Abstract: A printing device 1 includes a setting section 2 that sets a roll-shaped print medium P, a winding section 5 that winds up the print medium P, a print head 3 that forms an image by ejecting ink onto an image forming surface P1 of the print medium P, and a drying oven 10 that is disposed downstream of the print head 3 in the transport direction and that is for drying ink that was ejected onto the print medium P, wherein the drying oven 10 includes a heating section 11 for heating the print medium P and the heating section 11 is configured such that the heating temperature at the inlet side of the drying oven 10 in the transport direction A is higher than the heating temperature at the outlet side of the drying oven 10 in the transport direction.

Abstract: A liquid ejecting head includes a pressure chamber substrate having a pressure chamber, a drive element, a communication substrate having a supply communication flow path and a nozzle communication flow path at a position different from the supply communication flow path, and a coupling substrate having a supply port and the supply communication flow path and a discharge port, in which the pressure chamber substrate has a partition wall, and the communication substrate includes a first region bonded to the coupling substrate and overlapping the pressure chamber between the supply communication flow path and the nozzle communication flow path when viewed in a thickness direction, and a second region bonded to the coupling substrate and overlapping the partition wall at a position adjacent to the first region via an opening of the supply communication flow path when viewed in the thickness direction of the pressure chamber substrate.

Abstract: Provided is an aqueous inkjet ink, including: a colorant; a water-soluble organic solvent; a surfactant; and water, wherein the water-soluble organic solvent includes a diol having 2 to 5 carbon atoms, and a hexylene glycol, and the surfactant includes an acetylenediol having an HLB value of 10 or less.

Abstract: An inkjet recording apparatus includes a recording unit, an acquisition unit, a scanning unit, and a control unit. In the recording unit, a plurality of nozzles to which ink is supplied from a common liquid chamber is arranged in a first direction. The acquisition unit is configured to acquire image data. The scanning unit is configured to perform relative scanning with a recording medium in a second direction intersecting the first direction. The control unit is configured to control ink ejection operation of the recording unit. In a predetermined one time of relative scanning, the control unit uses a first nozzle, and does not use a second nozzle adjacent to the first nozzle in the first direction, for edge areas of a barcode including a plurality of bars in which a length in the first direction is longer than a length in the second direction.

Abstract: A medium transport device includes a medium mounting portion, a feeding roller configured to feed a first medium, a separation roller configured to separate the first medium and a second medium, a transport roller pair configured to transport the first medium sent from the feeding roller, and a driving mechanism configured to drive the separation roller. The driving mechanism causes the separation roller to rotate in a second rotational direction and applies a rotational load having a first load value to rotation of the separation roller in a first rotational direction, and switches, after a leading edge of the first medium passes through the transport roller pair and before a trailing edge of the first medium passes through between the feeding roller and the separation roller, a rotational load applied to the separation roller to a second load value that is lower than the first load value.

Abstract: An ink jet textile printing method of textile printing on a fabric includes mounting and supporting the fabric on an endless belt having an adhesive layer, and adhering an ink containing a pigment, resin particles, and water by an ink jet method. The fabric is a fabric composed of hydrophobic fibers, and the fabric is a fabric treated with a cationic polymer.

Abstract: A printing control method includes, in a case where a print head is inclined from a state parallel to a first direction toward a second direction, and a non-printable area on which printing cannot be performed is created, generating, based on an amount of displacement of the print head toward the second direction and an area on which printing is performed in a case where the print head is not inclined toward the second direction, corrected print data according to the amount of displacement. The print head performs printing on a printing target, and the second direction intersects with the first direction.

Abstract: A flow path switching unit includes a rotary valve configured to rotate, a housing including a contact surface with which the rotary valve comes into contact, and a pressing member configured to press the rotary valve against the contact surface. The housing includes a first flow path that opens to the contact surface, a second flow path that opens to the contact surface, and a third flow path that opens to the contact surface. The rotary valve includes an elastic portion configured to come into contact with the contact surface and including a recessed portion facing the contact surface. The rotary valve is configured to switch between a state in which the recessed portion faces the first flow path and the second flow path, and a state in which the recessed portion faces the first flow path and the third flow path by rotation of the rotary valve.

Abstract: A printer provided with a storing space for a paper roll having a core hole in the center includes a paper roll holder having a protrusion adapted to fit into the core hole of the paper roll. The paper roll holder is switchable between a protruded state that the protrusion protrudes into the storing space and a retracted state that the protrusion retracts from the storing space. The printer further includes a stopper adapted to engage with the paper roll holder while the paper roll holder is in the protruded state to prevent the protrusion from turning to a predetermined direction. The paper roll holder moves when pushed by the paper roll that is being set into the storing space. Movement of the paper roll holder releases the engagement with the stopper to allow the protrusion to turn to the predetermined direction.

Abstract: According to one embodiment, a printer device includes regulating members provided in a conveyance path of paper or an accommodation unit of the paper, and regulating side edges of the paper in a width direction and having a variable regulating width, a detection unit configured to detect a paper width of the paper based on the regulating width of the regulating members, and a processor. The processor is configured to store the paper width detected by the detection unit in a storage unit, control printing of the paper in the width direction based on the paper width stored in the storage unit, and update the paper width stored in the storage unit according to a variation in the paper width if the paper width newly detected by the detection unit is varied from the paper width stored in the storage unit.

