Abstract: A cartridge that is configured and arranged to be mounted on a printer that has a first ink supply pipe and a second ink supply pipe includes a bottom wall, a plurality of printing material supply ports, a single main chamber, and a plurality of flow paths. The plurality of the printing material supply ports are provided on the bottom wall. The plurality of the printing material supply ports protrude from the bottom wall in a ?Z axial direction and are aligned in a Y axial direction perpendicular to the ?Z axial direction. The single main chamber is configured and arranged to contain a printing material. The plurality of the flow paths communicate with the single main chamber and the plurality of the printing material supply ports, respectively, and the plurality of the flow paths are aligned in the Y axial direction.

Abstract: A liquid storage container is provided with a liquid storage part capable of storing a liquid, and a liquid supply part for supplying the liquid to the outside. The liquid supply part has a porous member containing holes for circulating the liquid, and a biasing member which is disposed between the porous member and the liquid storage part and which biases the porous member from the liquid storage part towards the outside.

Abstract: A printing material supply system 10 includes a printer 50 equipped with a holder 600 and cartridges 20 that are detachably attached to the holder 600. The holder 600 has a first apparatus-side locking element 810 and a lever 800. The first apparatus-side locking element 810 is formed as part of the lever 800. The cartridge 20 has a first cartridge-side locking element 210 that includes a first locking surface 211 to engage with the first apparatus-side locking element 810. The first cartridge-side locking element 210 has an extended surface 219 that prevents a negative Z-axis end 818 of the lever 800 from running on the first locking surface 211.

Abstract: A liquid ejecting apparatus includes a medium supporting unit which supports a medium that is transported along a transport path; a liquid ejecting head which includes a nozzle for ejecting liquid onto a medium that is supported by the medium supporting unit; a heating part which heats the medium; and a space forming member which forms a closed space at which the nozzle is opened. The space forming member is configured to move between a space forming position in which the space forming member is disposed when forming the closed space, and a retracted position which is further separated from the heating part than the space forming position.

Abstract: An injection method includes closing a communication port of a cartridge by a plug unit of an injection kit, and injecting a printing material into a printing material containing chamber of the cartridge through a printing material exit by an injection unit of the injection kit after closing the communication port.

Abstract: A cartridge that is configured and arranged to be mounted on a printer that has a first ink supply pipe and a second ink supply pipe-includes a bottom wall, a plurality of printing material supply ports, a single main chamber, and a plurality of flow paths. The plurality of the printing material supply ports are provided on the bottom wall. The plurality of the printing material supply ports protrude from the bottom wall in a ?Z axial direction and are aligned in a Y axial direction perpendicular to the ?Z axial direction. The single main chamber is configured and arranged to contain a printing material. The plurality of the flow paths communicate with the single main chamber and the plurality of the printing material supply ports, respectively, and the plurality of the flow paths are aligned in the Y axial direction.

Abstract: A terminal unit is mountable on a cartridge holder including an ink inlet, which draws in ink supplied to an ink ejection head and is located in an inner bottom surface of an accommodation unit that is capable of accommodating an ink cartridge, an electrical connection portion, an accommodation unit positioning portion, and a lever including a restriction portion capable of restricting movement of the ink cartridge when accommodated in the accommodation unit in a direction in which the ink cartridge is removed from the accommodation unit. When the terminal unit is mounted on the cartridge holder, a terminal group contacts the electrical connection portion, an engaging portion is engaged with the restriction portion of the lever, and a unit positioning portion is positioned by the accommodation unit positioning portion.

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: A cartridge includes a printing material containing section, a plurality of printing material supply ports, and a branch communicating section. The printing material containing section is configured and arranged to contain a printing material. A detection region is configured as a part of the printing material containing section to detect the printing material in the printing material containing section. The plurality of printing material supply ports are configured and arranged to supply the printing material from the printing material containing section. The branch communicating section branches into the plurality of printing material supply ports respectively and communicates the detection region and the plurality of printing material supply ports to distribute the printing material to the plurality of printing material supply ports respectively.

