Abstract: A maintenance device includes a cap, a cap moving portion, a suction portion, a switching portion, and a drive transmission unit, wherein the drive transmission unit includes a drive source, a first transmission mechanism, and a second transmission mechanism, the first transmission mechanism includes a first drive delay unit that does not transmit driving of the drive source even when the drive source drives by a certain amount when the drive source performs switching of the switching portion via the second transmission mechanism, and the second transmission mechanism includes a second drive delay unit that does not transmit driving of the drive source even when the drive source drives by a certain amount when the drive source performs moving of the cap via the first transmission mechanism.

Abstract: A waste liquid container is detachably attached to an attachment section that is, in a use state, positioned on a down-direction side of a discharge section that discharges waste liquid from a liquid ejecting head, and the waste liquid container includes: a storage section having an inlet section that is positioned on an up-direction side and introduces the waste liquid which flows down from the discharge section; an absorbing member that is accommodated in the storage section, forms the inlet section, and absorbs the waste liquid introduced to the inlet section; and an accumulation region that communicates with the inlet section inside the storage section, is positioned on the down-direction side of the inlet section, is formed to have an area, when viewed in plan view from a top, larger than an area of the inlet section, and is configured to accumulate the waste liquid in a bubble form.

Abstract: A liquid tank includes: a liquid supply section; a liquid chamber; a liquid-communication flow path an air-communication flow path. The liquid-communication flow path has, in a liquid flow direction from the liquid chamber toward the liquid ejecting head: an upstream end coupled to the liquid chamber; an upward flow path located downstream of the upstream end and extending upward in the attached state; a downward flow path located downstream of the upward flow path and extending downward in the attached state; and a downstream end located downstream of the downward flow path and coupled to the liquid supply section and the air-communication flow path. The liquid-communication flow path has, at an intermediate position thereof, a narrow portion in which the sectional area of the liquid-communication flow path is small.

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: A liquid tank includes: a liquid supply section; a liquid chamber; a liquid-communication flow path an air-communication flow path. The liquid-communication flow path has, in a liquid flow direction from the liquid chamber toward the liquid ejecting head: an upstream end coupled to the liquid chamber; an upward flow path located downstream of the upstream end and extending upward in the attached state; a downward flow path located downstream of the upward flow path and extending downward in the attached state; and a downstream end located downstream of the downward flow path and coupled to the liquid supply section and the air-communication flow path. The liquid-communication flow path has, at an intermediate position thereof, a narrow portion in which the sectional area of the liquid-communication flow path is small.

Abstract: A waste liquid container is detachably attached to an attachment section that is, in a use state, positioned on a down-direction side of a discharge section that discharges waste liquid from a liquid ejecting head, and the waste liquid container includes: a storage section having an inlet section that is positioned on an up-direction side and introduces the waste liquid which flows down from the discharge section; an absorbing member that is accommodated in the storage section, forms the inlet section, and absorbs the waste liquid introduced to the inlet section; and an accumulation region that communicates with the inlet section inside the storage section, is positioned on the down-direction side of the inlet section, is formed to have an area, when viewed in plan view from a top, larger than an area of the inlet section, and is configured to accumulate the waste liquid in a bubble form.

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: A liquid supply device includes a first shell having a liquid storage chamber configured to store liquid and a liquid inlet portion through which the liquid is poured to the liquid storage chamber, a second shell that is a different member from the first shell, a holding member for holding a mutual positional relationship between the first shell and the second shell to be constant, and an atmospheric communication channel that makes outside and the liquid storage chamber communicate with each other.

Abstract: A liquid ejection apparatus has a liquid ejection head that has nozzles for ejecting liquid, a liquid container that has a liquid replenishing port through which the liquid is replenished from the outside, a plug member that can close the liquid replenishing port by being positioned at a closing position and open the liquid replenishing port by being positioned at an open position, a carriage configured to arrange the liquid ejection head and the liquid container, a cap configured to cap the nozzles so as to cover the nozzles, and a control unit, assuming that a state where the nozzles are covered by the cap is a capping state and a state where the nozzles are not covered by the cap is a non-capping state, configured to bring the nozzles and the cap into the non-capping state before removing the external container from the liquid replenishing port.

Abstract: Provided is a liquid tank in which air bubbles are less likely to remain in a valve mechanism provided in an on-carriage-type liquid tank. The liquid tank has a liquid supply portion, a first liquid chamber, a second liquid chamber that can contain the liquid to be supplied to the first liquid chamber, and a valve mechanism that is arranged between the first liquid chamber and the second liquid chamber, and the valve mechanism has, inside an exterior wall constituting the valve mechanism, a channel member, a biasing member, a valve body, and a rod from an upstream side of flow of the liquid in the stated order, the channel member is provided inside the biasing member, and includes a first channel in which the liquid can pass, and the exterior wall and the biasing member form a second channel through which the liquid can pass therebetween.

