Abstract: Examples include a fluid ejection die. Examples comprise an ejection nozzle and an ejection chamber fluidly connected to the ejection nozzle. A fluid input hole is fluidly connected to the ejection chamber. A fluid output channel is also fluidly connected to the ejection chamber, and a fluid output hole is fluidly connected to the fluid output channel. Examples further comprise a fluid pump disposed in the fluid output channel to pump fluid from the ejection chamber out of the fluid output hole.

Abstract: A head module includes a base including a plurality of openings, and a plurality of heads inserted into the plurality of openings, respectively, to be mounted on the base. The plurality of heads includes a nozzle plate including a nozzle, an individual channel member disposed on the nozzle plate and including an individual chamber communicating with the nozzle, and a frame fixed to the individual channel member. Coefficients of linear expansion of the nozzle plate and the individual channel member are substantially identical to a coefficient of linear expansion of the base, and one of the nozzle plate and the individual channel member is bonded to the base.

Abstract: Systems, articles and methods to provide lens shading color correction using block matching are disclosed. Example processor systems disclosed herein include memory to store first shade correction data. Disclosed example processor systems also include processor circuitry to cluster blocks of an image into at least one cluster based on a criterion, process the at least one cluster to determine at least one modification parameter, modify the first shade correction data with the at least one modification parameter to determine second shade correction data, and correct a lens shade effect associated with the image based on the second shade correction data.

Abstract: A printer includes a platen roller portion (23) that feeds a continuous paper, a printing head portion (13) that performs printing on the continuous paper, and a damper portion (15) that reduces a stress acting on the continuous paper. In a case of a transition from a state where the printing head portion (13) is positioned on an open position separated from the platen roller portion (23) and the damper portion (15) is positioned on an open position separated from the continuous paper to a state where the printing head portion (13) is positioned on a closed position opposing the platen roller portion (23) and the damper portion (15) is positioned on a closed position abutting on the continuous paper, the damper portion (15) moves to the closed position after the printing head portion (13) moved to the closed position.

Abstract: A flexible member includes a first member, a second member overlapping the first member, and a plurality of second reinforcing portions. The first member includes a non-overlapping region not overlapping the second member. The non-overlapping region includes an edge portion of the first member. The second member includes a plurality of first reinforcing portions between which the non-overlapping region is interposed. Each of the plurality of second reinforcing portions overlaps both a first area of the second member in which one of the plurality of first reinforcing portions is formed and a second area of the second member other than the first area when the flexible member is projected from a direction perpendicular to a surface of the flexible member.

Abstract: A liquid ejecting head has: a nozzle plate defining a nozzle; a pressure generating section corresponding to a pressure chamber communicating with the nozzle and the section configured to cause a liquid to be ejected from the nozzle; a common flow path through which the liquid is to be supplied to and discharged from the pressure chamber; and a vibration absorbing body configured to eliminate changes in pressure in the common flow path. The vibration absorbing body and the nozzle plate each define an inner wall of the common flow path and an outer wall of the liquid ejecting head.

Abstract: A head chip, a liquid jet head, and a liquid jet recording device capable of achieving the miniaturization while enhancing the reliability are provided. The head chip according to an embodiment of the disclosure includes an actuator plate having a plurality of ejection grooves arranged side by side in a first direction, a plurality of non-ejection grooves arranged side by side along the first direction, and individual electrodes respectively formed in the plurality of non-ejection grooves, a nozzle plate having a plurality of nozzle holes individually communicated with the plurality of ejection grooves, and a cover plate adapted to cover the actuator plate. The cover plate has interconnection connecting sections respectively disposed in end part areas along a second direction perpendicular to the first direction, and adapted to electrically connect a plurality of individual interconnections electrically connected to the individual electrodes to an interconnection board outside the head chip.

Abstract: A liquid ejection apparatus is disclosed. One apparatus includes a piezoelectric element. The piezoelectric element includes an upper electrode and a lower electrode. The lower electrode has a partial overlapping portion and a non-overlapping portion. The partial overlapping portion at least partially overlaps the pressure chamber. The partial overlapping portion of the lower electrode has two ends in the transverse direction. The upper electrode has two ends in the transverse direction. A distance from the center of the pressure chamber in the transverse direction to one of the two ends of the upper electrode in the transverse direction is smaller than a distance from the center of the pressure chamber in the transverse direction to a corresponding one of the two ends of the partial overlapping portion in the transverse direction.

Abstract: A drop-on-demand printing method comprising performing the following steps in a printing head: discharging a first primary drop of a first liquid from a first nozzle outlet to move along a first path (pA) with a first speed; discharging a second primary drop of a second liquid from a second nozzle outlet to move along a second path (pB) with a second speed, lower than the first speed, wherein the second path (pB) is inclined with respect to the first path (pB) along an axis inclined at an angle (?) from 3 to 60 degrees and crosses the first path (pA) at a connection point; controlling the flight of the first primary drop and the second primary drop to combine the first primary drop with the second primary drop into a combined drop at the connection point so that a chemical reaction is initiated between the first liquid of the first primary drop and the second liquid of the second primary drop; applying electric charge to the combined drop; wherein the path of flight (pC) of the combined drop is altered no mor

Abstract: According to an example, a printhead including a thin film passivation layer, an adhesion layer, and a fluidics layer; wherein the thin film passivation layer is an atomic layer deposition thin film layer is disclosed.

