Abstract: A technique of reducing the possibility that a liquid remains in a buffer chamber is provided. There is provided a liquid supply device configured to supply a liquid to a liquid ejection head. The liquid supply device comprises a liquid containing chamber configured to contain the liquid; an air communication path configured to include a first connection portion at one end that is connected with the liquid containing chamber and an air outlet port at the other end that is open to the atmosphere; and a buffer chamber provided in the middle of the air communication path. The air communication path includes a connection path that is located on a downstream side of the buffer chamber in the air communication path in a flow direction of a fluid from the air outlet port toward the liquid containing chamber and is configured to include a second connection portion at an upstream end connected with the buffer chamber.

Abstract: A liquid supply device that supplies a liquid to a head that ejects the liquid to an object includes a liquid storage chamber, an air introduction port, an atmospheric release flow path where one end is in communication with the air introduction port and another end is open to the atmosphere, and an air storage chamber configured to store air and provided in a portion of the atmospheric release flow path. A liquid supply flow path that supplies the liquid from the liquid storage chamber to the head is formed in a wall defining the air storage chamber. Thus, the size of a liquid ejection system is reduced.

Abstract: There is provided a recording apparatus that can easily set a state in which liquid accommodation units are filled with a liquid for recording while suppressing increases in an installation area. A recording apparatus including a liquid ejecting head that performs recording by ejecting ink onto sheets of paper, a discharge unit in which a discharge opening that includes a discharge region at which the sheets of paper, on which recording was performed by the liquid ejecting head, are discharged, is formed, and liquid accommodation units that are capable of accommodating the liquid that is supplied to the liquid ejecting head, in an apparatus main body, in which the liquid accommodation units are provided with injection openings through which it is possible to inject ink into the liquid accommodation units, which are provided in a positions that are below the discharge unit in a perpendicular direction (?Z direction) and overlaps with the discharge unit in the perpendicular direction.

Abstract: An recording device includes a recording head that performs recording using ink; a liquid containing body that is capable of accommodating ink; a casing of which at least the recording portion and the liquid containing body are provided on an inside portion; a tube that connects the liquid containing body and the recording head with each other; and a operating panel that constitutes a portion of an outer covering of the recording device and operates the recording device. The operating panel is provided to be capable of performing an opening/closing operation with respect to the casing between two positions which are an opened position which exposes and a closed position which does not expose an inside of the casing, and at least a portion of the liquid containing body is exposed, by an opening operation of the operating panel.

Abstract: To solve the problem of a liquid supply unit of the related art in that liquid supply may become difficult. The invention provides a tank capable of supplying a liquid to a liquid ejection head, the tank including: a liquid containing portion capable of containing the liquid; and an atmospheric air introducing portion constituting an atmospheric air flow channel capable of introducing atmospheric air into the liquid containing portion, wherein the atmospheric air introducing portion includes a buffer chamber capable of containing the atmospheric air, a liquid retaining member is housed in the buffer chamber, and in a state in which the liquid retaining member is housed in the buffer chamber, a gap that allows the atmospheric air to move between a first communication port and a second communication port of the atmospheric air flow channel is provided within the buffer chamber.

Abstract: There is provided a plug member that is detachably mounted to a liquid inlet to close the liquid inlet. The plug member comprises a sealing part configured to close the liquid inlet, such that at least part of the sealing part is inserted in the liquid inlet; and a cover part arranged around at least part of circumference of the sealing part.

Abstract: A printer includes a printing unit including a printing head configured to eject ink onto a sheet and a sheet ejecting portion configured to eject the sheet after the printing head performs a printing operation, a scanner unit located above the printing unit and configured to read an image on a document, and a tank unit located on a lateral side of the printing unit. The tank unit includes a tank storing the ink to be supplied to the printing head and a housing covering the tank. The housing provides at least a front surface, a lateral surface, a rear surface, and an upper surface of the tank unit. A front surface of the printing unit is flush with the front surface of the tank unit when the printing unit has a front surface on a side of the sheet ejecting portion.

Abstract: A liquid container includes a liquid container portion and a liquid inlet portion. The liquid inlet portion is connected with the liquid container portion and configured to pour liquid into the liquid container portion. The liquid container portion includes a bottom wall, a liquid inlet portion-forming wall that is located above the bottom wall and at which the liquid inlet portion is arranged, a visual recognition wall, an opposite wall opposite the visual recognition wall, and a partition wall. The visual recognition wall is a wall that extends in a direction intersecting the bottom wall and the liquid inlet portion-forming wall and through which the liquid in the liquid container portion is visible from outside. At least a part of the partition wall is located between the visual recognition wall. The opening is an intersecting part at which the liquid inlet portion intersects with the liquid inlet portion-forming wall.

