Abstract: A fluid ejection die includes a fluid slot, laterally adjacent fluid ejection chambers each communicated with the fluid slot and having respective drop ejecting elements therein, and orifices each communicated with a respective one of the laterally adjacent fluid ejection chambers. The laterally adjacent fluid ejection chambers are spaced substantially a same distance from the fluid slot along a same side of the fluid slot, and the orifices communicated with the laterally adjacent fluid ejection chambers are spaced different distances from the fluid slot.

Abstract: A liquid supply device includes a liquid discharge head, a main tank, a first sub-tank, a second sub-tank, a first channel, a degassing device, and a second channel. The liquid discharge head is configured to discharge liquid. The main tank is configured to store liquid to be supplied to the liquid discharge head. The first sub-tank is configured to store gas and liquid and connected to the main tank and the liquid discharge head. The second sub-tank is configured to store gas and liquid and connected to the first sub-tank and the liquid discharge head. The first channel connects between the main tank and the first sub-tank. The degassing device is configured to degas liquid in the first channel. The second channel connects between the second sub-tank and the first channel.

Abstract: A color measurement method for measuring a color printed by a printing apparatus, a color adjustment method and a printing system are provided. The color measurement method includes: a color measuring step of measuring the color printed by the printing apparatus with an XYZ sensor, which is a colorimeter; and a correcting step of correcting an output value output by the XYZ sensor in the color measuring step. In the correcting step, the output value is corrected using: a correction table in which a correction amount is associated with each position of a color space in an Lab color system, the correction table being prepared in advance for a plurality of XYZ sensors, and a correction factor used to adjust the correction amount in the correction table, the correction factor being individually prepared with respect to the XYZ sensor used in the color measuring step.

Abstract: Provided is an inkjet printing apparatus including: a print head configured to eject a metallic ink containing silver particles; a carriage configured to scan the print head; and a control unit configured to print a metallic image by causing the print head to eject the metallic ink while scanning the print head; a reduction unit configured to control ink ejection from the print head so as to reduce coloring of a metallic dot formed by ejecting the metallic ink; and a setting unit capable of setting a plurality of printing modes including a first printing mode in which the reduction unit controls the ink ejection from the print head to reduce the coloring to a first degree, and a second printing mode in which the reduction unit controls the ink ejection from the print head to reduce the coloring to a second degree lower than the first degree.

Abstract: The present invention relates to an ink-jet printing method using an apparatus including a printing means for ejecting a black ink to a printing substrate to print characters or images on the printing substrate, and a drying means disposed on a downstream side of a transportation direction of the printing substrate, in which the printing substrate is a label printing substrate; the black ink is a water-based composite black ink; the water-based composite black ink contains a composite black pigment containing carbon black, and a content of the carbon black in the composite black pigment is not more than 25% by mass; and the drying means is an infrared heater for heating the water-based composite black ink ejected onto the printing substrate to a temperature of not lower than 95° C. and not higher than 125° C.

Abstract: In a layer including print elements and a layer below the layer including the print elements in a lamination direction of a print element substrate, the print elements and drive circuits are arranged point-symmetrically about the center of the substrate viewed from a side where discharge ports that allow the liquid to be discharged are open, and in an upper layer over the layer including the print elements in the lamination direction, functional elements are arranged in a direction of liquid flow in which the liquid flows from supply ports to collection ports while passing above the print elements.

Abstract: Embodiments of a method of printing low volumes of paper bags on a digital printing press are provided. In the method, a plurality of orders are received. Each order includes a particular format relating to a bag size selected from a predetermined number of bag sizes and a graphic to be printed. In the method, the plurality of orders are organized into a plurality of batches. Each batch includes orders of the plurality of orders having a same bag size. A first batch is selected, and the graphic of the orders contained in the first batch is digitally printed on a first roll of paper having dimensions associated with the bag size of the first batch. The first roll of paper is fed through the digital printing press, and the digital printing press prints the graphic of each order contained in the first batch without stopping when transitioning between orders.

Abstract: A liquid ejection head includes: a plurality of individual passages each having a nozzle; a first supply liquid passage communicating with a first inlet of each of the plurality of individual passages; a second supply liquid passage communicating with a second inlet of each of the plurality of individual passages; a first return liquid passage communicating with a first outlet of each of the plurality of individual passages; and a second return liquid passage communicating with a second outlet of each of the plurality of individual passages.

Abstract: An example inkjet primer fluid includes an alkoxysilane, a surfactant, a co-solvent, and a balance of water; and is at least substantially colorless. In an example method, a primer fluid, including an alkoxysilane, a surfactant, a co-solvent, and a balance of water, is thermal inkjet printed from a thermal inkjet printhead to form a silicon dioxide film on a resistor. Then, a jettable composition, including suspended nanoparticles, is thermal inkjet printed from the thermal inkjet printhead. In another example method, suspended nanoparticles, an alkoxysilane, and a growth mediator are combined to form a mixture. The mixture is heated to a temperature ranging from about 60° C. to about 80° C. and stirred for about 12 hours to about 36 hours to form silicon dioxide coated, suspended nanoparticles. Then, a surfactant, a zwitterionic stabilizer, a co-solvent, and a balance of water are added to the mixture to form a stabilized, jettable composition.

Abstract: An ink set for ink jet recording that adheres ink to a heated recording medium includes first and second water-based ink compositions. The first water-based ink composition contains a first solid content including a first coloring material and a first organic solvent. The second water-based ink composition contains a second solid content including a second coloring material and a second organic solvent. The first ink composition contains 5% by mass or more of the first solid content than the second solid content contained in the second ink composition. The second ink composition contains 7% by mass or more of the second organic solvent than the first organic solvent contained in the first ink composition.

