Abstract: A print component integrated circuitry package includes a number of temperature sensors where each of the plurality of the temperature sensors is disposed in a corresponding temperature region of an integrated circuitry. In an example, an analog sense bus conductively connects to all of the plurality of temperature sensors and an external sensor pad that is to connect to a corresponding print controller contact.

Abstract: An inkjet recording apparatus includes a recording head having a plurality of nozzles for ejecting ink, an endless conveying belt conveying a recording medium and having a plurality of openings through which ink is passed when the recording head performs flushing, a reading sensor for reading, in a first reading mode, information on openings in the conveying belt and, in a second reading mode, information on the recording medium on the conveying belt, an ejection control portion for controlling ejection of the ink from the recording head based on at least one of the information on the openings and the information on the recording medium, and a reading mode switching control portion for switching the reading mode of the reading sensor between the first and second reading modes.

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 droplet deposition head including a datum surface arrangement for alignment of the head relative to an external mounting component in either a vertical mounting mode in which the head is held against a vertical mounting plate or a horizontal mounting mode where the head is held against a horizontal mounting plate. The datum surface arrangement comprising at least seven datum surfaces (x1; y1, y2, y3; z1, z2, z3) provided on the head, wherein five of the seven datum surfaces are provided for alignment in both vertical and horizontal mounting modes, and wherein a sixth datum surface (z3) is provided for alignment exclusively in said horizontal mounting mode and a seventh datum surface (y3) is provided for alignment exclusively in said vertical mounting mode.

Abstract: A fluidic die may include an array of fluid actuators, an actuation data register to store actuation data that indicates each fluid actuator to actuate for a set of actuation events, a mask register to store mask data that indicates a set of fluid actuators of the array enabled for actuation for a respective actuation event of the set of actuation events, a pattern select register to store a pattern selection, input mask data generation circuitry to build a set of mask data with subsets of mask data, each of the subsets having a pattern based upon a pattern selection input, and to populate the mask register with the set of mask data, and actuation logic to electrically actuate a subset of the fluid actuators based at least in part on the actuation data register and the mask register for the respective actuation event.

Abstract: The present disclosure relates to the field of printers, and in particular to a reman ink cartridge, a reman chip, a printer system communication method, and an ink cartridge regeneration method. The reman ink cartridge is used for solving the technical problem that ink cartridges of different series cannot be recycled in the prior art, comprises an ink cartridge body provided with an original chip corresponding to a printer of a first model, and the reman chip and is characterized in that the structure of the ink cartridge body is matched with that of a printer of a second model, the reman chip is electrically connected with the original chip, makes the reman ink cartridge be matched with the printer of the second model, and at least makes the reman ink cartridge communicate with the printer of the second model.

Abstract: A liquid discharge apparatus includes a head array including heads each having nozzles to discharge liquid onto a recording medium, arranged as a nozzle line in a sub-scanning direction; a moving part to move the head array alternately in the scanning direction and in the sub-scanning direction perpendicular to each other while discharging or not discharging the liquid; and a controller including a memory and a processor. The processor adjusts image data for juncture areas of two heads adjacent to each other in the sub-scanning direction; and drives the head array to discharge the liquid from the nozzles while the moving part moves the head array. The adjusting adjusts the image data such that the image data is thinned to make print rates for the juncture areas smaller at ends of the nozzle lines, and the print rates vary among the juncture areas.

Abstract: An inkjet printing apparatus is provided capable of attaching and detaching of a print head with a mechanism that is easily operable and simple, while preventing an erroneous operation. For the purpose, it is configured so that the press/release for the print head is possible along with movement of the joint member. Further, when the joint member is connected, the connection of the joint member is performed after pressing the print head, and when the connection of the joint member is released, the pressure on the print head is released after releasing the connection of the joint member.

Abstract: A method of minimizing condensation on a lower surface of an inkjet printhead. The inkjet printhead has a plurality of printhead chips mounted on a manifold and a shield plate defining the lower surface. The method includes the steps of: disposing a heating layer between the manifold and the shield plate; heating the heating layer; and printing using the printhead chips, wherein heating of the heating layer minimizes condensation on the lower surface.

Abstract: A printing apparatus includes a support plane to support at least a print support; at least two printing groups aligned along a longitudinal axis, and each provided with at least a printing head; a support structure provided to support said printing groups above said support plane, at least a moving device to move said printing groups towards/away with respect to said support plane, at least two containment devices each associated with respective positioning means, and configured to collect printing liquid form said printing heads.

