Abstract: A replenishing-type liquid storage tank includes a tank body, and a backpressure application member. Liquid is replenishable in the tank body and the tank body is configured to store the liquid therein. The backpressure application member is accommodated in the tank body to apply backpressure to the liquid stored in the tank body. The backpressure application member has a lower end positioned at a height equal to or lower than a liquid level of a minimum amount of liquid required to be stored in the tank body for enabling the backpressure application member to apply backpressure to the liquid stored in the tank body.

Abstract: An ink tank includes an ink storage portion configured to store ink, and a flexible damper portion configured to communicate with an inside of the ink storage portion through a communication hole. A protruding portion protruding from an ink storage portion side toward an inside of the damper portion is formed in the inside of the damper portion. When viewed from a direction in which the protruding portion protrudes, the damper portion surrounds an entire circumference of the communication hole, and an opening portion is formed in the protruding portion.

Abstract: An object of the present disclosure is to reduce liquid leakage resulting from detachment of a cartridge. One embodiment of the present invention is a printing apparatus including: a cartridge having a casing for storing liquid; and an attachment unit configured to attach the cartridge, and the cartridge has a hollow needle that connects with the attachment unit.

Abstract: A printing unit includes: a sleeve and a print module received in the sleeve, the print module being slidably removable, in a first direction, from the sleeve. The print module includes a supply module and a replaceable printhead. The printhead is slidably removable, in a second direction, from the supply module, the first and second directions being non-parallel.

Abstract: A liquid filling method of filling a liquid storage device including a first tank that stores a liquid to be supplied to an ejection head ejecting the liquid and a second tank that stores the liquid to be supplied to the first tank through a connection port provided in the first tank with the liquid, the method including: injecting the liquid from a liquid storage container into the first tank through a first liquid introduction port provided in the first tank, in a state where a second liquid introduction port provided in the second tank is closed.

Abstract: Provided is an ink jet recording method using an ink jet recording apparatus having an ink jet head, the method including: a colored ink adhesion step of discharging an aqueous colored ink composition containing a coloring material from an ink jet head to adhere to a recording medium; and a clear ink adhesion step of discharging an aqueous clear ink composition from an ink jet head to adhere to the recording medium, in which the aqueous clear ink composition contains wax particles, the ink jet recording apparatus has a circulation path for circulating the aqueous clear ink composition, and in the clear ink adhesion step, the aqueous clear ink composition circulated in the circulation path is discharged.

Abstract: Some examples include a print substance reservoir for a printing system including a housing to be arranged within a printing device, the housing having an interior for containing a print substance and an exterior, an active vent valve to allow gases to travel from the interior to the exterior when the inlet is receiving the print substance, the active vent valve electrically energizable and de-energizable in response to signals corresponding to the transfer of the print substance into the housing, a passive inlet valve to open to allow air to enter the interior during removal of the print substance from the reservoir, the passive inlet valve biased to a closed position, and a passive pressure relief valve to open when pressure within the interior is greater than a predetermined pressure limit, the passive pressure relief valve biased to a closed position.

Abstract: A liquid container configured to store a liquid to be supplied to a liquid discharge head, the liquid container includes a tank case, a first container in the tank case, the first container configured to store the liquid, a second container, separated from the first container, in the tank case, the second container configured to store the liquid, a communication channel connecting the first container and the second container, a first valve configured to open when the liquid is fed to the first container, and a second valve configured to open when the liquid is discharged from the second container.

Abstract: Examples of a print liquid supply unit are described herein. In some examples, the print liquid supply unit includes a regulator assembly. In some examples, the regulator assembly includes an at least partially expandable or contractible pressure chamber. In some examples, the print liquid supply unit includes a port. In some examples, the print liquid supply unit includes sensor circuitry positioned between the regulator assembly and the port in a print liquid reservoir.

Abstract: A liquid storage container which includes a liquid storage chamber that includes a bottom surface, an upper surface facing the bottom surface, a first side surface orthogonal to the bottom surface and the upper surface, and a second side surface orthogonal to the bottom surface and the upper surface and facing the first side surface, and, in which the first side surface is provided with a visual recognition surface configured such that the liquid stored in the liquid storage chamber is visually recognized, the bottom surface is provided with a prism for detecting the liquid, and the liquid storage chamber is provided with a wall surface closer to the upper surface than the prism and closer to the bottom surface than an end of the visual recognition surface, which is on a side of the upper surface, in a first direction from the upper surface toward the bottom surface.

