Abstract: A liquid container comprises a liquid supply port provided in a bottom wall, a first chamber configured to contain a liquid, a second chamber configured to contain the liquid and to include at least one sub-chamber having a smaller dimension in the X direction than that of the first chamber, a partition wall configured to part the first chamber from the second chamber, and a connecting hole configured to connect the first chamber with the second chamber. The second chamber is connected with the liquid supply port, and the first chamber is connected with the liquid supply port via the connecting hole and the second chamber. The liquid contained in the first chamber is flowed from the connecting hole into the second chamber and is subsequently introduced through the sub-chamber to the liquid supply port.

Abstract: A method for manufacturing a refilled cartridge is provided for performing refilling of printing material after use of a cartridge comprising a chamber of variable capacity, a detection section that optically detects the printing material inside the chamber, an air introduction port that introduces outside air into the chamber, a valve section that opens and closes the air introduction port according to the negative pressure inside the chamber, and a supply port that supplies the printing material within the chamber to the outside. With this manufacturing method, the printing material is refilled into the chamber so that a designated volume of air exists after refilling of the printing material is completed.

Abstract: A liquid container comprises a liquid supply port provided in a bottom wall, a first chamber configured to contain a liquid, a second chamber configured to contain the liquid and to include at least one sub-chamber having a smaller dimension in the X direction than that of the first chamber, a partition wall configured to part the first chamber from the second chamber, and a connecting hole configured to connect the first chamber with the second chamber. The second chamber is connected with the liquid supply port, and the first chamber is connected with the liquid supply port via the connecting hole and the second chamber. The liquid contained in the first chamber is flowed from the connecting hole into the second chamber and is subsequently introduced through the sub-chamber to the liquid supply port.

Abstract: An ink bottle comprises a container main body configured to contain ink that is to be supplied to an ink tank, an ink outlet forming portion provided on an end of the container main body and configured to include an ink outlet that causes the ink to be flowed out from the container main body, and a valve provided in the ink outlet forming portion and configured to seal the ink outlet in an openable and closable manner. The ink outlet is formed in an end face of the ink outlet forming portion. The end face is arranged to face an opposite side of the ink outlet forming portion that is opposite to a container main body side thereof. A first recess is formed in an outer side portion of the ink outlet on the end face to be recessed toward the container main body side.

Abstract: The structure of an ink supplying container is improved. The ink supplying container includes a container body that contains ink and an ink outlet formation portion that is mounted on the leading end side of the container body, and forms an ink outlet. The ink outlet formation portion includes a tubular channel portion that forms a supplying channel into which an ink inlet channel member of an ink tank is inserted and an outlet valve unit accommodated in the tubular channel portion. The outlet valve unit is configured such that, (i) in a non-supplying state, the ink outlet is sealed, and (ii) in a supplying state, the supplying channel of an annular channel portion is in communication with an ink inlet channel of the ink inlet channel member, in the tubular channel portion.

Abstract: A bottle set includes a bottle and a lid member. The bottle has an ink container, a nozzle and a joint portion integrally formed with the nozzle and having a thread configured to engage the nozzle with the ink container. The lid member is attachable to and detachable from the bottle. An outflow port is formed in the nozzle. The outflow port is configured such that the ink in the ink container flows out from the outflow port. The lid member has a tubular barrel, a top plate that closes a barrel end of the tubular barrel, and a plug projecting from the top plate toward the nozzle. A distance from the barrel end of the tubular barrel to a distal end of the plug being shorter than a distance from a nozzle end of the nozzle to the joint portion.

Abstract: The likelihood that a liquid discharge failure will occur in a cartridge including a liquid absorber is reduced. A cartridge includes: a liquid supply unit configured to receive a liquid supply needle; a first chamber in which a liquid absorber is arranged; a second chamber in which the liquid absorber is not arranged and the liquid supply unit is provided; and a filter that is provided between the first chamber and the second chamber. The length of the filter in a longitudinal direction is larger than half the length of the liquid absorber in the longitudinal direction, and the capillary force of the liquid absorber in a bottom face portion is larger than the capillary force of the liquid absorber in a central portion in a height direction.