Abstract: An ink-jet recording apparatus, including: a recording head including a first nozzle communicating with a first chamber storing a first ink and a second nozzle communicating with a second chamber storing a second ink whose viscosity change rate differs from the first ink; and a controller configured to determine a drive voltage to be a first voltage and determine voltage application timings for the respective first and second nozzles to be a first timing when estimated viscosity of the first ink is lower than a first viscosity and to determine the drive voltage to be a second voltage higher than the first voltage, determine the voltage application timing for the first nozzle to be the first timing, and determine the voltage application timing for the second nozzle to be a second timing different from the first timing when the estimated viscosity is equal to or higher than the first viscosity.

Abstract: A ink jet recording method, which uses an ink jet recording apparatus including: first and second inks each containing a coloring material; and a recording head having an ejection orifice surface in which a first ejection orifice array for ejecting the first ink and a second ejection orifice array for ejecting the second ink are formed, the first and second ejection orifice arrays being sequentially arranged from the bottom in the direction of gravity to be adjacent to each other and at least partially overlap each other, includes recording, wherein at least one of the first and second inks contains a resin, and a content of the resin in the second ink is smaller than a content of the resin in the first ink.

Abstract: Devices and methods are provided for ejecting a droplet from a reservoir using focused acoustic radiation having a plurality of nonsimultaneous and discrete frequency ranges. Such frequency ranges may be used to control droplet volume and/or velocity. Optionally, satellite fluid ejection from the reservoir is suppressed.

Abstract: In one example in accordance with the present disclosure a printhead is described. The printhead includes a number of nozzles to deposit an amount of fluid onto a print medium and an ink delivery system to deliver the amount of fluid from an ink tank to the number of nozzles. The printhead also includes an attachment feature to removably couple a removable printhead cover to the printhead. The printhead further includes a removable printhead cover removably coupled to the printhead at the attachment feature.

Abstract: A piezoelectric print head includes a first discharge section, a second discharge section, a third discharge section, a first switch, a second, and a third switch. The second discharge section is located between the first discharge section and the third discharge section, the first switch and the third switch are switched in accordance with a print signal in synchronization with a first clock, the second switch is switched in accordance with a print signal in synchronization with a second clock, in a first period, the print signal synchronized with the second clock is transferred and the print signal synchronized with the first clock is not transferred, and in a second period, the print signal synchronized with the second clock is not transferred and the print signal synchronized with the first clock is transferred.

Abstract: A printing method includes printing an image on a sheet with a printhead, detecting an edge of the printed image in a widthwise direction of the sheet, and performing borderless printing, based on the detection result, to make a margin amount in the widthwise direction become not more than a predetermined value so as to prevent the image from being formed outside of the sheet in the widthwise direction.

Abstract: There is provided a liquid ejection apparatus configured to circulate ink between an ink tank and an ejection head, the liquid ejection apparatus being capable of suppressing degradation of an ejection performance with a simple, inexpensive, and compact configuration. For this purpose, the liquid ejection apparatus measures impedance of the ink, and supplies, based on this measurement result, an adjusting liquid to a circulating ink.

Abstract: In some examples, a printer determines a difference between an enlarged calibration pattern portion printed on a substrate by a first portion of a nozzle array of the printer and an enlarged reference pattern portion printed on the substrate by a second portion of the nozzle array, the enlarged calibration pattern portion produced by printing respective smaller calibration pattern portions at corresponding different relative positions between the nozzle array and the substrate, and the enlarged reference pattern portion produced by printing respective smaller reference pattern portions at corresponding different relative positions between the nozzle array and the substrate. The printer adjusts at least one drive signal to at least one of the first portion of the nozzle array and the second portion of the nozzle array to compensate for the determined difference.

Abstract: An inkjet printhead includes: a rigid elongate manifold having ink supply channels extending along its length and a plurality of ink outlets defined therein; a shim attached to the manifold, the shim having a plurality of shim apertures for receiving ink from the ink outlets; and a plurality of printhead chips adhesively bonded directly to the shim, each printhead chip receiving ink from one or more of the ink outlets. The the shim is formed of a metal alloy having a CTE of 5 ppm/° C. or less.

Abstract: A supporting member includes a first supporting portion disposed on a first and second recording element substrate side, and a second supporting portion disposed on a side opposite to the first and second recording element substrate side with respect to the first supporting portion, the first supporting portion includes a first individual flow path for supplying liquid to a first recording element substrate, and a second individual flow path for supplying liquid to a second recording element substrate, and the second supporting portion includes a common flow path for supplying liquid to the first and second individual flow paths.