Abstract: A waste liquid container is detachably mounted on a mounting unit which includes a discharge portion discharging a waste liquid and a projection to which a substrate connection portion is joined. The waste liquid container includes: a containing portion that is able to contain the waste liquid; a connection concave portion that is opened in a mounting direction; a circuit substrate that includes connection terminals electrically connected to the substrate connection portion and is joined to the connection concave portion; and a waste liquid introduction portion that is connected to the discharge portion. In the connection concave portion, one pair of guide portions guiding the projection is formed so that the connection terminals are interposed therebetween in a width direction intersecting the mounting direction. Of the pair of guide portions, one guide portion is disposed between the connection terminals and the waste liquid introduction portion in the width direction.

Abstract: A cartridge or a sealing member is provided to reduce the likelihood that a fluid is leaked outside. The cartridge is configured to supply a fluid to a fluid ejection apparatus. The cartridge has: a fluid accommodation portion; and a fluid supply port connectable with the fluid ejection apparatus. The fluid supply port includes: a fluid exit provided to flow out the fluid to the fluid ejection apparatus; and an opening arranged to connect outside of the fluid supply port with inside of the fluid supply port. The opening is not in contact with a side face of the fluid supply port.

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: A waste liquid container is detachably mounted on a mounting unit which includes a discharge portion discharging a waste liquid and a projection to which a substrate connection portion is joined. The waste liquid container includes: a containing portion that is able to contain the waste liquid; a connection concave portion that is opened in a mounting direction; a circuit substrate that includes connection terminals electrically connected to the substrate connection portion and is joined to the connection concave portion; and a waste liquid introduction portion that is connected to the discharge portion. In the connection concave portion, one pair of guide portions guiding the projection is formed so that the connection terminals are interposed therebetween in a width direction intersecting the mounting direction. Of the pair of guide portions, one guide portion is disposed between the connection terminals and the waste liquid introduction portion in the width direction.

Abstract: A liquid housing container in which a liquid to be supplied to a head can be stored may be attached to or detached from a holder, which is provided to a liquid ejecting device having the head for ejecting a liquid. The holder has a rotation point where the mounted liquid housing container may be rotated in a predetermined so as to be detached from the holder.

Abstract: An injection method includes closing an inner path, and injecting a printing material into a printing material containing chamber through a printing material supply port after closing the inner path.

Abstract: A waste liquid container is detachably mounted on a mounting unit which includes a discharge portion discharging a waste liquid and a projection to which a substrate connection portion is joined. The waste liquid container includes: a containing portion that is able to contain the waste liquid; a connection concave portion that is opened in a mounting direction; a circuit substrate that includes connection terminals electrically connected to the substrate connection portion and is joined to the connection concave portion; and a waste liquid introduction portion that is connected to the discharge portion. In the connection concave portion, one pair of guide portions guiding the projection is formed so that the connection terminals are interposed therebetween in a width direction intersecting the mounting direction. Of the pair of guide portions, one guide portion is disposed between the connection terminals and the waste liquid introduction portion in the width direction.

Abstract: An injection method includes closing a communication port of a cartridge by a plug unit of an injection kit, and injecting a printing material into a printing material containing chamber of the cartridge through a printing material exit by an injection unit of the injection kit after closing the communication port.

Abstract: A terminal unit is mountable on a cartridge holder including an ink inlet, which draws in ink supplied to an ink ejection head and is located in an inner bottom surface of an accommodation unit that is capable of accommodating an ink cartridge, an electrical connection portion, an accommodation unit positioning portion, and a lever including a restriction portion capable of restricting movement of the ink cartridge when accommodated in the accommodation unit in a direction in which the ink cartridge is removed from the accommodation unit. When the terminal unit is mounted on the cartridge holder, a terminal group contacts the electrical connection portion, an engaging portion is engaged with the restriction portion of the lever, and a unit positioning portion is positioned by the accommodation unit positioning portion.

Abstract: A cover for a liquid container which exposes at least a portion of a detecting member, having a liquid supply portion to a liquid ejecting apparatus through communicating with the liquid containing unit, and a first surface provided with a first container side engagement portion arranged between the liquid supply portion and the detecting member. The cover includes a first cover side engagement portion engaging with the first container side engagement portion.

Abstract: A liquid storage container is provided with a liquid storage part capable of storing a liquid, and a liquid supply part for supplying the liquid to the outside. The liquid supply part has a porous member containing holes for circulating the liquid, and a biasing member which is disposed between the porous member and the liquid storage part and which biases the porous member from the liquid storage part towards the outside.