Abstract: A waste liquid container includes a waste liquid vessel having a mounting face, a first side face, and a bottom face that are outer surfaces intersecting each other, a waste liquid inlet disposed on the mounting face, a circuit board having a connection terminal disposed along the first side face, and a first recess portion that opens in the mounting face and the bottom face below the waste liquid inlet. In the waste liquid container, when a width direction is defined as a direction in which both the mounting face and the bottom face extend, the first recess portion is disposed at a position between the waste liquid inlet and the connection terminal in the width direction.

Abstract: A liquid ejection apparatus has a liquid ejection head that has nozzles for ejecting liquid, a liquid container that has a liquid replenishing port through which the liquid is replenished from the outside, a plug member that can close the liquid replenishing port by being positioned at a closing position and open the liquid replenishing port by being positioned at an open position, a carriage configured to arrange the liquid ejection head and the liquid container, a cap configured to cap the nozzles so as to cover the nozzles, and a control unit, assuming that a state where the nozzles are covered by the cap is a capping state and a state where the nozzles are not covered by the cap is a non-capping state, configured to bring the nozzles and the cap into the non-capping state before removing the external container from the liquid replenishing port.

Abstract: Provided is a liquid tank in which air bubbles are less likely to remain in a valve mechanism provided in an on-carriage-type liquid tank. The liquid tank has a liquid supply portion, a first liquid chamber, a second liquid chamber that can contain the liquid to be supplied to the first liquid chamber, and a valve mechanism that is arranged between the first liquid chamber and the second liquid chamber, and the valve mechanism has, inside an exterior wall constituting the valve mechanism, a channel member, a biasing member, a valve body, and a rod from an upstream side of flow of the liquid in the stated order, the channel member is provided inside the biasing member, and includes a first channel in which the liquid can pass, and the exterior wall and the biasing member form a second channel through which the liquid can pass therebetween.

Abstract: A waste liquid container includes a waste liquid vessel having a mounting face, a first side face, and a bottom face that are outer surfaces intersecting each other, a waste liquid inlet disposed on the mounting face, a circuit board having a connection terminal disposed along the first side face, and a first recess portion that opens in the mounting face and the bottom face below the waste liquid inlet. In the waste liquid container, when a width direction is defined as a direction in which both the mounting face and the bottom face extend, the first recess portion is disposed at a position between the waste liquid inlet and the connection terminal in the width direction.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head that ejects a liquid, a subsidiary tank connected to the liquid ejecting head, and a main tank capable of supplying the liquid to the subsidiary tank. The subsidiary tank is provided with a liquid introducing portion that receives the liquid from the main tank. The liquid introducing portion includes a receiving member that receives the liquid from the main tank. The receiving member is a porous member that seals the pressure chamber by being impregnated with the liquid. The main tank includes a reservoir portion in which the liquid is stored and a connecting flow path that extends from the reservoir portion. The connecting flow path includes a terminal portion that is connectable to and disconnectable from the liquid introducing portion.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head configured to eject liquid onto a medium, a mounting portion on which a liquid collection container including an absorber that absorbs liquid is removably mounted, a liquid receiving portion configured to receive the liquid ejected by the liquid ejecting head, and a relay portion located in a region communicating with the liquid receiving portion. The relay portion is located at a position in contact with the absorber of the liquid collection container mounted in the mounting portion.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head which ejects liquid, and a liquid receiving unit which receives the liquid ejected from the liquid ejecting head, in which the liquid receiving unit includes a receiving member which receives the liquid from the liquid ejecting head, a pressure chamber which can communicate with the outside through the receiving member, and a negative pressure generating mechanism which generates a negative pressure in the pressure chamber, and the receiving member is a porous member which seals the pressure chamber by being impregnated with the liquid.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head that ejects a liquid, a subsidiary tank connected to the liquid ejecting head, and a main tank capable of supplying the liquid to the subsidiary tank. The subsidiary tank is provided with a liquid introducing portion that receives the liquid from the main tank. The liquid introducing portion includes a receiving member that receives the liquid from the main tank. The receiving member is a porous member that seals the pressure chamber by being impregnated with the liquid. The main tank includes a reservoir portion in which the liquid is stored and a connecting flow path that extends from the reservoir portion. The connecting flow path includes a terminal portion that is connectable to and disconnectable from the liquid introducing portion.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head configured to eject liquid onto a medium, a mounting portion on which a liquid collection container including an absorber that absorbs liquid is removably mounted, a liquid receiving portion configured to receive the liquid ejected by the liquid ejecting head, and a relay portion located in a region communicating with the liquid receiving portion. The relay portion is located at a position in contact with the absorber of the liquid collection container mounted in the mounting portion.