Abstract: An inkjet printhead includes an elongate fluid manifold having a base which includes a truss structure. The truss structure has webs extending between opposite chords, wherein a plurality of openings between the webs and the chords define fluid outlets. One or more printhead chips are attached to the webs of the truss structure with each printhead chip receiving printing fluid from a plurality of the fluid outlets.

Abstract: An element substrate, comprises: a plurality of printing elements configured to discharge liquid; a plurality of first driving elements disposed in correspondence with the plurality of printing elements and configured to drive the plurality of printing elements; a plurality of heating elements configured to heat the element substrate; a plurality of second driving elements disposed in correspondence with the plurality of heating elements and configured to drive the plurality of heating elements; and a delay unit that delays timing of driving the plurality of second driving elements to drive the plurality of second driving elements at a predetermined time difference when driving the plurality of second driving elements simultaneously.

Abstract: A liquid discharge device performs recording by use of a liquid discharge head including discharge ports to discharge a liquid, pressure generation elements to generate energy to be used to discharge the liquid, and pressure chambers communicating with the discharge ports. The liquid discharge device includes a control unit to control a temperature of the liquid discharge head by applying heat with heating elements arranged in divided areas of a region of the liquid discharge head where the discharge ports are arranged. When there is recording data for the discharge port in a certain one of the divided areas, the control unit causes the heating element in the divided area to generate heat, and when there is no recording data for the discharge port in the certain divided area, the control unit keeps the heating element in the certain divided area from generating heat.

Abstract: According to one example, a method may include determining a desired pattern of fluid to be applied to a substrate, controlling a first array of fluid applicators to apply fluid to the substrate to form a first portion of the pattern, in which an applicator of the first array of fluid applicators spans a section of the substrate that includes portions of the substrate both in and out of the pattern. The method may also include controlling the first array of fluid applicators to cause the applicator to not apply fluid to the section of the substrate and controlling a second fluid applicator to apply fluid to the section of the substrate, the second fluid applicator being separately movable from the first array of fluid applicators.

Abstract: An image processing apparatus for a printing apparatus. The image processing apparatus includes a recording position acquiring device for acquiring recording positions of a reference image printed by a reference print head and a target image printed by a target print head, a positional deviation amount calculating device for calculating a deviation amount due to a skew with respect to the recording positions of the reference image and the target image, and a positional deviation interpolation image converting device, when there is a remainder of the deviation amount and the predetermined intervals, for adding a weight based on the remainder, and adding a smaller weight than the weight to the reference image or the target image without a remainder and adjoining the reference image or the target image with the remainder, thereby converting the image into a width direction positional deviation interpolation image.

Abstract: A print bar for a for a multi-pass printer, the print bar comprising a static part configured to extend across a print area of a print target and a moveable part comprising a print bar beam and printer comprising such a print bar.

Abstract: A flow path structure includes: a substrate that includes a first surface and a second surface on a side opposite to the first surface; a supply port formed on the first surface; a plurality of discharge ports formed on the second surface; grooves that are formed on the first surface so as to extend in an X direction and communicate with the supply ports and with the plurality of discharge ports via through-holes formed on the substrate; and a sealing portion that is disposed on the first surface and seals each groove.

Abstract: Embodiments of the invention pertain to methods useful in transfer printing of small objects, like micro-LEDs from one substrate to another using acoustic or ultrasonic energy. The pickup of objects from a substrate is performed by transfer head equipped with sticky polymer and an array of ultrasonic transducers, and the high efficiency and selectivity of pickup of selected objects is done using ultrasonic energy directed towards the object. The disposing of objects to another substrate from a transfer head is done by directing an ultrasonic energy toward an object, which enable effective and selective detachment of an object from a sticky polymer. Yet another embodiment also uses a UV light source, which directs the light to the UV curable liquid disposed around the object on receiving substrate, thus curing this liquid would attach an object to receiving substrate.

Abstract: In one example, a printhead assembly includes a molding with multiple printhead dies exposed at a front part of the molding and channels in a back part of the molding to carry printing fluid to the dies. The printhead assembly also includes a printed circuit board affixed to the back part of the molding, not covering any of the channels, and an electrical connection between each die and the printed circuit board.

Abstract: Printing module comprising an assembly arranged on the front side for mounting a printing head in an inkjet printer, wherein the printing module is arranged at a distance in relation to a depositing device and the assembly has a carrier frame having an opening which extends through the carrier frame and is provided for receiving/releasing the printing head, wherein the assembly has means for mounting the printing head which make it possible to receive the same on the front side in a repair position of the printing module in relation to the depositing device.