Abstract: A cartridge includes a liquid supply portion configured to receive a liquid supply needle; a first chamber provided with a liquid absorber, a second chamber not provided with the liquid absorber and provided with the liquid supply portion; and a filter provided between the first chamber and the second chamber. A length of the filter in a longitudinal direction of the filter is longer than half a length of the liquid absorber in the longitudinal direction.

Abstract: The cartridge includes: a case; a liquid containing chamber that is provided inside the case; an atmosphere communication passage that is provided inside the case, and brings the liquid containing chamber into communication with the atmosphere outside the case; and a liquid supply unit that supplies liquid inside the liquid containing chamber to the liquid ejection device. An absorber chamber in which a liquid absorber is arranged and an air chamber in which the liquid absorber is not arranged are arranged side by side in a horizontal direction, inside the liquid containing chamber, at least a portion of a side face, of the liquid absorber, that is adjacent to the air chamber is in contact with air inside the air chamber, and a connection port that connects the atmosphere communication passage and the air chamber is provided in an upper portion of the air chamber.

Abstract: It is difficult to reduce the number of parts of a known bottle set. A bottle set includes: a bottle having an ink container capable of containing ink, and a nozzle through which the ink in the ink container can flow out; and a lid member that is attachable to and detachable from the bottle, and can cover the nozzle in a state where the lid member is attached to the bottle. An outflow port from which the ink in the ink container can flow out is formed in the nozzle, the lid member has a sealing portion that seals the outflow port in a state where the lid member is attached to the bottle, and the sealing portion is integrally formed in the lid member.

Abstract: An object is to provide a technique that maintains good contact between apparatus-side terminals and contact portions in a second cartridge configured to contain multiple different types of inks. In the cartridge, a center contact portion provided on center in an X direction among a plurality of contact portions is arranged to intersect with a first center plane. Part of the plurality of contact portions is placed in a range where a cartridge-side engagement portion is located, in the X direction. An engagement center is provided between the first center plane and a second center plane.

Abstract: A technique of enhancing attachment of a liquid supply unit to a liquid ejection device is provided. A first ink cartridge 100a and a second ink cartridge 100b are attached to a carriage 27 of a printing device 10 via a holder structure 200. Each of the first and the second ink cartridges 100a and 100b includes a circuit substrate 130 having a plurality of terminals 151 to 159 which are electrically connected with a device-side terminal assembly 250 provided on the holder structure 200. Each of the first and the second ink cartridges 100a and 100b also includes a main engagement part 120 configured to engage with a lever member 230 of the holder structure 200 as an engaged part, such as to limit motion of the circuit substrate 130 away from the holder structure 200. The circuit substrate 130 includes a first terminal 151 and a second terminal 152 located on respective ends in an array direction of the terminals.

Abstract: A technique of enhancing attachment of a liquid supply unit to a liquid ejection device is provided. A first ink cartridge 100a and a second ink cartridge 100b are attached to a carriage 27 of a printing device 10 via a holder structure 200. Each of the first and the second ink cartridges 100a and 100b includes a circuit substrate 130 having a plurality of terminals 151 to 159 which are electrically connected with a device-side terminal assembly 250 provided on the holder structure 200. Each of the first and the second ink cartridges 100a and 100b also includes a main engagement part 120 configured to engage with a lever member 230 of the holder structure 200 as an engaged part, such as to limit motion of the circuit substrate 130 away from the holder structure 200. The circuit substrate 130 includes a first terminal 151 and a second terminal 152 located on respective ends in an array direction of the terminals.