Abstract: An active energy ray-curable inkjet printing ink composition satisfies requirements A to E below is provided: (A) the content of amine-modified oligomer is 1.0 to 20.0% by mass; (B) alkoxy group-containing (meth)acrylate monomers are contained by 2.0 to 20.0% by mass; (C) (meth)acrylate monomers having an alkyl group with 6 to 20 carbon atoms is contained by 2.0 to 25.0% by mass; (D) at least one type selected from the group that consists of 1,6-hexanediol diacrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, 1,10-decanediol diacrylate, propoxylated(2)neopentyl glycol diacrylate, and hydroxypivalic acid neopentyl glycol diacrylate is contained by 30.0 to 60.0% by mass; (E) as photopolymerization initiators, ethoxy(2,4,6-trimethylbenzoyl)phenylphosphine oxide is contained by 3.0 to 15.0% by, and oligo(2-hydroxy-2-methyl-1-(4-(1-methylvinyl)phenyl)propanone) and/or 2-hydroxy-1-{4-[4-(2-hydroxy-2-methylpropionyl)phenoxy]phenyl}-2-methylpropanone is/are contained by 2.0 to 10.

Abstract: An inkjet printer includes: an inkjet head having a nozzle row in which nozzles configured to eject ink are arranged, the inkjet head being configured to perform printing by ejecting ink from the nozzles in a state where a row direction of the nozzles in the nozzle row is a non-horizontal direction; an ink tank configured to receive a pressure for delivering ink to the inkjet head or for recovering ink from the inkjet head; and an ink path connecting the ink tank with the inkjet head. The printing is performed in a state where a parameter related to a flow path resistance of the ink path is set such that a nozzle pressure of each of the nozzles at a time of printing is within a prescribed range enabling ink to be stably ejected and ink flows at a flow rate required for the inkjet head.

Abstract: An image forming device includes a first discharging device configured to discharge a first active energy curing composition (1) containing a first (meth)acrylic amide compound (A) having a (meth)acrylic group and a first polymerization initiator (C) to a medium, a first exposing device configured to expose the first active energy curing composition (1) applied to the medium to first active energy, and a second discharging device configured to discharge an ink (2) containing a coloring material, a water-soluble organic solvent, and water to the first active energy curing composition (1) exposed to the first active energy.

Abstract: Apparatus, methods, and systems for dynamically modulating radiation energy in a printing system are disclosed. A system receives data comprising an image pattern for depositing ink on a substrate. The system determines one or more ink properties for the ink configured to be deposited onto the substrate. The ink properties and/or a color of the substrate are used to determine a corresponding energy level value for a radiation lamp. The ink is deposited in the image pattern on the substrate. One or more radiation lamps heat the substrate and the ink, wherein the radiation lamps are configured with the corresponding energy level values.

Abstract: A piezoelectric device includes: a substrate having a plurality of recesses; a vibration plate provided on one side of the substrate; and a piezoelectric actuator including layers of first electrodes, a piezoelectric layer, and a second electrode provided in this order on the vibration plate side, and the piezoelectric actuator has a plurality of active portions including the first electrode, the second electrode, and the piezoelectric layer held between the first electrode and the second electrode, the first electrode serves as an individual electrode individually provided for each active portion, the second electrode serves as a common electrode shared by the plurality of active portions, and the second electrode includes a first end portion serving as a reference and a protruding portion protruding from an end portion of the active portion beyond the first end portion toward a coupling electrode electrically coupled to the first electrode.

Abstract: A recording device includes a recording head, a carriage performing a reciprocating movement, a transport unit transporting the medium, and a control unit, wherein the control unit can perform a forward pass for causing the recording head to discharge the liquid along with a forward movement from one side to another side, and a return pass for causing the recording head to discharge the liquid along with a return movement from the other side to the one side, and performs first recording control when recording an image, in which when a feed amount on the one side of the medium is less than a feed amount on the other side, the image is recorded by the forward pass, and when the feed amount on the other side of the medium is less than the feed amount on the one side, the image is recorded by the return pass.

Abstract: A head chip, a liquid jet head, and a liquid jet recording device each capable of achieving a reduction in size and an increase in nozzle density are provided.

Abstract: Disclosed is a liquid storage container comprising: a liquid reservoir reserving a liquid; an air communication passage for communicating the liquid reservoir with an atmosphere; a partition wall separating an inside and outside of the liquid reservoir; a through hole penetrating the partition wall in a first direction; a movable support member capable of moving in the through hole in the first direction; a first seal member disposed in the liquid reservoir and fixed to the movable support member; and a biasing member biasing the movable support member to locate the first seal member at a closing position to close the air communication passage, wherein the movable support member has receiving part receiving an external force to move the first seal member from the closing position so that the inside of the liquid reservoir part communicates with the outside of the liquid reservoir via the air communication passage.

Abstract: A system (20) and method for printing on clear polymeric film web (24) are disclosed. A first stationary inkjet print unit (44, 60, 70, 82) has first ejection nozzles that span a width of the clear polymeric film web and a second stationary inkjet print unit (44, 60, 70, 82) has second ejection nozzles that span the width of the clear polymeric film web. A web transport conveys the clear polymeric film web past the stationary inkjet print units. First and second print controllers operate the first and second and stationary inkjet print units to deposit drops of a first and a second material on the clear polymeric film web at a first and a second resolution, respectively. In addition, dimensions and position of a page element to be printed on the clear polymeric film web are adjusted to compensate for distortion that may occur to the printed page element due to shrinking of the clear polymeric film web.

Abstract: A light emitting device 401 includes a silicon substrate and a light emitting region including a lower electrode, a light emitting layer, and an upper electrode, and an exposure head is provided with a printed board on which light emitting devices 401 are arranged in a staggered form and a circuit portion 602 for controlling, on the basis of image data, a voltage of each of electrodes included in the lower electrode so that the light emitting device layer emits light and is for forming an image with a resolution corresponding to an arrangement interval of the lower electrode with respect to a crossing direction, and the circuit portion 602 is disposed together with the light emitting region on the silicon substrate. Costs on wire bonding and an area of a wiring board can be suppressed.