lower than the liquid supply port.

Abstract: A recording apparatus which can prevent a drop of a recording head upon attachment of the recording head to a carriage is provided. When a head cartridge is attached/removed to/from a carriage, the carriage is moved to an overlapping position with a head supporting base and stopped there. Projection supporting portions to guide and support rough guide projections on both side surfaces of the head cartridge so as to be properly received to guides provided for the carriage are provided for the head supporting base.

Abstract: A printhead assembly is provided having a plurality of printhead modules each incorporating printhead integrated circuits having printing fluid ejection nozzles commonly supported by a one-piece printing fluid distribution member, and a casing in which the modules are removably mounted through removable engagement of the distribution member of each module with a support frame of the casing.

Abstract: Some embodiments of the present invention provide an inkjet printhead within which a removable ink cartridge can be installed. Upon installation, the ink cartridge can be coupled to one or more wicks in the printhead for establishing fluid communication between one or more chambers in the ink cartridge and nozzles through which ink exits the printhead during operation. The wick can extend from a cartridge receptacle to a substantially enclosed ink reservoir in order to transport ink from the removable cartridge to the ink reservoir.

Abstract: An ink jet print head is provided which is highly reliable in recovering its performance by removing bubbles accumulated in the ink paths to reliably prevent print quality degradations in bi-directional printing. In the ink ejection member having an odd number of arrayed ink supply ports to supply ink to the ejection openings, the ink colors of the ink supply ports are arranged laterally symmetrically and a plurality of ink tanks are arranged side by side so that the direction of array of the ink supply ports is perpendicular to the direction of array of the ink tanks.

Abstract: An ink cartridge for a printer with an inkjet printhead, the ink cartridge comprising: an ink storage volume; an outlet valve for fluid communication with the printhead; and, an air inlet spaced from the outlet valve for letting air into the ink storage volume as ink is drawn out through the outlet valve; wherein, the outlet valve and the air inlet are configured for engagement with complementary formations on the printer such that the ink outlet and the air inlet are both opened upon installation of the cartridge in the printer.

Abstract: An ink reservoir for a printer with an inkjet printhead, the ink reservoir comprising: a sealed ink storage volume; an ink outlet for sealed fluid communication between the printhead and the ink storage volume; and, a variable volume structure in the ink storage volume for expanding as ink is drawn through the ink outlet to keep a constant head of ink above the outlet valve.

Abstract: A printer cradle is provided having a recess with an inclined face for receiving and removably locating a print cartridge, a retainer for removably retaining the print cartridge within the recess, and resilient members arranged to act against the print cartridge as it is located by the inclined face and to bias the print cartridge against the retainer once located within the recess. The print cartridge has a pagewidth printhead, a printing fluid supply and a fluid connection between the printhead and the printing fluid supply.

Abstract: A cartridge is constituted by a plurality of absorbing materials for retaining liquid, an interface formed by press-contact between opposing surfaces of the absorbing materials, an introducing portion for supplying the liquid out of the absorbing materials, and a filter provided at an end portion of the introducing portion. The absorbing materials press against the filter so that an end portion of the interface reaches the filter.

Abstract: An image writing device is provided and includes: a case including an accommodating part that accommodates a plurality of display media stacked, a entrance and exit port which is communicated with the accommodating part and through which the display media enter and exit the case, and a window through which an image on a display surface of a display medium can be externally browsed, the image being written in the display medium by applying external stimulation; a conveying part that conveys the display medium into and out of the case through the entrance and exit port; and a writing part arranged near the entrance and exit port of the case, the writing part applying the external stimulation to the display medium to write the image in the display medium when the display medium is conveyed into or out of the case by way of the conveying part.

Abstract: The present invention relates to an ink-cartridge for printers comprising a body formed having a filling hole on an upper surface thereof; a plurality of filling chambers inside of the body divided by a partition having a connecting hole; a discharging chamber connected to the filling chamber; an air chamber connected to the filling chamber via an air transferring channel so as to supply air to the filling chamber; an air suction valve installed in the air chamber; an air inducing channel inducing external air to the air suction valve; a blocking film attached to one surface of the body; and a cover installed in the other surface of the body; and a pressure regulating part formed in a surface of an outer wall of the body and communicating with the filling chamber.