Abstract: In some examples, a controller of a printbar or a printhead copies firing instructions assigned, over a first network, to a plurality of shift registers, to a plurality of parallel registers and providing, over a second network, a primitive sequence including a respective firing order of each of a plurality of primitives included in the primitive sequence to the parallel registers.

Abstract: A method of printing is provided where printing is using a first printing unit having redundant nozzles. Then, the method may include stopping the printing with the first printing unit while continuing the printing with active nozzles of a second printing unit. The method may include inspecting the first printing unit and identifying faulty nozzles, then designating the faulty nozzles as inactive and designating inactive nozzles of the first printing unit as a new active nozzle. According to some embodiments the method may include moving the first printing unit to an inspection zone prior to inspecting while continuing the printing with active nozzles of a second printing unit and moving the first printing unit back to the printing zone after inspection and continuing the printing with the first printing unit.

Abstract: A printing method comprises advancing a media to be printed towards a printing unit of a printing device by means of a media advance unit, detecting a position of the media relative to the printing unit, and providing a corresponding position sensor signal, and activating the printing unit to print on a predetermined portion of the media in accordance with the position sensor signal and a timing signal provided by a clock unit.

Abstract: A method of controlling a printer to print a pattern using a number of print head dies, each print head die including a number of nozzle trenches wherein each one of the number of nozzle trenches is associated with a different color, wherein the nozzles of neighboring dies overlap in respective overlap zones, the method comprising applying masks to the nozzles of neighboring dies in the respective overlap zones to distribute, in the overlap zones, the pattern to be printed between the nozzles of the respective neighboring dies, wherein the masks, in the overlap zones, retain the order in which the nozzles of selected nozzle trenches associated with a selected one of the colors are fired.

Abstract: The present disclosure relates to a system for verifying homogeneity in clusters and comprises a processor and a non-transitory computer readable memory storing instructions that are executable by the processor. The system creates at least one adjacency matrix representing a relationship between rows and columns of a table. The system applies an algorithm to the table to identify a first set of clusters. For each identified cluster, the system compares a computed dispersion value to a predetermined threshold. The cluster is associated as being homogeneous if the threshold is not met and not homogeneous if the threshold is met. The system reapplies the algorithm to the set of non-homogenous clusters within the data set and repeats the thresholding processes until each cluster resulting from the data set is homogeneous. Upon reaching the desired homogeneity for each cluster, the system recombines the clusters sequentially while keeping the each identified cluster together.

Abstract: A printer printing an image on a print medium based on print data including print dot data for each of print lines. The printer includes a print head including heating elements arranged along a direction of the print lines, and a controller finding the number of print dots on each print line and determining a first or second control mode as a control mode of the heating elements for printing each print line based on the found number of print dots. In the first control mode, the heating elements are divided into first groups including two or more adjacent heating elements and are heated at a different timing. In the second control mode, the heating elements are divided into second groups including two or more heating elements with at least two thereof spaced apart and are heated at a different timing.

Abstract: In an example, a fluid ejection apparatus includes a printhead die embedded in a printed circuit board. Fluid may flow to the printhead die through a plunge-cut fluid feed slot in the printed circuit board and into the printhead die.

Abstract: Examples relate to providing synchronized look-up table loading. In some examples, a print job is processed using an initial look-up table in processor memory, in response to the processing of the print job reaching a buffer trigger row of a portion of the print job, look-up metadata is accessed to locate a next look-up table. At this stage, the next look-up table is dynamically loaded into the processor memory as the processor continues to process the print job, where the processing of the print job begins using the next look-up table after a target row of the portion of the print job is reached.

Abstract: An image processing apparatus has a determination unit that determines a print operation to be performed and a generation unit that generates quantized data for printing a dot by comparing a threshold value and the multi-valued data. In a case of performing a first print operation, dot arrangement of the multiple types of inks printed on the print medium by the print unit on a basis of pieces of quantized data generated by the generation unit is higher in exclusiveness and dispersibility between or among dots of the multiple types of inks and lower in an overlap rate between or among the dots of the multiple types of inks than dot arrangement of the multiple types of inks printed on the print medium by the print unit on a basis of the pieces of quantized data generated by the generation unit in the case of performing the second print operation.

Abstract: A printing system includes a print bar, a plurality of printheads installed on the print bar and an auxiliary printhead moveable parallel to the print bar. A number of first nozzles of the auxiliary printhead substitute for a number of second nozzles of the printheads during a nozzle servicing operation performed on the second nozzles.

