Abstract: A liquid ejection head includes an element substrate having an energy-generating element configured to generate an energy for ejecting a liquid from an ejection orifice, a support member for supporting the element substrate, the support member including a liquid chamber formed therein to supply the liquid to the ejection orifice, and a damper portion for absorbing vibration of the liquid inside the liquid chamber, the damper portion being flexible. The support member has a through-hole for communicating with the liquid chamber at a position located above the liquid chamber in a vertical direction when the liquid ejection head is in a use orientation. The damper portion has a taper portion that tapers downwardly in the vertical direction and is positioned in such a manner that the tapering portion closes the through-hole, and the damper portion and the support member are attached to each other by a fixing member.

Abstract: A liquid cartridge includes a housing, a circuit board including an electrode, and a liquid supply portion extending from the housing in a depth direction. The housing includes a top wall, and first and second protrusions protruding upward from the top wall. The first protrusion is positioned rearward but the second protrusion is positioned frontward relative to the circuit board. The first protrusion is higher than an upper edge of a front end of the second protrusion. No part of the liquid cartridge is positioned higher than an imaginary plane in a height direction in a region between a first point on the first protrusion and a second point on the second protrusion (the upper edge of the front end of the second protrusion) in the depth direction. The imaginary plane passes through the first and second points, and extends perpendicularly to the depth direction.

Abstract: A three-dimensional printer for providing additive material to an object in need thereof includes a non-transitory computer memory; a processor in data communication with the computer memory; a material reservoir; an output device in communication with the material reservoir; a scanning device for obtaining existing contour information about the object; and a contour database accessible by the processor which has contour information about the object. The scanning device is in data communication with the processor. Programming causes: (1) the scanning device to obtain the existing contour information; (2) the computer memory to store the obtained existing contour information; and (3) the processor to create a print file based on data from each of: (a) the obtained existing contour information, and (b) the contour database. Further programming selectively actuates the output device, utilizing the print file, to apply the material from the material reservoir to the object in need thereof.

Abstract: A narrow type inkjet print head chip is disclosed and includes a silicon substrate, an active component layer and a passive component layer. The active component layer is stacked on the silicon substrate and includes plural ESD protection units, plural encoder switches, plural discharge protection units and plural heater switches. The ESD protection units, the encoder switches, the discharge protection units and the heater switches are disposed in each of at least two high-precision regions of the active component layer. The corresponding positions and quantities of these components are the same in the at least two high-precision regions. The passive component layer is stacked on the active component layer and includes plural heaters, plural electrode pads, plural encoders and plural circuit traces. The circuit traces are electrically connected to the ESD protection units, the encoder switches, the heater switches, the heaters, the electrode pads and the encoders.

Abstract: A cartridge is configured to be moved in a ?Y direction and then rotated in an intersecting direction intersecting with a Y direction in an installation process of installing the cartridge in a printing device including a device terminal holder holding device terminals and having first and second positioning portions. The cartridge includes cartridge terminals and a cartridge terminal mounting portion disposed on a case and has the cartridge terminals thereon in a movable manner in the Y direction and a rotation radial direction relative to the case. The cartridge terminal mounting portion includes a restricting portion configured to restrict the movement of the cartridge terminals in the Y and Z directions during the installation process. The restricting portion includes first and second restricting portions located at respective ends in the +Y and ?Y directions of the cartridge terminal mounting portion and being in contact with the respective first.

Abstract: Proposed is an ink storage tank that stores ink to supply the ink to an inkjet head equipped with a plurality of nozzles configured to eject the ink, the tank including an agitator configured to agitate the ink in an ink storage space defined in a housing of the ink storage tank, where the agitator includes a rotary shaft horizontally installed in the ink storage space, one or more blades that protrude outward from the rotary shaft, and a rotation drive unit configured to rotate the rotary shaft, and where the bottom surface of the ink storage space has a concavely curved shape corresponding to the trace of the outer edges of the rotating blades. The ink storage tank has an effect of maintaining desired dispersibility of particles in ink due to the agitator having the horizontal rotary shaft and the concavely curved bottom surface of the ink storage space.

Abstract: A liquid discharge apparatus includes a head configured to discharge a liquid, and a discharge receptacle configured to receive the liquid discharged from the head at an installation position. The discharge receptacle includes a liquid holder configured to receive the liquid discharged from the head, and a support configured to detachably support the liquid holder. At least a part of the support is displaceable to a detachment position at which the liquid holder is detachable from the support, and the detachment position is lower than the installation position.

Abstract: Various embodiments disclose a method for operating a printer apparatus. The method comprising monitoring a utilization rate of each heating element in a first set of heating elements defined by a print head arrangement. Further, the method comprises generating a utilization dataset based upon monitoring of the utilization rate of each heating element in the first set of heating elements print head arrangement. Furthermore, the method includes analyzing the utilization dataset to identify one or more overutilized heating elements of the first set of heating elements. Additionally, the method includes identifying a second set of heating elements defined by the print head arrangement. The second set of heating elements comprises a portion of the first set of heating elements exclusive of the one or more overutilized heating elements. The method further includes processing a print job. The processed print job utilized the second set of heating elements during printing.

Abstract: A printhead for a thermal transfer printer comprising a plurality of printing elements, each of the printing elements being configured to transfer ink from an ink carrying ribbon to a substrate, and at least one sensor arranged to sense ink carrying ribbon. The at least one sensor comprises at least one emitter arranged to emit radiation towards the ribbon and a plurality of receivers. Each of the plurality of receivers is arranged to receive a respective reflected signal reflected by the ribbon, each reflected signal is based upon radiation emitted by the at least one emitter.

Abstract: A device includes a first column of contact pads. The device also includes a column of fluid actuation devices disposed longitudinally to the first column of contact pads.

