Abstract: A liquid discharge head includes a liquid port, a frame including a liquid channel in which a liquid supplied from the liquid port flows, and an intermediate member between the liquid port and the frame. The liquid port includes a first connection portion connectable to the frame, the frame includes a second connection portion connectable to the first connection portion of the liquid port, and the intermediate member includes a third connection portion connectable to the second connection portion of the frame and a fourth connection portion connectable to the first connection portion of the liquid port.

Abstract: An object of the present disclosure is to provide a technique capable of appropriately ordering an ink bottle. One embodiment of the present disclosure is a printing apparatus that includes: an ink tank that stores ink supplied from an ink bottle; and a head to which ink is supplied from the ink tank, and the printing apparatus includes a transmission unit configured to transmit status information in which at least information relating to an ink remaining amount within the ink tank is included to a server and order processing of a new ink bottle is performed based on an ink consumption amount of the ink bottle.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head configured to eject liquid from a nozzle onto a medium to perform printing, a liquid accommodating unit configured to receive, via an opening, the liquid ejected by empty discharging that ejects the liquid from the liquid ejecting head separately from the printing, a cover movable to a closed position where the opening of the liquid accommodating unit is covered and an open position where the opening is opened, and a detection unit configured to detect the cover positioned at the closed position or the open position.

Abstract: In a liquid ejection head, an ejection pressure is applied to a pressure chamber for liquid ejection from a nozzle. A descender extends in a first direction and includes a first end connected to the pressure chamber and a second end. A communication passage is connected to the second end, extends in a second direction crossing the first direction, and has a first dimension in the first direction. The nozzle is positioned at the communication passage such that a shortest distance between an outer periphery thereof and a center of the second end is greater than 0.5 times a second dimension of the second end in the second direction. When viewed in the first direction, the center of the second end and a center of a cross-section defined by the nozzle to be orthogonal to an extending direction of the nozzle intersect an axis of the communication passage.

Abstract: An element substrate of multi-layer structure, comprising an electrothermal transducing element formed in a first layer, a protective film covering the electrothermal transducing element, an anti-cavitation film formed on the protective film, a first electrical wire formed in the same layer as the anti-cavitation film, arranged to be separated from the electrothermal transducing element, and electrically connected to at least one end of the electrothermal transducing element, a second electrical wire on an opposite side, in relation to the electrothermal transducing element, to the protective film, and formed in a second layer, and a first connection member that extends between the first and second layers, and that electrically connects the first and second electrical wires.

Abstract: A liquid discharge head that includes piezoelectric elements, a pressure chamber plate defining pressure chambers corresponding to the piezoelectric elements, and a vibrating plate disposed between the piezoelectric elements and the pressure chamber plate is provided. In the liquid discharge head, the vibrating plate has, in a first position and a second position, a first portion and a second portion that is away from the end of the pressure chamber than the first portion in a first direction and has a thickness different from a thickness of the first portion. In the first position, a width of the second portion in the first direction is a first width, and in the second position, a width of the second portion in the first direction is a second width that is less than the first width.

Abstract: A liquid discharge head includes: a first pressure chamber group formed by pressure chambers arranged in a first direction; a second pressure chamber group formed by pressure chambers arranged in the first direction, and disposed side by side with the first pressure chamber group in a second direction; a first common channel extending in the first direction and communicating with the pressure chambers composing the first pressure chamber group; a second common channel extending in the first direction and communicating with the pressure chambers composing the second pressure chamber group; a first dummy pressure chamber disposed on one side in the first direction relative to the first pressure chamber group; and a second dummy pressure chamber disposed on the one side in the first direction relative to the second pressure chamber group.

Abstract: A liquid discharge apparatus is provided, including a liquid discharge head including: an upper substrate, a plurality of piezoelectric elements, an intermediate substrate, a lower substrate and a plurality of individual traces arranged on the upper substrate and extending toward the contacts arranged on the one end side in the second direction from the plurality of piezoelectric elements respectively.

Abstract: A liquid discharge apparatus is provided, which comprises a conveyor, a support member which supports a medium existing in a conveying passage, a head, a maintenance mechanism which has a wiper, and a wiper cleaner. The maintenance mechanism is opposed to a nozzle surface of the head and movable to a wiping position at which the wiper abuts against the nozzle surface and a cleaning position at which the wiper abuts against the wiper cleaner. The wiper cleaner is disposed at a position at which a part thereof is overlapped with the support member in a direction orthogonal to the nozzle surface under or below the support member.

Abstract: A liquid ejecting head includes a first sidewall, a second sidewall, and head chips. The head chips are arranged side by side between the first sidewall and the second sidewall. Each of the head chips has nozzles configured to discharge a liquid. The first sidewall is formed by a portion of a holder from which the liquid is to be supplied to the head chips, whereas the second sidewall is formed by a portion of a fixed plate to which the head chips are fixed. The fixed plate has an aperture through which the nozzles are exposed.