Abstract: An inkjet printhead assembly includes: a support structure having a recess, the recess having a wall defining a plurality of ink supply apertures; and a plurality of print modules received in the recess in a neighboring arrangement. Each print module includes: a printhead chip carrier having a plurality of convergent ink galleries, each ink gallery receiving ink from an ink supply aperture; and a single printhead chip mounted on the printhead chip carrier, the printhead chip receiving ink from the plurality of convergent ink galleries.

Abstract: A printer includes a printbar having plural dice partially overlap in the direction of rows and a halftoner. The dice receive nozzle firing data which determines when and where the individual print nozzles are to be operated in order to emit the colorant onto the media so as to form the desired printed image on a media. The halftoner is a bidirectional error diffusion halftoner that is structured to generate halftoned data. The halftoned data is mappable into the firing data. The halftoner includes a serpentine direction reverser which is structured to halftone print data image pixels in a first serpentine direction to form halftoned data and then to halftone print data image pixels in an opposite serpentine direction to form the halftoned data.

Abstract: A method compensates a failing nozzle of a print head of an inkjet printer. The inkjet printer includes at least one print head, the at least one print head including a plurality of nozzles. A receiving material is moved relatively to the at least one print head.

Abstract: A liquid ejection device includes a liquid ejection head, a supply tank connected to the liquid ejection head via a first flow path, a recovery tank connected to the liquid ejection head via a second flow path, a circulation pump arranged in a third flow path, a pressure pump arranged in a fourth flow path configured to connect the recovery tank and the liquid ejection head to each other, and a control portion configured to switch between liquid ejection operation in which liquid is ejected from the liquid ejection head while the liquid is circulated along the first to third flow paths and pressurizing recovery operation in which the liquid pressurized by the pressure pump is supplied to the liquid ejection head via the fourth flow path.

Abstract: Aspects of direct to systems and methods for controlling LEDs by a backplane or enclosure management controller. A controller has multiple output ports, including M ports connecting to M row control lines and N ports connecting to N column control lines. At least (M*N) LEDs respectively connected to the M row control lines and N column control lines to form a virtual LED matrix. In operation, the controller monitors N storage drives of the system, and determines at least M states for each storage drive. Based on the M states for each storage drive, the controller determines a state of each LED being ON or OFF, and outputs control signals to the at least M row control lines and the at least N column control lines through the output ports based on the state of each LED, such that the LEDs display the states of the storage drives.

Abstract: An article of apparel including a tubular knit textile region is provided, as well as an apparel printing system for printing on regions of the tubular knit textile region and related methods. The article of apparel can include a tubular knit textile region having an internal side and an opposite external side configured to be exposed during use, a plurality of yarns in an arrangement of interlocked loops forming parallel rows and channels therebetween, and a printed ink design on its external side. The printed ink design can be formed from ink applied to the parallel rows of loops and to the channels. An apparel printing system for printing on the article of apparel can include a textile printer having a print head and a tubular platen that includes features on the platen surface to retain and register the tubular knit textile on the platen surface during printing.

Abstract: According to one example there is provided a system for applying fluid to a substrate using a first and second array of fluid applicators.

Abstract: Provided is an image-forming apparatus that limits reductions in image quality such as streaking even when print element discharge failure occurs in the overlap region of short heads that configure a long head. In the overlap region, among multiple overlap areas configured from rows of consecutive print elements that do not comprise print elements that have been specified as discharge failure print elements, the overlap area with the largest number of overlapping print elements is specified. When the number of print elements in said overlap area is greater than a fixed number, an overlap control for gradually changing the discharge apportionment for the fixed number of print elements in each short head is performed. Since the discharge failure of the print element is present in an area in which the short head print apportionment is 100%, the discharge failure is supplemented by, for example, increasing the discharge amounts of the adjacent print elements.

Abstract: A method for printing a digitally-stored image on the surface of a cylindrical object comprises the steps of axially moving the object along a line of travel that is aligned with the object's long axis until it is underneath one or more printheads, each of which have a plurality of ink nozzles that may be arranged in one or more columns while simultaneously rotating the object with respect to the printheads and simultaneously causing a pre-determined number of nozzles to eject ink onto the surface of the object.

Abstract: In an example, a fluid ejection apparatus includes a printhead die embedded in a printed circuit board. Fluid may flow to the printhead die through a plunge-cut fluid feed slot in the printed circuit board and into the printhead die.