Abstract: The protecting package for a flexible pouch specially designed to contain a biopharmaceutical fluid, includes two frames which respectively form a lower frame and an upper frame and which have a peripheral area, respectively to a main plane of the frames, each frame has an opening on a central area, the two frames are fixed to each other such that they are able to respectively surround two plates which sandwich the flexible pouch.

Abstract: A liquid ejection apparatus includes: a recording head that ejects liquid; a sub-tank that is connected to the recording head and temporarily stores the liquid to be supplied to the recording head; a liquid tank that communicates with the sub-tank and is able to be filled with the liquid; a first atmosphere opening unit that is provided in the liquid tank; and a second atmosphere opening unit that is provided in the sub-tank. The second atmosphere opening unit is closable when the liquid tank is filled with the liquid, and the first atmosphere opening unit and the second atmosphere opening unit are able to open the liquid tank and the sub-tank to the atmosphere, respectively, when the sub-tank is filled with the liquid filled in the liquid tank by a hydraulic head pressure.

Abstract: The method of manufacturing a liquid ejection head according to the invention includes a bonding step, that is, a step of placing a plurality of element substrates on an adhesive layer formed on a bonding surface and heating the adhesive layer to bond the element substrates to a base material. The bonding step is started from one or two of a plurality of bonding regions located at the center portion of the base material in an arrangement direction of the element substrates and then performed toward the bonding regions located at both end portions of the base material.

Abstract: A cosmetic ink set, method for printing and printer containing the ink set. The ink set includes at least two of a) a cyan ink that includes a cosmetically approved cyan dye; b) a magenta ink that includes a cosmetically approved magenta dye; and c) a yellow ink that includes a cosmetically approved yellow dye. Each of the cyan ink, magenta ink and yellow ink contains 1) a cosmetically approved humectant; 2) a cosmetically approved surfactant; and 3) water in an amount sufficient to provide 100 wt. % for each of the cyan, magenta and yellow inks based on a total weight of the ink.

Abstract: A liquid discharging head includes a channel member having a nozzle surface formed with first nozzles, second nozzles, third nozzles and fourth nozzles. The channel member is formed with: a first distributing channel communicating with a first storage chamber and extending in a first direction, a second distributing channel communicating with a second storage chamber, extending in the first direction, and arranged side by side to the first distributing channel in a second direction, a first common channel communicating with the first nozzles, a second common channel communicating with the second nozzles, a third common channel communicating with the third nozzles, and a fourth common channel communicating with the fourth nozzles. The first to fourth common channels each extend in a third direction crossing the first and second directions, and partially overlaps with the first and second distributing channels in a fourth direction orthogonal to the nozzle surface.

Abstract: A liquid discharge head includes a plurality of nozzles to discharge liquid, a plurality of individual liquid chambers communicating with the plurality of nozzles, respectively, a common liquid chamber to supply the liquid to the plurality of individual liquid chambers, and a liquid supply member including a liquid supply channel to supply the liquid to the common liquid chamber. The liquid supply member includes a first member including a part of the liquid supply channel, a second member including a gas chamber, and an elastic member disposed between the first member and the second member and forming a wall of the liquid supply channel of the first member and a wall of the gas chamber of the second member. The gas chamber of the second member is disposed opposite the liquid supply channel of the first member via the elastic member.

Abstract: Provided is a liquid ejecting apparatus comprising: a cartridge capable of ejecting a liquid stored therein; a flow channel through which the cartridge and a liquid tank capable of supplying the liquid to the cartridge are in fluid communication with each other; a closing unit capable of closing the flow channel; and a movable member configured to be operated before the cartridge and the flow channel are uncoupled. The closing unit comprises a closing member, and closes the flow channel with the closing member moved with movement of the movable member. The liquid ejecting apparatus further comprises a carriage capable of carrying the cartridge and moving during liquid ejection of the cartridge. The movable member is a covering member provided to the carriage and configured to cover the cartridge, and in replacement of the cartridge, the movable member is removed from covering the cartridge to allow access to the cartridge.

Abstract: The liquid supply unit includes: a liquid containing body configured to contain the liquid; a housing that covers the liquid containing body; and a lever-shaped plug member configured to seal the liquid injection portion. The plug member includes: a first pivoting portion that is configured to pivot the plug member; and a first protrusion provided so as to be displaceable in order to lock the plug member onto the housing. The housing includes: a second pivoting portion into which the first pivoting portion is to be fit; and a second protrusion configured to come into contact with the first protrusion and displace the first protrusion when the plug member pivots toward the liquid injection portion, the contact with the first protrusion being canceled and the displacement of the first protrusion being returned to normal when the plug member further pivots and is locked onto the housing.