Abstract: An actuator drive circuit for a liquid discharge apparatus includes an output switch and a waveform selector circuit. The output switch includes a first transistor configured to supply a first voltage to an actuator when on and a second transistor configured to supply a second voltage higher than the first voltage to the actuator when on. The waveform selector circuit is configured to select, from a plurality of waveforms stored in a waveform memory, a first waveform that causes the output switch to transition to a first state in which the first transistor is on and the second transistor is off, and a second waveform that causes the output switch to transition to a second state in which the first transistor is off and the second transistor is on.

Abstract: An optical sensor includes a first light emitting diode (LED), a second LED, a first photodiode (PD), and a second PD. The first LED and the second LED are configured to irradiate an optical-axis center point of an intermediate transfer belt. The first PD is arranged at a position at which specularly reflected light of light emitted from the first LED and diffused reflected light of light emitted from the second LED are received. The second PD is arranged at a position at which diffused reflected light of the light emitted from the first LED is received.

Abstract: A paper for inkjet printing may have one side that is provided with an inkjet receiver coating. The inkjet receiver coating may comprise at least pigment and binder. A portion of free or unbound pigment may be less than 10 weight percent of the total amount of pigment in the inkjet receiver coating and/or the inkjet receiver coating may have a surface that is substantially free of pigment.

Abstract: a part of a first head is positioned in the second part, a part of a second head is positioned in the third part, a part of a third head is positioned in the fifth part, a part of a fourth head is positioned in the sixth part, and a first color is cyan and a third color is magenta.

Abstract: An inkjet printer is described. The inkjet printer has a substrate holder assembly that includes a base member having a long axis in a first direction and a short axis in a second direction perpendicular to the first direction; a contact member coupled to the base member, the contact member having a long axis in the first direction and a short axis in the second direction; a holder carriage coupled to the base member; a linear extender coupled between the base member and the contact member and extending in a third direction intersecting with the first direction and the second direction from the base member toward the contact member; and a flex member coupled to the base member, extending in the second direction between the linear extender and the contact member, and having a flex direction in a direction perpendicular to the first direction and the second direction.

Abstract: An inkjet recording apparatus includes an ink tank, a recording head, an ink sensor, a monitor, an operation panel, and a controller configured to control operation thereof. The controller receives a completion signal indicating completion of ink injection, and receives a first signal or a second signal from the ink sensor based on whether a predetermined amount of ink is sensed in the ink chamber. Based on the completion signal and receipt of the first signal, inquiry information is displayed on the monitor regarding whether ink injection into the ink chamber is completed. Based on the completion signal and receipt of the second signal, a notification is displayed on the monitor that is based on the ink sensor not sensing the predetermined amount of ink.

Abstract: To provide a photocurable inkjet primer ink composition having a low viscosity, which is capable of forming a primer layer which exhibits excellent adhesion to a non-absorptive substrate material and has low tackiness, an inkjet ink set, and an inkjet recording method. A photocurable inkjet primer ink composition comprising: a photopolymerizable compound and a photopolymerization initiator, the composition having a viscosity at 25° C. of 5.0 to 10.0 mPa·s; wherein the photopolymerizable compound is composed of a monofunctional ethylenically unsaturated monomer and a bifunctional ethylenically unsaturated oligomer; wherein a content of the monofunctional ethylenically unsaturated monomer is 76.0 parts by weight or more per 100 parts by weight of the whole composition; and wherein a homopolymer of the monofunctional ethylenically unsaturated monomer has a glass transition temperature of lower than 25° C.

Abstract: A liquid discharging head, having individual flow paths, a first manifold, a second manifold, a third manifold, a connecting flow path, and a bypass, is provided. The first manifold extends in a first direction and is provided commonly to the individual flow paths. The second manifold and the third manifold are located on one side and the other side of the first manifold in a second direction. The second manifold and the third manifold are provided commonly to a part of the individual flow path and another part of the individual flow path, respectively. The connecting flow path partly overlaps the first manifold in a vertical direction and connects one end of the second manifold and one end of the third manifold on one side in a third direction. The bypass extends in the vertical direction and connects the first manifold and the connecting flow path.

Abstract: A digital dispense device and method for ejecting one or more fluids into a target area of a substrate. The digital dispense device includes (A) a fluid ejection head for the digital dispense device having one or more arrays of fluid ejectors thereon; (B) a fluid ejection head translation device for moving the ejection head over the target area of the substrate in a first direction, wherein the one or more arrays of fluid ejectors on the fluid ejection head are oriented parallel to the first direction; and (C) a control device for activating one or more fluid ejectors in the one or more arrays of fluid ejectors as the one or more fluid ejectors intersect the target area of the substrate.

Abstract: Embodiments of the disclosed subject matter provide a micronozzle array including a linear array having a plurality of depositors connected in series, where a first depositor of the plurality of depositors may border a second depositor on a least one side boundary. The micronozzle array may include plurality of orifice arrays, where a width of each orifice in the plurality of orifice arrays is 20 ?m or less in a minor axis of its cross section to flow, to regulate flow through a delivery gas distribution channel. The micronozzle array may include a plurality of exhaust distribution channels, where the delivery gas distribution channel and at least one of the plurality of exhaust distribution channels have separate fluid communication with each of the plurality of depositors.