Abstract: Disclosed is a method of manufacturing, a metal nozzle plate, in which is formed a nozzle for discharging a liquid and that is to be bonded with adhesive to a head chip provided with an actuator for discharging the liquid, the method including: forming the nozzle in a metal plate-like member; forming a groove in the metal plate-like member; and performing exterior processing with respect to the nozzle plate.

Abstract: There are provided a head chip and so on capable of improving the print image quality. The head chip according to an embodiment of the present disclosure is provided with an actuator plate having a plurality of ejection grooves and a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves. The plurality of ejection grooves is arranged side by side so as to at least partially overlap each other along a predetermined direction. Further, the nozzle holes adjacent to each other along the predetermined direction out of the plurality of nozzle holes are arranged so as to be shifted from each other along an extending direction of the ejection grooves in the nozzle plate.

Abstract: A liquid discharge apparatus includes an apparatus body, a liquid discharge device configured to discharge a liquid, a carriage in the apparatus body, the carriage configured to movably mount the liquid discharge device, a first storage container detachably attached to the carriage, the first storage container configured to store a first liquid, and a second storage container detachably attached to the apparatus body, the second storage container configured to store a second liquid different from the first liquid.

Abstract: A physical quantity detection device including a container that accommodates a detection object formed of a dielectric and whose depth direction is a direction of a z axis when an x axis, a y axis, and the z axis along a vertical direction are set as axes orthogonal to one another, a first electrode provided at an outer side of the container, at least one second electrode that has an elongated shape extending in a direction of the y axis, is provided at an outer side of the container, and is separated from and faces the first electrode in a direction of the x axis, a first insulation layer that covers the first electrode, a second insulation layer that covers the second electrode, and an electrostatic capacitance detector that detects an electrostatic capacitance between the first electrode and the second electrode.

Abstract: Examples of a print liquid supply unit are described herein. In some examples, the print liquid supply unit includes a first housing component including an alignment feature. In some examples, the print liquid supply unit includes sensor circuitry. In some examples, the print liquid supply unit includes a sensor support secured to the first housing component with the alignment feature.

Abstract: A device includes a plurality of fluid ejection dies, wherein each of the fluid ejection dies includes a contact pad and a plurality of fluid actuation devices. The device includes an electrical interconnect element in contact with the contact pad of each of the fluid ejection dies to electrically interconnect the plurality of fluid ejection dies.

Abstract: A liquid discharging apparatus may include a first head unit and a second head unit. The first head unit includes first and second parts. A position of the second part in a first direction is different from that of the first part, and a width is shorter than a width of the first part in a second direction. The second head unit includes a fourth part and a fifth part. A position of the fifth part in the first direction is different from that of the fourth part, and a width is shorter than a width of the fourth part in the second direction. The first head unit and the second head unit are disposed side by side in the second direction. At least a part of the second part and at least a part of the fifth part do not overlap with each other in the first direction.

Abstract: A liquid ejecting apparatus includes a first head having a first channel pipe, a channel member having a second channel pipe, and a first tube that communicates the first channel pipe with the second channel pipe and that has flexibility. The first tube has a first end portion and a second end portion that is opposite to the first end portion. The first tube is coupled to the first channel pipe in such a manner that the first end portion covers an outer periphery of the first channel pipe. The first tube is also coupled to the second channel pipe in such a manner that the second end portion covers an outer periphery of the second channel pipe. A fixation strength between the first tube and the first channel pipe is greater than a fixation strength between the first tube and the second channel pipe.

Abstract: An image forming apparatus includes an ink having a dynamic surface tension of from 30 to 50 mN/m at a life time of 15 msec at 25 degrees C., a container containing the ink, and a head configured to discharge the ink to a fabric including a first fabric containing synthetic fiber in an amount of more than 50 percent by mass and a second fabric containing natural fiber in an amount of 50 percent by mass or greater, wherein the droplet of the ink discharged to the first fabric is larger than the droplet of the ink discharged to the second fabric.

Abstract: A printing unit includes: a sleeve and a print module received in the sleeve, the print module being slidably removable, in a first direction, from the sleeve. The print module includes a supply module and a replaceable printhead. The printhead is slidably removable, in a second direction, from the supply module, the first and second directions being non-parallel.

Abstract: A liquid level sensor package for a replaceable print liquid reservoir, the package including a number of heater circuits, each heater circuit including a heater element to dissipate heat and a number of control devices, each control device individually controllable to be electrically connected to the heater element, the heater element to dissipate a different amount of heat when electrically connected to different ones of the control devices.