Abstract: A printing material supply system includes a printing device and a cartridge. The printing device has a cartridge mounting structure. The cartridge is removably attached to the cartridge mounting structure. The cartridge mounting structure has a device-side terminal, a lever, a first device-side locking element and a second device-side locking element. The device-side terminal is configured to contact with a cartridge-side terminal. The first device-side locking element is configured as part of the lever. The second device-side locking element is configured to engage with a second locking surface of a second cartridge-side locking element. The cartridge-side terminal has a cartridge-side contact portion configured to be in contact with the device-side terminal. The cartridge-side contact portion is provided on the negative Z-axis side of the second locking surface.

Abstract: Provided is a highly-convenient ink replenishment container. The ink replenishment container includes: a container main body portion capable of containing the ink; and an ink outlet forming portion that is to be attached to an end portion of the container main body portion and at which an ink outlet through which the ink flows out is formed. In a region located outside of the ink outlet, the ink replenishment container includes an erroneous insertion prevention portion that protrudes relative to the ink outlet in a direction opposite to the container main body portion in an axial direction as an axial center, and is configured to be inserted into a recessed portion and to prevent erroneous insertion into the ink tank. The erroneous insertion prevention portion includes protrusions that can be attached and detached, the protrusions are attached and detached in accordance with the shape of the recessed portion.

Abstract: An ink refill container is configured to refill an ink tank that is in communication with an ink ejection head with ink. The ink refill container includes an ink container body configured to contain the ink, a spout including an ink outlet that allows ink to flow out of the ink container body, a cap attached to the spout, and an ink absorbent arranged on the cap to absorb ink existing between the spout and the cap in a state in which the cap is attached to the spout.

Abstract: A technique of enhancing attachment of a liquid supply unit to a liquid ejection device is provided. A first ink cartridge 100a and a second ink cartridge 100b are attached to a carriage 27 of a printing device 10 via a holder structure 200. Each of the first and the second ink cartridges 100a and 100b includes a circuit substrate 130 having a plurality of terminals 151 to 159 which are electrically connected with a device-side terminal assembly 250 provided on the holder structure 200. Each of the first and the second ink cartridges 100a and 100b also includes a main engagement part 120 configured to engage with a lever member 230 of the holder structure 200 as an engaged part, such as to limit motion of the circuit substrate 130 away from the holder structure 200. The circuit substrate 130 includes a first terminal 151 and a second terminal 152 located on respective ends in an array direction of the terminals.

Abstract: A liquid containing member that can supply a liquid having a uniform concentration of a precipitating component to a liquid ejecting portion is provided. A liquid containing member includes: a liquid containing portion that can contain ink; a liquid supply port for supplying the ink contained in the liquid containing portion to a liquid ejection head; and a communication channel that is in communication with the liquid containing portion and the liquid supply port. The communication channel has a first end that is positioned at a lower end on the gravity direction side in the liquid containing portion and can suck the ink, and a second end that is positioned closer to the anti-gravity direction side than the first end is, and can suck the ink, in an in-use state in which the ink is supplied from the liquid supply port to the liquid ejection head.

Abstract: At least one of making an ink replenishing operation easy and making it possible to select one out of a plurality of types of ink replenishment containers in order to perform ink replenishment is achieved. An ink replenishment assist apparatus includes a plug detachably mounted to the ink inlet of an ink tank and a conduit. The conduit has a first opening open to the inside of the ink tank in an in-use state of the ink replenishment assist apparatus, a second opening positioned on an opposite side to the first opening, and open to the outside of the ink tank, and a channel that brings the first opening and the second opening into communication with each other.

Abstract: A liquid containing member that can supply a liquid having a uniform concentration of a precipitating component to a liquid ejecting portion is provided. A liquid containing member includes: a liquid containing portion that can contain ink; a liquid supply port for supplying the ink contained in the liquid containing portion to a liquid ejection head; and a communication channel that is in communication with the liquid containing portion and the liquid supply port. The communication channel has a first end that is positioned at a lower end on the gravity direction side in the liquid containing portion and can suck the ink, and a second end that is positioned closer to the anti-gravity direction side than the first end is, and can suck the ink, in an in-use state in which the ink is supplied from the liquid supply port to the liquid ejection head.