Abstract: A tank includes: a wall separating a liquid storage chamber, which stores a liquid to be supplied to a liquid consuming part, from an outside; an inlet penetrating the wall; and a liquid outflow part which allows the liquid to flow to the outside of the liquid storage chamber. The wall includes a view wall, which extends upward and downward and allows a user to visually check a liquid level in the liquid storage chamber, and a bottom wall, which defines an inner bottom surface of the liquid storage chamber by being connected to the view wall. The inner bottom surface of the bottom wall includes an inclined part which extends from at least a part of the view wall to incline downward in a direction away from the view wall.

Abstract: A first retractable member is provided so as to be freely retractable with respect to the first location hole of a turning member in a state where the first retractable member makes contact with a fitting portion. The first retractable member turns the turning member based on a contact force with the fitting portion corresponding to advance and retreat with respect to the first location hole. The first retractable member moves a fourth engagement portion as the turning member is turned so as to change an engagement position with a third engagement portion, and thereby makes a head unit swing with the engagement position of a first engagement portion and a second engagement portion serving as a fulcrum point so as to adjust the position of the head unit in the fitting portion.

Abstract: In one example, a liquid-gas separator includes a composite membrane to pass a gas but not a liquid at a first pressure difference across the membrane and to block the gas passing back through the membrane at a second pressure difference smaller than the first pressure difference.

Abstract: A method for manufacturing a refilled cartridge for performing refilling of printing material after use of a cartridge is provided. The cartridge includes a first case including a recess having a bottom surface and an opening, a flexible portion attached to the opening, a second case covering the open surface of the first case, a pressure receiving portion contacting the flexible portion, a chamber of variable capacity and a biasing member that generates negative pressure inside the chamber The printing material is refilled into the chamber so that two or more points across the biasing member on the pressure receiving portion do not contact the second case after refilling of the printing material is completed.

Abstract: An image-recording apparatus includes: a cartridge including a first storage chamber and a supply port; a tank including a second storage chamber and an inlet port; a connecting portion including a liquid channel providing communication between the supply port and the inlet port; and a detector for detecting whether a liquid level in the second storage chamber is at a prescribed position. The first storage chamber includes an upper space and a lower space partitioned by a wall formed with a communication opening. An inequality of Pm<?·Hs·g?Ic·Rn is satisfied, where: Pm: withstand pressure of meniscus formed at the communication opening; P: density of liquid; Hs: vertical length between the prescribed position and the communication opening; g: gravitational acceleration; Ic: flow rate of liquid from the first storage chamber to the second storage chamber; and Rn: passage resistance at the liquid channel.

Abstract: In one example in accordance with the present disclosure a printer cartridge is described. The printer cartridge includes multiple backpressure chambers in fluid communication with a shared free fluid chamber. The backpressure chambers are to supply a fluid to nozzles of a portion of a fluidic ejection assembly and to provide backpressure to the nozzles of the fluidic ejection assembly during deposition of fluid onto a print medium.

Abstract: Embodiments provide an integrated scale and method for determining a fill status of an inkjet cartridge. In some embodiments, the system can display the fill status on a user interface. The fill status can be generalized based on the type of inkjet cartridge and range of measured weights and/or percentages of pre-set weight.

Abstract: A reservoir for an inkjet printer, comprising: a 1st compartment (10), comprising at least one 1st part (101) called the upper part, and a 2nd part (102) called the lower part delimited by a convergent shaped wall (14), and a 2nd compartment (20) delimited by a lateral wall, the 2nd part of the 1st compartment (10) being placed in the 2nd compartment (20), the wall (22) of which surrounds it radially, when these 2 compartments are assembled to each other, 1st drawing off means (26) to connect the inside with the outside of the 1st compartment (10), and 2nd drawing off means (28) to connect the inside with the outside of the 2nd compartment (20); a cover (40) to close the 1st compartment (10).

Abstract: A tank is configured to be installed in a liquid consuming apparatus having a liquid consuming unit. The tank includes: a casing having a first partition wall defining a first storage chamber configured to store liquid and a second partition wall defining a second storage chamber configured to store the liquid. The casing is formed with: an inlet provided to inject the liquid into the first storage chamber and the second storage chamber; a communication port communicating the first storage chamber and the second storage chamber; an atmosphere opening port communicating the second storage chamber and the outside of the tank; and a liquid outflow port through which the liquid stored in the first storage chamber and the second storage chamber flows out toward the liquid consuming unit.