Abstract: A logic circuitry package for a replaceable print apparatus component includes an interface to communicate with a print apparatus logic circuit, and a logic circuit having a communication address to communicate with the print apparatus logic circuit. The logic circuit is configured to detect, via the interface, communications that include an other communication address. The logic circuit is configured to respond, via the interface, to a command series directed to the logic circuit that include the communication address of the logic circuit, based on the detected communications.

Abstract: The present disclosure discloses a heat transfer printing on-line code printing system. A conveyor belt is arranged on a worktable. A pressing conveyor and a code printer are erected on the worktable. The pressing conveyor includes a mounting frame. An adjustment frame located above the conveyor belt is arranged on the mounting frame. Two roller groups that are arranged opposite to each other are rotatably arranged on the inner side of the adjustment frame. Acting sides of the two roller groups penetrate out from the bottom of the adjustment frame to the position above of the conveyor belt. The two roller groups are in coaxial transmission. The adjustment frame is connected to the mounting frame, and the mounting frame is in threaded connection with an adjustment rod. The inner side of the mounting frame is connected with multiple support components that are elastically pressed against the adjustment frame.

Abstract: A liquid discharge apparatus includes a head to discharge a liquid containing a solvent from a discharge port toward an object, a concentration detector to detect a vapor concentration of the solvent, and circuitry to causes the head to discharge the liquid from the discharge port while moving the discharge port of the head in a movement direction perpendicular to a discharge direction to discharge the liquid. When the vaper concentration is equal to or higher than a first threshold, the circuitry stops moving the head in the movement direction and causes the head to stop discharging the liquid from the discharge port. When the vaper concentration is less than a second threshold, the circuitry resumes moving the head in the movement direction from a stop position where the head stops moving in the movement direction and causes the head to resume discharging the liquid from the discharge port.

Abstract: Printing is performed with a printing material accommodated in a printing material accommodation body. Accommodation body information on the printing material accommodation body is acquired. When the accommodation body information on the printing material accommodation body is first information, an operation of a first mode is performed. Meanwhile, when the accommodation body information on the printing material accommodation body is second information, in a case in which a permission condition is satisfied according to communication with a server apparatus, an operation of a second mode is performed.

Abstract: A printing unit includes a platen lock mechanism for switching between a locked state and an unlock state of the platen roller; and an urging member for urging the lock arm. The head unit has receiving grooves receiving the platen bearings through an opening. A lock arm presses the platen bearings when the operation lever is at the lock position, and is configured to allow disengagement of the platen bearings from the receiving groove through the opening by being swung from the lock position toward the unlock position side. The lock arm includes a pushing-up arm configured to push the platen bearings from the receiving groove toward the opening side along with movement of the operation lever from the lock position toward the unlock position. An urging member urges the lock arm toward the platen unit side.

Abstract: In a liquid ejection apparatus, a controller of the liquid ejection apparatus is configured to, in response to receiving a recording instruction to instruct the liquid ejection apparatus to perform image recording on a recording medium, perform ejection inspection to determine whether liquid is ejected from each nozzle of a liquid ejection head toward an electrode based on a signal outputted from a signal output circuit. For the ejection inspection, the controller is configured to control a voltage applying circuit to apply an inspection voltage between the electrode and the liquid ejection head. In response to detecting that a leakage current greater than a predetermined value flows between the electrode and the liquid ejection head, the controller is configured to cancel the ejection inspection and control a voltage applying circuit to apply a reverse voltage opposite in polarity to the inspection voltage between the electrode and the liquid ejection head.

Abstract: A liquid container includes: a liquid containing section that stores liquid; a supply port joined to the liquid containing section, the supply port having an opening for supplying the liquid to an outside; a seal member disposed on an inner peripheral surface of the opening of the supply port; a cap configured to be attached to a position where it covers the supply port, the cap having a tubular protruding portion extending from a cap opening formed at a center of the cap, the protruding portion having a length sufficient to be inserted into the opening of the supply port; and a fixation portion that fixes the cap to the supply port, wherein the tubular protruding portion has a shape that abuts the seal member disposed on an inner peripheral surface of the opening when the cap is fixed to the supply port by the fixation portion.

Abstract: A first channel member of a fluid discharge head includes a plurality of discharge holes, a plurality of pressurization chambers individually linked to the discharge holes, and first and second shared channels linked to the pressurization chambers. The first shared channel opens at a plurality of first openings linked to the pressurization chambers, includes a first connection region that is a range of distribution of the plurality of first openings in the channel direction of the first shared channel. The second shared channel opens at a plurality of second openings linked to the plurality of pressurization chambers. The second shared includes a second connection region that is a range of distribution of the plurality of second openings in the channel direction of the second shared channel. The first channel member further includes a bypass channel linked to the first and second connection regions in parallel with the pressurization chambers.

Abstract: In one example in accordance with the present disclosure, a print liquid supply is described. The print liquid supply includes a reservoir for holding a supply of print liquid. The reservoir includes a pliable body having a front face and a back face. The print liquid supply also includes a spout affixed to the reservoir. The spout is located at a corner of the front face offset from a centerline of the front face.

Abstract: The present disclosure relates to an induced electrohydrodynamic jet printing apparatus including an induced auxiliary electrode, and the induced electrohydrodynamic jet printing apparatus including an induced auxiliary electrode according to the present disclosure includes a nozzle for discharging supplied solution towards an opposite substrate through a nozzle hole formed at one end; a main electrode coated with an insulator and interpolated inside the nozzle, thus not contacting the solution inside the nozzle but separated from the solution; the induced auxiliary electrode made of a conductive material and formed at an outer surface of the nozzle; and a voltage supply for applying voltage to the main electrode.