Abstract: A liquid discharge apparatus includes a head including a nozzle surface having nozzles, the head configured to discharge a liquid from the nozzles, a head plate holding the head, and a wiping device including a wiper configured to wipe the nozzle surface of the head, a wiper support plate holding the wiper, the wiper support plate vertically movable with respect to the head plate, a cover between the head plate and the wiper support plate, the cover configured to cover the wiper, a lifting device configured to vertically move the wiper support plate and the cover toward the head plate until the cover contacts the head plate, and an adjuster between the wiper support plate and the cover, the adjuster configured to adjust a position of the wiper support plate with respect to the cover.

Abstract: A printing apparatus comprises: a printing unit configured to print onto a sheet by ejecting ink from a printing head; a maintenance unit configured to perform a maintenance operation capable of being performed in parallel with the printing performed by the printing unit; and a control unit configured to control the maintenance unit such that when the printing by the printing unit and the maintenance operation by the maintenance unit are performed in parallel, and the maintenance operation is not completed by the time the printing by the printing unit has ended, the maintenance operation is ended without being completed.

Abstract: A drop ejector array device includes a first plurality and a second plurality of drop ejectors that are alternatingly disposed along an array direction on the substrate surface. A voltage input terminal and a current return terminal are disposed on the substrate surface. A first power bus line connects the first plurality to the voltage input terminal. A second power bus line connects the second plurality to the voltage input terminal. The second power bus line is electrically connected to the first power bus line by a primary power bus connector line. A first current return bus line connects the first plurality to the current return terminal. A second current return bus line connects the second plurality to the current return terminal. The second current return bus line is electrically connected to the first current return bus line by a primary current return bus connector line.

Abstract: A liquid discharge device includes a head including a discharge port. The head discharges a liquid from the discharge port toward an object. The liquid discharge device further includes a liquid receiving surface to receive the liquid discharged from the discharge port, a liquid collector to collect the liquid received by the liquid receiving surface, and a moving unit to hold the liquid receiving surface and the liquid collector. The moving unit is movable at a facing position where the liquid receiving surface faces the discharge port without changing an inclination of the liquid collector with respect to a horizontal plane.

Abstract: A maintenance jig includes a protector and an opening. The protector is configured to be attached to a head that has a nozzle surface including a nozzle row to discharge liquid or a head holder that holds the head. The protector is configured to protect the nozzle row. The opening is adjacent to the protector in a lateral direction of the nozzle row intersecting a longitudinal direction of the nozzle row. A distance between an end of the protector in the longitudinal direction of the nozzle row and the nozzle surface is larger than a distance between a portion of the protector other than the end of the protector in the longitudinal direction and the nozzle surface when the maintenance jig is attached to the head or the head holder.

Abstract: An ink jet head maintenance apparatus includes a suction member which includes a suction hole to suction ink and in which air in the suction hole is suctioned from one opening of the suction hole by a suction operation unit. The suction member includes a height adjustment surface which is adjacent to an opening surface in which the other opening of the suction hole is provided and in which an inner angle formed with the opening surface is an obtuse angle. Each position of the opening surface is able to move in a first direction including a normal direction of the opening surface in a predetermined initial state in response to external force applied to the height adjustment surface.

Abstract: A wiping device includes a feeding portion having a feeding shaft, and configured to hold a band-like member, a pressing unit configured to allow a contact portion located in a contact region of the band-like member, to be brought into contact with a liquid ejecting portion, a winding portion having a winding shaft, and configured to be capable of performing a winding operation for winding the band-like member to move the contact portion in a movement direction, a brake mechanism configured to brake rotation of the feeding shaft, and a contact unit configured to contact the band-like member fed from the feeding portion and to apply tension to the band-like member, the contact unit being movable between an operating time position during the winding operation and a stop time position when the winding operation is not performed.

Abstract: According to one embodiment, a cleaning device comprises a suction port portion, a guide portion, and an urging member. The suction port portion is configured to face a nozzle plate of a liquid discharge head at a predetermined gap distance between the suction port and the nozzle plate. The guide portion is configured to face a cover mask of the liquid discharge head and is moveable in a direction away from the cover mask. The cover mask covers a periphery of a surface of the nozzle plate. The urging member is configured to urge the guide portion toward the cover mask.

Abstract: A liquid ejecting head including: an individual flow path row in which a plurality of individual flow paths communicating with a nozzle that ejects a liquid in a first axis direction are arranged in parallel along a second axis orthogonal to a first axis, and a first common liquid chamber communicating with the plurality of individual flow paths, in which each of the plurality of individual flow paths has a pressure chamber that stores a liquid.

Abstract: A liquid discharge head includes an individual channel which includes: a nozzle; a pressure chamber; a descender of which one end in the first direction is nearer to the nozzle than the other end; and a second connecting channel connecting a second common channel and the one end of the descender. A central axis of the nozzle is positioned between the second common channel and a central axis of the descender in the second direction. The descender includes a first portion including the one end and a second portion positioned between the pressure chamber and the first portion in the first direction. In an end, of the descender, opposite to the second connecting channel in the second direction, an inner wall defining the one end of the first portion protrudes toward the second connecting channel in the second direction beyond an inner wall defining the second portion.