Abstract: There is provided a recording apparatus that can easily set a state in which liquid accommodation units are filled with a liquid for recording while suppressing increases in an installation area. A recording apparatus including a liquid ejecting head 16 that performs recording by ejecting ink onto sheets of paper P, a discharge unit 20 in which a discharge opening 25 that includes a discharge region at which the sheets of paper, on which recording was performed by the liquid ejecting head, are discharged, is formed, and liquid accommodation units 30 that are capable of accommodating the liquid that is supplied to the liquid ejecting head, in an apparatus main body 12, in which the liquid accommodation units are provided with injection openings through which it is possible to inject ink into the liquid accommodation units, which are provided in a positions that are below the discharge unit in a perpendicular direction (?Z direction) and overlaps with the discharge unit in the perpendicular direction.

Abstract: There is provided a liquid container including a casing that has a side wall surrounding a container portion configured to contain a liquid; a projecting portion that is provided inside of the container portion to be protruded from a fourth wall corresponding to a bottom of the container portion; and a supply port that is provided in the casing to communicate with outside of the casing through an outer area outside of an overlapping area which overlaps the projecting portion in the container portion in a planar view of the fourth wall and discharge the liquid from the container portion. At least part of a second wall provided to face the projecting portion across a first liquid reservoir has optical transparency.

Abstract: A liquid container including: a liquid container part; a liquid injection part; an air introduction part; and a buffer part that is in communication with the liquid container part via a first communication path, and in communication with the air introduction part via a second communication path. the buffer part, when the liquid container is in a second orientation that is rotated from the first orientation by 180°, is configured to store the liquid having a volume that is equal to or larger than a volume of the liquid in the liquid container part such that a surface of the liquid is located below a second opening end of the first communication path in the buffer part and a third opening end of the second communication path in the buffer part.

Abstract: A tank includes a liquid containing portion, an air introduction portion that enables the air to be introduced into the liquid containing portion, a liquid injection portion that enables the liquid to be injected into the liquid containing portion. The air introduction portion includes a first air introduction portion that is in communication with the liquid containing portion, and a second air introduction portion. The first air introduction portion includes a first air introduction port and a first air flow path. The second air introduction portion includes a second air introduction port and a second air flow path. A first member that is configured to pass the air through the inside and is configured to block the liquid through the inside. A second member that is configured to pass the air through the inside and is configured to block the liquid through the inside.

Abstract: A liquid ejection system includes a liquid ejection head configured to ejecting liquid, a liquid storage container that includes a liquid storage portion capable of storing the liquid that is to be supplied to the liquid ejection head, and a ventilation unit that constitutes at least a portion of an air introduction portion that is in communication with the liquid storage portion and is configured to introducing air into the liquid storage portion, and is detachable from the liquid storage container. The ventilation unit includes an introduction passage that constitutes at least a portion of a path of air flowing toward the liquid storage portion in the air introduction portion, and an air chamber that constitutes at least a portion of the introduction passage. The ventilation unit is arranged in the periphery of the liquid storage container.

Abstract: An advantage of the present invention lies in reducing the likelihood that a cover will open needlessly. A liquid container unit for supplying a liquid to a liquid consuming apparatus includes: a liquid container, a case body, a cover that includes a rotation mechanism, and a locking mechanism configured to hold a closed state. The rotation mechanism includes: a first rotation portion configured to engage with the case body; and a second rotation portion configured to engage with the case body at a position located farther from the locking mechanism than the first rotation portion is in a rotation axis direction of the rotation mechanism, and a second length of an engaging portion at which the case body and the second rotation portion are engaged is longer than a first length of an engaging portion at which the case body and the first rotation portion are engaged.

Abstract: A liquid ejection device provided by the invention can be easily transported in a stable orientation in which the weight balance is kept. A printer of the invention includes a liquid ejection head for ejecting ink onto a sheet, ink tanks for storing ink to be supplied to the liquid ejection head, and tubes that connect the ink tanks to the liquid ejection head. An ink injection opening that enables the injection of ink is formed on the upper side of the ink tanks in the vertical direction, and one portion of the ink tanks and another portion of the ink tanks are respectively arranged on one side and another side that face each other across a sheet conveying region.

Abstract: A liquid container includes: a container portion that is configured to contain ink; and an ink inlet portion that is connected with the container portion and is configured to pour ink into the container portion. The container portion includes a fifth wall that is arranged to intersect with the ink inlet portion; a third wall that has optical transparency and is arranged to intersect with the fifth wall; and a partition wall that is located between the third wall and an intersecting part at which the ink inlet portion intersects with the fifth wall.