Abstract: An ejection surface extends in a first direction as a scanning direction and a second direction orthogonal to the first direction and is externally exposed. A plurality of nozzles opens at the ejection surface. A plurality of partial channels is located inside the ejection surface, and at bottom surfaces on a side of the ejection surface, the nozzles open. The plurality of nozzles is arranged in a direction intersecting with the first direction in plural rows to constitute a plurality of nozzle rows. The number of the nozzles arranged in each row is greater than the number of the plural rows. Between the nozzles in each nozzle row, the nozzles in other nozzle rows appear as seen in the first direction. A position of openings in the bottom surfaces of the partial channels differs across at least some of the nozzles in each nozzle row.

Abstract: A controller determines, for each cartridge, whether a remaining amount in a first liquid chamber is smaller than a first liquid amount; in response to determining that a first cartridge exists for which the remaining amount is smaller than the first liquid amount, determines, for each cartridge other than the first cartridge, whether the remaining amount is smaller than a second liquid amount larger than the first liquid amount; in response to determining that a second cartridge exists, determines whether a remaining amount of the second cartridge is smaller than the first liquid amount, the second cartridge having the remaining amount smaller than the second liquid amount; and in response to determining that a particular second cartridge exists, displays a first screen including a first object that prompts replacement of the first cartridge and the particular second cartridge having the remaining amount smaller than the first liquid amount.

Abstract: A liquid ejecting system includes a specific liquid ejecting apparatus having a first identifier indicative of coverage by a specific service plan, and a specific liquid container having a second identifier indicative of coverage by the specific service plan. The specific liquid ejecting apparatus includes an acquisition section that acquires the second identifier, and a determination section that compares the first identifier with the acquired second identifier and determines whether the specific liquid container is usable for the specific liquid ejecting apparatus.

Abstract: An example fluidic device may comprise a fluidic die and a support element coupled to the fluidic die. A fluid channel may be arranged within the support element and may define a fluid path through the support element and a fluid aperture of the fluidic die. A conductive element may be arranged in the fluid path and be coupled to a ground of the fluidic die. A material and size of the conductive element may be selected to engender galvanic effect at an approximately zero potential.

Abstract: A liquid discharge head, includes an individual channel, and first and second common channels. The individual channel includes: a nozzle; a pressure chamber; a connection channel; a first communication channel; and a second communication channel. A first vector is defined such that a starting point and ending point are located on the connection channel, and a second vector is defined such that a starting point and an ending point are located on the second communication channel. A first angle formed by a projection vector of the first vector onto the first plane and a projection vector of the second vector onto the first plane is less than 90°. A second angle formed by a projection vector of the first vector onto the second plane and the second vector is less than 90°.

Abstract: A modular inkjet printhead includes a plurality of printhead modules arranged end on end in a row, each printhead module having at least four rows of print chips configured for printing at least four different inks, each print chip having multiple nozzle rows for redundant printing of a respective ink. A print zone of the printhead has a width of less than 100 mm in a media direction.

Abstract: A liquid ejecting apparatus includes: a liquid ejecting head having a nozzle plate, a case head disposed in a second-direction opposite to a first-direction with respect to the nozzle plate, and a lid member; and a carriage having an outer wall surrounding a periphery of the nozzle plate, in which the lid member has a first-surface, a second-surface, and a third-surface, the first-surface is disposed in the first direction with respect to the nozzle plate, the second-surface is coupled to the first-surface and is disposed to cover a part of a side surface of the case head in a third-direction orthogonal to the first-direction, the third-surface is coupled to the second-surface to extend in the third-direction, and is disposed so as not to abut on the outer wall, and an end portion of the third-surface in the third-direction overlaps the outer wall when viewed in the second-direction.

Abstract: A manufacturing method of a liquid storage body includes: preparing a pre-restored storage body that has a bag to which a connection member is attached, and that is thereby sealed, the connection member being provided with a liquid outlet port, a storage-body-side electrical connection portion, a first receiving portion that receives a first positioning portion, and a second receiving portion that receives a second positioning portion; forming a communication portion that is in communication with the internal space of the bag by processing the bag; injecting a liquid from the communication portion into the internal space of the bag; and closing the communication portion so as to seal the bag.

Abstract: A liquid discharge apparatus includes a liquid discharge device configured to discharge a liquid onto a discharge target from nozzles on a discharge surface of the liquid discharge device in a liquid discharge direction, an adhesion part including an adhesion surface to which mist of the liquid discharged by the liquid discharge device adheres, and a detector including a detection surface facing the adhesion surface of the adhesion part, the detector configured to detect a surface state of the adhesion surface of the adhesion part. The detection surface of the detector is above the discharge surface of the liquid discharge device in the liquid discharge direction, and the adhesion part is configured to move to change the adhesion surface facing the detection surface of the detector.