Abstract: Quantization is performed on multi-valued data corresponding to a non-overlap recording area and one of recording heads on the basis of a dither pattern and multi-valued data corresponding to the non-overlap recording area and the other one of the recording heads, and also arrangements of thresholds for the dither patterns used between the scanning operations are varied.

Abstract: A method of calibrating the jetting profile includes applying voltage to a piezoelectric actuator to move a valve closure structure between non-impact and impact positions, sensing the position of the valve closure structure, establishing a reference point using voltage and position data, and using the reference point to adjust the voltage applied. Another method uses a mechanical stop to calibrate a jetting system. This method includes applying voltage to the piezoelectric actuator to move the valve closure structure between non-impact and impact calibration positions, sensing the position of the valve closure structure, generating voltage and position calibration data, establishing a master reference point using this data, and using the master reference point to determine wear of at least one of: the piezoelectric actuator and the valve closure structure. Another method of operating a jetting system includes the user inputting information into a control component.

Abstract: The invention describes a method and apparatus for characterising EHT tripping events and thus discriminating between false trip events and those that warrant the printer being shut down.

Abstract: A flow deflector, an inkjet printing method, an inkjet printing device, and a method for manufacturing a display substrate are provided. The flow deflector includes a plate-shaped body, and the plate-shaped body includes a first surface and a second surface opposite to each other, a plurality of through holes is arranged in the plate-shaped body, each of the plurality of through holes penetrates from the first surface to the second surface, and comprises a first opening formed on the first surface and a second opening formed on the second surface, and an opening area of the first opening is larger than an opening area of the second opening.

Abstract: A printing apparatus includes an ink head, a carriage, and a cap. The ink head includes a nozzle surface provided with a nozzle to discharge ink onto a recording medium. The carriage is equipped with the ink head, and disposed above a platen. The carriage is movable in a main scanning direction. The cap defines an enclosed space between the cap and the nozzle surface when the cap is attached to the ink head. The carriage includes a facing surface facing the platen and a guard provided on the facing surface to protrude downward. The guard is provided with a reference surface that positions the ink head and the cap relative to each other.

Abstract: A liquid discharge head includes: a channel unit having a discharge surface that is parallel to a first direction and a second direction orthogonal to the first direction, and a pressure chamber; and a piezoelectric actuator stacked on the channel unit in a third direction perpendicular to the discharge surface. The piezoelectric actuator includes: a piezoelectric body having piezoelectric layers stacked in the third direction; a first electrode; and second and third electrodes separated from the first electrode in the third direction. The piezoelectric body has a first portion that is interposed in the third direction between the first and second electrodes and that at least partially overlaps in the third direction with the pressure chamber; a second portion that is interposed in the third direction between the first and third electrodes; and a third portion that is interposed in the third direction between the first and third electrodes.

Abstract: An example braking system is described including a support structure which is pivotable about a first axis and a braking mechanism including a gear engagement mechanism which is fixed with respect to the first axis. The gear engagement mechanism may have a first and a second toothed portion, a first gear wheel rotatable about a second axis, and a second gear wheel rotatable about a third axis. The first gear may be connected to a first damping mechanism to damp pivoting of the support structure in a first direction when the first gear wheel is engaged with the first toothed portion. The second gear wheel may be connected to a second damping mechanism to damp pivoting of the support structure in a second direction when the second gear wheel is engaged with the second toothed portion. A print target holder system and a printer system are also described.

Abstract: To suppress the risk of ink bleeding and thereby attain an improved printing quality, a printing apparatus is provided that carries out an inkjet printing operation for a medium. The printing apparatus includes inkjet heads that eject droplets of ink using inkjet technique; and ultraviolet light sources that radiate ultraviolet light. The ink ejected from the inkjet heads contains an ultraviolet absorbent that absorbs ultraviolet light, and a solvent that dissolves or disperses the ultraviolet absorbent. The ejected ink is adherable to the medium and fixable by evaporating the solvent. The ultraviolet light sources irradiate the ink adhered to the medium with ultraviolet light so as to volatilize and remove at least part of the solvent from the ink.

Abstract: The present invention relates to an ink-jet printing method that is capable of obtaining good printed materials that are free of occurrence of color migration and deformation of a printing medium even when printed on a transparent resin printing medium using a water-based ink containing a white ink, and a black or chromatic ink.

Abstract: A liquid supplying device includes a tank; and a cartridge configured to be attached to the tank and having a first storage chamber configured to store liquid. The cartridge is formed with a communicating opening in communication with the first storage chamber. The tank has a second storage chamber configured to store the liquid, a liquid passage, a gas passage, a joint, an outer wall, an inner wall, an air communication portion, and a narrow-width portion. The liquid passage is in communication with the second storage chamber and has a first vertical portion. The gas passage has a second vertical portion. The first vertical portion, the second vertical portion, and the air communication portion are arranged in this order in the first direction and a direction away from the fifth end portion.