Abstract: A tank is installed in a liquid consuming apparatus having a liquid consuming unit and is connected to the liquid consuming unit. The tank includes: a casing having a bottom wall and a side wall in a usable posture of the tank, the side wall extending in a direction intersecting the bottom wall; a first storage chamber and a second storage chamber provided in the casing and configured to store the liquid; an inlet provided to inject the liquid into the first storage chamber; a first communication port that communicates the first storage chamber and the second storage chamber; a second communication port provided in the second storage chamber to let the liquid flow out to an outside of the tank; and an air opening port that opens the first storage chamber and the second storage chamber to the air.

Abstract: In a state where a supply portion of a cartridge is connected to a connecting portion of a cartridge attachment section, a first base part and a first protruding part of the cartridge and a second base part and a second protruding part of the cartridge attachment section have the following positional relationship: as viewed in the horizontal direction, the first base part is overlapped with both of the second base part and second protruding part, the first protruding part is overlapped with the second base part, but is not overlapped with the second protruding part; and as viewed in the vertical direction, the first base part is not overlapped with the second base part, and is not overlapped with the second protruding part, and the first protruding part is overlapped with the second protruding part, but is not overlapped with the second base part.

Abstract: A manufacturing method of a flow path member which includes a flow path between first and second members which are stacked together includes a first step of welding the first and second members to each other at a first welding portion in a state in which a pressure is applied in a stacking direction to the first and second members which are stacked to be in contact with each other, and a second step of welding the first and second members to each other in a state in which a greater pressure is applied in the stacking direction to the first and second members at a second welding portion of a different position from the first welding portion.

Abstract: A printing head for a printing system is disclosed. The printing head comprises a plurality of compartments, each having an outlet port for depositing liquid and an inlet port separately connectable to a separate liquid container. At least two compartments are in controllable fluid communication with each other, and the printing head comprises an arrangement of sensors configured for generating signals indicative of (i) a filling state of each compartment, and (ii) a fluid communication state between the at least two compartments.

Abstract: A process for applying a coating material onto a substrate as a non-uniform patterned layer of coating material, the method including providing a first distribution manifold having a cavity and a first multiplicity of dispensing outlets in fluid communication with the cavity, providing a second distribution manifold having a cavity and a second multiplicity of dispensing outlets in fluid communication with the cavity, creating relative motion between a substrate and the dispensing outlets in a first direction, dispensing a first coating material from the first dispensing outlets while maintaining the relative motion and simultaneously translating the plurality of dispensing outlets in a second direction non-parallel to the first direction, and dispensing a second coating material from the second dispensing outlets while maintaining the relative motion and simultaneously translating the plurality of dispensing outlets in a second direction non-parallel to the first direction.

Abstract: Provided is a controller including an image processor and an image forming device, both performing calibration, and the controller includes a hardware processor that: associates first calibration data indicating a first calibration result with second calibration data indicating a second calibration result, and stores the first and second calibration data; compares the obtained first calibration data with the stored first calibration data, and determines whether the stored first calibration data includes data equal to the obtained first calibration data; and, when there is no data equal to the obtained first calibration data, creates the second calibration data to be associated with the obtained first calibration data by performing the second calibration, and, when there is data equal to the obtained first calibration data, creates the second calibration data to be associated with the obtained first calibration data, using the second calibration data stored and associated with the equal data.

Abstract: A liquid ejecting apparatus includes a first ejecting section that includes a first drive element and ejects liquid by driving the first drive element, a first drive circuit that includes a first transistor and outputs a first drive signal to the first drive element, a second drive circuit that includes a second transistor and outputs a second drive signal to the first drive element, a circuit substrate on which the first drive circuit and the second drive circuit are mounted. The first drive circuit is mounted on a first surface of the circuit substrate, and the second drive circuit is mounted on a second surface of the circuit substrate, and the first transistor and the second transistor are disposed at position that do not overlap one another in plan view of the circuit substrate.

