Abstract: A liquid ejection head includes: a casing, which is hollow, and has an opening at one end; a lid member, which is fixed to an end portion of the opening of the casing; and a member arranged inside the casing. The lid member has a liquid supply port. The member has a first liquid guide groove, and the casing has a second liquid guide groove. The second liquid guide groove extends from the end portion of the opening to a side opposite to the opening in the side wall inner surface of the casing, the first liquid guide groove extends to a side surface of the member which is in contact with or close to the side wall inner surface of the casing, and the first liquid guide groove and the second liquid guide groove are located so as to allow fluid communication therebetween.

Abstract: Disclosed is a method for suppressing adhesion of a liquid to the plug member. A disclosed liquid storage container has a storage chamber for storing a liquid, a supply port having a hollow cylindrical portion protruding from the storage chamber and being capable of supplying the liquid to the storage chamber, and a plug member detachably attached to the supply port. The plug member has a plug portion inserted into the hollow cylindrical portion to plug the supply port. On the plug portion, a first water repellent film having water repellency is formed on an exposed surface exposed at least to the inside of the hollow cylindrical portion in a portion inserted into the storage chamber.

Abstract: In one embodiment a sub-assembly of components is provided to assemble a print liquid supply container, the set including a reservoir and a support structure to form a print liquid supply container, the container having a first, second and third dimensions, the support structure to at least partially surround and support the reservoir and to provide stiffness to the container, at least in a folded and mounted condition, the reservoir including a bag to hold the print liquid, being at least partially flexible to collapse for print liquid to be withdrawn from the reservoir, the bag being configured to inhibit fluid exchange, and a neck that is relatively narrow with respect to the bag in a filled state, with an opening to output print liquid from the bag.

Abstract: A valve jet printer includes a solenoid coil and a plunger rod having a magnetically susceptible shank. A first end of the shank and at least a portion of the shank are received within a bore of the solenoid coil. The printer also includes a nozzle including an orifice extending therethrough and a spring biasing a second end of the shank toward the nozzle. The second end of the plunger rod includes a tip formed of perfluoroelastomer (FFKM). The second end of the shank includes a cup-shaped cavity having a convex bottom and a circular side. The tip includes a concave base and an annular flange. In an assembled state, the concave base of the tip contacts the convex bottom of the cup-shaped cavity, and the end of the circular side opposite the convex bottom is rolled over the annular flange thereby securing the tip in the cup-shaped cavity.

Abstract: A printing apparatus includes at least a tank configured to hold a first printing material at a first position and a tank configured to hold a second printing material at a second position different from the first position. A light emitting control unit controls light emitting states of a plurality of light emitters. If an amount of the printing material in the first tank is less than a predetermined amount, and an amount of the printing material in the second tank is greater than a predetermined amount, the light emitting control unit transits a state of a first light emitter from a state indicating that the amount of the printing material is greater than the predetermined amount to a state indicating that the amount of the printing material is less than the predetermined amount, and maintains a state of a second light emitter.

Abstract: An ink-jet printing apparatus includes an ink-cartridge mounting unit to which an ink cartridge having a first ink chamber containing ink is to be mounted, and a second ink chamber. The second ink chamber stores ink supplied from the first ink chamber. The ink-jet printing apparatus is configured such that, in a case where the ink cartridge is mounted to the ink-cartridge mounting unit, the second ink chamber can be viewed from outside of the ink-jet printing apparatus. An equation 0.5 L?d?1.2 L is satisfied, where d is a length of the second ink chamber, and L is a length of the ink cartridge in a direction in which the ink cartridge is inserted into the ink-jet printing apparatus.

Abstract: A printing apparatus includes: a tube configured to form a flow channel to supply a liquid to a liquid ejecting unit configured to eject the liquid; a holding unit configured to hold the tube; and a valve unit configured to move to a closed position to press and close the tube held by the holding unit with a pressing portion from an open position to open the tube held by the holding unit, and to move to the open position from the closed position. Here, the valve unit includes a pivot shaft and moves pivotally around the shaft to move to the closed position and the open position, and a direction of extension of the pivot shaft is a direction intersecting with a direction of extension of the tube held by the holding unit.

Abstract: A liquid container includes a container body including a storage chamber configured to store a liquid and a supply port configured to supply the liquid to the storage chamber, and a plug member to seal the supply port, the plug member including a body portion located outside the storage chamber and the supply port and a plug portion located inside the storage chamber and the supply port. The plug portion has a press-fitted portion to be press-fitted into the supply port and a leading end portion exposed to the storage chamber, an axial line of the plug portion is perpendicular to an opening surface of the supply port, and a leading end surface of the leading end portion is an inclined surface inclined with respect to a surface of the plug portion.

Abstract: A liquid storage container includes: a storage chamber; a supply port capable of supplying the liquid into the storage chamber; a hollow protruding portion protruding from the supply port; and a plug member attachably and detachably attached to the supply port. The plug member includes: a plug portion for sealing the supply port; a cover portion formed integrally with the plug portion; a pinch portion including a first portion and a second portion provided on the cover portion and opposite to each other; and a hollow portion extending from the cover portion through the plug portion. The plug portion and the cover portion are made of an elastic body, and the hollow portion has an opening on the cover portion side. A width of the opening is narrowed and a side face of the plug portion is deformed toward the hollow portion by pinching the first and second portions.