Abstract: There is disclosed an inkjet recording apparatus which comprises a head having an actuator and at least one nozzle row each of which comprises a plurality of nozzles for ejecting an ink droplet therethrough onto a recording medium by driving of the actuator, a drive element which outputs to the actuator a drive signal for ejecting the ink droplet, an ink supply portion which is connected to the head so as to supply ink to the head, a heat radiating member which has a contact portion in contact with the drive element and an extending portion disposed alongside at least a part of the ink supply portion so as to release heat generated at the drive element, and a head holder which holds the head, the drive element, ink supply portion, and the heat radiating member.

Abstract: An inkjet printer that has a printer body, a printhead cartridge for installation in the printer body, the printhead cartridge having a pagewidth inkjet printhead structure with an array of nozzles, a plurality of ink cartridges for supplying ink, each of the ink cartridges having a docking face for engagement with a complementary face partially provided by the printhead cartridge and partially provided by the printer body and, a docking frame with a plurality of resilient connectors form part of fluid paths from the ink cartridges. Longitudinal expansion and contraction of the pagewidth printhead structure relative to the docking frame is accommodated by the resilient connectors.

Abstract: In one embodiment, an ink cartridge for inkjet printing includes a housing enclosing four separate chambers for holding ink and a printhead affixed to the housing and operatively connected to each of the four ink chambers.

Abstract: A fluid container, including a body having a base surface, a capillary fluid volume disposed over the base surface, and an outlet compartment having at least one outlet wall disposed within the body and extending from the base surface into the capillary fluid volume. The body also includes at least two fluidically segregated free fluid compartments, where each compartment includes at least one sidewall disposed within the body. The at least one sidewall includes a compression edge wherein at least a portion of the compression edge is flush with the at least one outlet wall edge.

Abstract: The present invention provides a durable liquid housing container and a durable liquid supply apparatus which use a gas-liquid separation membrane. Thus, a gas-liquid separation membrane (2) located at an air vent in a liquid housing container (1) includes a fibril portion (2A) composed of fibrous portions and an annular node portion (2B) which bundles the ends of fibrous portions of the fibril portion (2A) and which is closed so as to surround the fibril portion (2A).

Abstract: An array inkjet head and an inkjet image forming apparatus having the array inkjet head. The array inkjet head is formed by sequentially combining a first member, a second member, a third member on an upper surface of which a plurality of base modules are mounted, and a cover member that covers the third member, and the cover member comprises a plurality of opening holes formed along the lengthwise direction of the cover member to expose the head chips and a plurality of concave units formed on both sides of each of the opening holes and to have a predetermined gaps between edge units of the base modules to be coated with an adhesive.

Abstract: An ink cartridge and an ink storage device including the same are provided, which has a stable quality, lower ink residue, less components, lower cost, and low impact to the environment. The ink storage device is assembled by an ink receiving portion, a sleeve, and a pin plug. The ink receiving portion is formed by welding and sealing the edges of a pair of plates. The sleeve has a first end portion and a respective second end portion. The first end portion is connected to the ink receiving portion and the second end portion exposes out of the ink receiving portion. An interior of the sleeve has a penetrating hole connecting the ink receiving portion. The pin plug is made of an elastic material and is installed to the second end portion of the sleeve. A storage portion for storing the ink is formed in the pin plug, and an end of the pin plug is formed as a linking hole linking the ink receiving portion with the storage portion through the penetrating hole.

Abstract: A liquid discharging head cartridge that prevents a discharging head from being damaged due to exposure to liquid held in a liquid container during storage including the distribution period of a liquid discharging head cartridge, and ensures the reliability of the liquid discharging operation by the discharging head. An ink jet head cartridge includes an ink blocking member that is provided in the middle of an ink flow path and blocks ink supply to a recording head. The ink held in an ink container does not enter a section of the ink flow path between the ink blocking member and the recording head due to blockage by the ink blocking member.

Abstract: A recording liquid container for containing liquid for recording to be supplied to recording means, said recording liquid container being detachably mountable to a mounting portion of a recording device, said recording liquid container includes an information memory medium storing predetermined information; wireless sending means capable of wireless sending of a predetermined information in said information memory medium within a predetermined range; a wireless communication antenna for wirelessly sending radio wave; and communication property changing means for changing a communication property of the wireless sending.