Abstract: Methods for improved ceramics component casting. One such method may include vacuuming a ceramic-based slurry mixture and/or vacuuming a component mold. The vacuuming of the ceramic-based slurry mixture and the component mold may be to remove air bubbles from the respective elements. More specifically, the vacuuming may remove air bubbles from the ceramic-based slurry mixture and from a cavity of the component mold, respectively. The method may also include disposing the ceramic-based slurry mixture into the cavity of the component mold, and continuously vacuuming the cavity of the component mold including the ceramic-based slurry mixture for a predetermined time to remove any additional air bubbles included in the ceramic-based slurry mixture. Finally, the method may include forming a ceramic component within the continuously vacuumed cavity of the component mold over the duration of the predetermined time. The ceramic component formed from the ceramic-based slurry mixture.

Abstract: There is provided a liquid discharging apparatus including a discharging unit that includes a driving element and discharges a liquid by driving of the driving element and a circuit substrate that transmits a first drive signal to drive the driving element and a control signal to control application of the first drive signal to the driving element. The circuit substrate includes a receiving unit that receives a transmission signal based on a plurality of original control signals and restores the plurality of control signals based on the transmission signal, first wiring that transmits the transmission signal, second wiring that transmits the control signals, third wiring that transmits the first drive signal, and a first input terminal that is connected to the first wiring and inputs the transmission signal into the circuit substrate. The receiving unit is connected to the first wiring and the second wiring.

Abstract: An image recording apparatus includes: a cartridge; a cartridge attachment portion; and a switching portion. The cartridge includes: a first storage chamber; a first air communication portion; and a first supply portion. The cartridge attachment portion includes: a second storage chamber; and a second air communication portion. The switching portion changes a passage resistance value of air flowing through one of the first and second air communication portions. An inequality of R2>A×R1 is met, in which R1: a passage resistance value obtained by air flowing through the first air communication portion and a passage resistance value of the liquid flowing through the first supply portion; R2: a passage resistance value of air flowing through the second air communication portion; A: a cross-sectional area ratio obtained by dividing an average cross-sectional area of the first storage chamber by an average cross-sectional area of the second storage chamber.

Abstract: In a state where a supply portion of a cartridge is connected to a connecting portion of a cartridge attachment section, a first base part and a first protruding part of the cartridge and a second base part and a second protruding part of the cartridge attachment section have the following positional relationship: as viewed in the horizontal direction, the first base part is overlapped with both of the second base part and second protruding part, the first protruding part is overlapped with the second base part, but is not overlapped with the second protruding part; and as viewed in the vertical direction, the first base part is not overlapped with the second base part, and is not overlapped with the second protruding part, and the first protruding part is overlapped with the second protruding part, but is not overlapped with the second base part.

Abstract: An example of a pre-treatment fixing fluid for an offset coated medium includes calcium propionate, calcium pantothenate, tetraethylene glycol, a surfactant having an HLB less than 10, an acid, and a balance of water. The calcium propionate is present in an amount ranging from greater than 4.5 wt % to 8.0 wt %, the calcium pantothenate is present in an amount ranging from about 2.0 wt % to equal to or less than 15 wt %, and the surfactant is present in an amount ranging from about 0.01 wt % to about 1.0 wt %, each based on the total wt % of the pre-treatment fixing fluid. The acid is present in an amount sufficient to render the pH from about 4.0 to about 7.0.

Abstract: In an embodiment, a printhead includes a fluidic die molded into a moldable material. The die has a front surface exposed outside the moldable material to dispense fluid and an opposing back surface covered by the moldable material except at a channel in the moldable material through which fluid may pass directly to the back surface. The die has a first bond pad on the front surface surrounded by a first dam to prevent the moldable material from contacting the first bond pad.

Abstract: An off-axis printhead assembly includes a printhead body that has an engagement element removably attachable to an attachment mechanism of a carriage of a printing system, the attachment mechanism of the carriage removably attachable to an on-axis printhead assembly. A fluid conduit interconnect is removably attached to the printhead body, the fluid conduit interconnect to connect to a fluid conduit to communicate printing fluid from at least one off-axis printing fluid supply through the fluid conduit interconnect to the printhead body.

Abstract: A tank comprises a container body configured to contain an ink and an ink fill port configured to accept the ink to be injected into the container body. A cap is provided to close the ink fill port when the cap is attached to the tank. The cap comprises a covering portion configured to cover the ink fill port; a seal portion protruded from the covering portion to be inserted into the ink fill port and configured to close the ink fill port when the seal portion is inserted in the ink fill port; and a skirt portion protruded from the covering portion in a direction of protrusion of the seal portion from the covering portion and located away from the seal portion when the covering portion is viewed from a seal portion side. The skirt portion is protruded more than the seal portion.