Abstract: A liquid storage container includes a container main body that is capable of storing a liquid and at least a portion of which includes a translucent outer wall; a support member that is integrally formed with the container main body; and a rotation member that is rotatably supported by the support member. The rotation member includes a float that rotates due to fluctuations in a liquid level of the liquid, and a display member that rotates in conjunction with the float and is capable of displaying a position of the float to an outside through the translucent outer wall.

Abstract: A method includes applying a mold chase to a fluid ejection die to at least partially define at least one cavity. The mold chase includes a feature to contact a fluid ejection portion of the fluid ejection die, and at least one structure separate from the feature to contact a first end portion adjacent a first end of the fluid ejection die. The method includes filling the at least one cavity with a mold compound to produce a molded carrier for the fluid ejection die.

Abstract: A liquid storage container is configured to supply a liquid containing a precipitating component to a liquid ejecting apparatus, including: a partitioning member configured to divide a liquid storage chamber in a direction intersecting a direction of gravitational force; a plurality of liquid storage chambers divided by the partitioning member; and communication flow channel units provided to the plurality of liquid storage chambers, respectively, and configured to introduce the liquid in the liquid storage chambers and to supply the liquid to the liquid ejecting apparatus.

Abstract: A remanufactured ink cartridge and a method thereof are provided in the present disclosure. The remanufactured ink cartridge is suitable for an inkjet printer with an ink-suctioning needle and a limiting protrusion which are configured to be adjacent with each other; an original ink cartridge includes a case and an ink discharge part; a cavity for storing the ink is formed in the case; the cavity is separated by a separation plate into a first cavity and a second cavity which are connected to each other through a channel. The remanufacturing method includes forming a limiting groove facing the cavity on the case and adjacent to the ink discharge part, wherein the limiting groove is connected to the second cavity, configured to allow the limiting protrusion to enter the second cavity; and blocking the channel to cut off a fluid connection between the first cavity and the second cavity.

Abstract: An image recording apparatus includes: a liquid ejection cartridge unit that ejects ink droplets and includes a liquid chamber that stores liquid, and a first and a second electrode pins inserted in the liquid chamber; an application portion that applies a voltage between the first and the second electrode pins; and a detection portion that includes a detection resistance to which a voltage is applied by the application portion and detects a voltage value or a current value. When the application portion applies a voltage, the detection portion detects the voltage value or the current value so that the amount of liquid remaining in the liquid chamber is detected. At least one of the determination threshold value of the amount of the liquid in the liquid chamber, the applied voltage value, or the detection resistance value is set at intervals based on the cumulative application time of the voltage.

Abstract: A pretreatment liquid is a pretreatment liquid to be used for a pretreatment that is performed on an impermeable base material before an image is recorded on the impermeable base material, containing an aggregating agent, an aqueous medium, and a resin, in which the resin has at least one selected from the group consisting of a structural unit (1), a structural unit (2), and a structural unit (3), and a glass transition temperature of the resin is ?40° C. or higher and lower than 100° C. In the formulae, R2 represents a hydrogen atom or a C1 to C4 alkyl group, A2 represents —NH— or —N(L4-Y4)—, L2 and L4 represent a divalent group or a single bond, L3 represents a divalent group, Y2 and Y4 represent a monovalent group such as an alkyl group, and Y3 represents a monovalent group such as —OH.

Abstract: An ink replenishment system for a can decorator having a plurality of ink fountains corresponding to a plurality of ink station assemblies includes a robotic arm structured to pick up ink from a selected one of a plurality of ink container and to place the picked up ink into a selected one of the plurality of ink fountains, and a controller structured to control operations of the robotic arm.

Abstract: Provided is a liquid storage bottle that can ensure sufficient sealing performance when a liquid tank is replenished with a liquid. A liquid storage bottle stores a liquid with which a liquid tank is replenished, has a bottle body and a discharge port that discharges a liquid stored in the bottle body, and has a discharge nozzle in which a liquid injection tube of the liquid tank can be inserted via the discharge port and an annular fixed seal member that is provided to the discharge port and seals a part between the discharge port and the liquid injection tube inserted in the discharge port. The fixed seal member has a plurality of annular seal portions that are arranged apart from each other in the axis direction of a discharge nozzle and are individually in contact with the liquid injection tube inserted in the discharge port.

Abstract: Provided is a liquid storage body, including: a liquid storage bag configured to store a liquid containing precipitation components; a liquid introduction pipe arranged in the liquid storage bag; and a liquid discharge unit fixed at one end portion of the liquid storage bag and configured to discharge the liquid introduced from the liquid introduction pipe to a liquid ejection apparatus, in which the liquid introduction pipe includes a spacer portion including at least two liquid introduction ports at different positions in a height direction at a predetermined orientation, a convergence portion at which the liquids introduced from the at least two liquid introduction ports are converged with each other; and a flow channel configured to introduce the converged liquids to the liquid discharge unit.

Abstract: An image processing method, an apparatus, a program, and an image forming apparatus capable of suppressing an artifact in a boundary part of a threshold value matrix and performing high-quality correction even in a case where defective recording elements are concentrated are provided.

Abstract: A cartridge includes a casing that demarcates a liquid chamber used for storing a liquid and that is hollow, and a liquid supply section that communicates with the liquid chamber and supplies the liquid in the liquid chamber to a printing apparatus. The casing includes a concave/convex portion.