Abstract: A liquid sealing structure includes: a liquid lead-out portion which has a liquid passage and an opening end surface formed in a liquid lead-out end of the liquid passage; a sealing member which is disposed on the opening end surface inside the liquid passage; a valve mechanism which is disposed inside the sealing member in the liquid passage to close the liquid passage; and a sealing film which covers the liquid passage and the opening end surface of the liquid lead-out portion and is thermally welded to the opening end surface and the sealing member, wherein a notch portion for passing a liquid lead-out member which is inserted into the liquid passage to open the valve mechanism is formed in the sealing film.

Abstract: In a connection status output circuit for confirming the connection status with a recording apparatus via connecting terminals corresponding respectively to recording signal DATA, clock signal CLK for transferring the recording signal, and control signals LT and HE for controlling a recording operation according to the recording signal, the signals being received from the recording apparatus, when the connection status is confirmed, a signal designating the connection status is outputted, and when a recording operation is performed, the output signal does not change.

Abstract: An inkjet printer comprising: a printhead cartridge with a printhead and a maintenance station for engaging the printhead when not in use; a printer body with a cradle for receiving the cartridge, and a maintenance station drive shaft for detachably engaging the maintenance station upon insertion of the printhead cartridge into the cradle, the maintenance station drive shaft having an engagement formation for engaging a complementary formation in the maintenance station; such that, when engaging the complementary formation, the engagement formation has limited axial displacement and limited transverse displacement.

Abstract: In a liquid-discharging recording head, external-signal input terminals are provided on a recessed first face and a second face that is higher than the first face. ID contact pads directly connected to information storage elements provided in the liquid-discharging recording head are arranged in a row on the first face along the border with the second face.

Abstract: A method of priming an inkjet printhead, the inkjet printhead having a plurality of ink ejection nozzles, the method comprising the steps of: providing an ink bag containing ink for distribution to the nozzles via a fluid path between the ink bag and the nozzles; applying inwardly directed force on at least one exterior wall of the ink bag so as to reduce an available fluid volume of the ink bag, thereby causing ink to flow from the ink bag to the nozzles along the fluid path; and arranging a biasing member in the ink bag so that the biasing member applies outwardly directed force on at least one interior wall of the ink bag so as to restrain the reduction of available fluid volume of the ink bag only once the available fluid volume of the ink bag has been reduced to a predetermined volume.

Abstract: An ink jet cartridge. The ink jet cartridge includes a housing having a chamber, an absorbing member installed in the chamber, and a cover having a first opening therethrough and a protrusion formed on the cover surface toward the absorbing member around the first opening.

Abstract: An ink jet printhead cartridge includes a cartridge body including a base and a plurality of side walls extending upwardly from the base. A filter tower having a tower wall has an interior surface that defines a location of a tower passageway. A printhead chip assembly is attached to the base of the cartridge body in fluid communication with the tower passageway. A filter is attached to the filter tower at a distal end thereof. An ink fill access port is formed through a side wall of the plurality of sidewalls, and through the tower wall of the filter tower, to define a fluid path from the atmosphere external to the cartridge body to the tower passageway of the filter tower to facilitate the injection of ink directly into the filter tower during an ink filling operation for the ink jet printhead cartridge.

Abstract: 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 inkjet printhead also includes a nozzle plate having at least one nozzle, wherein the nozzle is in fluid communication with the fluid reservoir; as well as a vent port in fluid communication with the pressure regulation system. Further, the inkjet printhead for a printing device includes a passive vent in fluid communication with the vent port. The passive vent is configured to dissipate air pressure accumulated in the pressure regulation system during priming. The passive vent provides a controlled decay time for the priming air pressure.

Abstract: An ink cartridge has a container, an air valve, and a floating ball. The container is utilized for storing ink. The container has at least an air channel and a flow path. The air valve is disposed at the air channel for preventing the ink from being outside the container via the air channel. The floating ball has density smaller than that of the ink. As the ink in the container is below a predetermined height, the floating ball blocks the flow path permanently.