Abstract: There is provided a tank including: first and second chambers; a liquid inlet port; a first communicating port; a communicating channel; a second communicating port; an atmosphere open port; a gas-liquid separating membrane provided in the communicating channel; and a liquid outflow port. In a state that a first wall constructing a first end of the tank in a usable posture constructs an upper portion of the tank and that a second wall constructing a second end, of the tank in the usable posture, which is away in a horizontal direction from the first end constructs a lower portion of the tank and under a condition that a maximum amount, of the liquid, storable in the tank in the usable posture, is stored in the first and second chambers, the gas-liquid separating membrane is located at a position above the liquid surface of the maximum amount of the liquid.

Abstract: The printing apparatus of the present invention includes: a print head; and a liquid storage container in which a liquid storage chamber that stores a liquid to be supplied to the print head, an atmosphere communication chamber that communicates with the atmosphere, and a communication flow path that causes the liquid storage chamber and the atmosphere communication chamber to communicate are formed integrally. The liquid storage container can take a first posture in which the atmosphere communication chamber is located under the liquid storage chamber in the direction of gravity and a second posture in which the atmosphere communication chamber and the liquid storage chamber are located side by side in the horizontal direction. In the case where the liquid storage container is in the second posture, the liquid injection portion and the communication flow path are located on the upper side of the liquid storage container.

Abstract: A tank is installed in a liquid consuming apparatus having a liquid consuming unit and is connected to the liquid consuming unit. The tank includes: a casing having a bottom wall and a side wall in a usable posture of the tank, the side wall extending in a direction intersecting the bottom wall; a first storage chamber and a second storage chamber provided in the casing and configured to store the liquid; an inlet provided to inject the liquid into the first storage chamber; a first communication port that communicates the first storage chamber and the second storage chamber; a second communication port provided in the second storage chamber to let the liquid flow out to an outside of the tank; and an air opening port that opens the first storage chamber and the second storage chamber to the air.

Abstract: A filter module (38) for a continuous inkjet printer (10) comprising a filter housing (40) and a filter medium (42) fixed within the housing (40). The filter housing (40) further includes an inlet portal (44) through which ink flows into the housing under pressure and a first self-sealing valve assembly (54) disposed within the inlet portal. In addition, housing includes an outlet portal (46) through which ink flows out of the housing (40) under pressure and a second self-sealing valve assembly (56) disposed within the outlet portal (46). The first and second valve assemblies (54, 56) open when mechanically connected to an ink flow path (34) from an ink tank (18) to a print head (14), and the first and second valve assemblies (54, 56) seal closed when mechanically disconnected from the ink flow path (34).

Abstract: Ink jet delivery systems comprising a fluid composition comprising a perfume mixture having a boiling point of less than 250° C. and an ink jet to deliver the fluid composition into the air, whereby scent longevity, perfume character, room fill, and/or functional benefits (e.g. odor elimination) are provided.

Abstract: A liquid storage unit including a first liquid storage chamber having a constant volume and being capable of holding liquid supplied from a liquid tank; a second liquid storage chamber communicating with the first liquid storage chamber; a pressure control chamber configured to change a pressure of the pressure control chamber through actuation of a pressure control unit; and an elastic member being configured to tightly partition the second liquid storage chamber and the pressure control chamber from each other and being deformable so as to increase and decrease a volume of the second liquid storage chamber in accordance with the pressure of the pressure control chamber. The elastic member is capable of removing bubbles in the first liquid storage chamber by increasing and decreasing the volume of the second liquid storage chamber through the deformation.

Abstract: A fluid ejection apparatus includes a plurality of fluid ejectors. Each fluid ejector includes a pumping chamber, and an actuator configured to cause fluid to be ejected from the pumping chamber. The fluid ejection apparatus includes a feed channel fluidically connected to each pumping chamber; and at least one compliant structure formed in a surface of the feed channel. The at least one compliant structure has a lower compliance than the surface of the feed channel.

Abstract: The printing apparatus of the present invention includes: a print head; and a liquid storage container in which a liquid storage chamber that stores a liquid to be supplied to the print head, an atmosphere communication chamber that communicates with the atmosphere, and a communication flow path that causes the liquid storage chamber and the atmosphere communication chamber to communicate are formed integrally. The liquid storage container can take a first posture in which the atmosphere communication chamber is located under the liquid storage chamber in the direction of gravity and a second posture in which the atmosphere communication chamber and the liquid storage chamber are located side by side in the horizontal direction. In the case where the liquid storage container is in the second posture, the liquid injection portion and the communication flow path are located on the upper side of the liquid storage container.