Abstract: A recording apparatus 101 includes a carriage 21 mounted with a liquid storage portion 46 and a recording head 22, the carriage 21 being movable to a visual check position, where liquid in the liquid storage portion 46 is visually checkable through a front surface 43F, and to a recording position, where the recording head 22 ejects the liquid to a medium, and light emitting units 81 and capable of illuminating the inside of the liquid storage portion 46 at least when the carriage 21 is positioned at the visual check position.

Abstract: A liquid ejection apparatus is provided that includes a plurality of liquid ejection head units that are configured to eject liquid onto a conveyed object being conveyed; a detection unit that is provided with respect to each liquid ejection head unit of the plurality of liquid ejection head units and is configured to output a detection result indicating at least one of a position, a moving speed, and an amount of movement of the conveyed object with respect to a conveying direction of the conveyed object; and a control unit configured to control each liquid ejection head unit among the plurality of liquid ejection head units to eject liquid at a timing based on a plurality of the detection results of a plurality of the detection units.

Abstract: An object of the present disclosure is to narrow the width of an electric wiring substrate and downsize a printing head. An aspect of the present disclosure provides an inkjet printing apparatus, including: a printing head including a plurality of nozzles ejecting ink and a piezoelectric element corresponding to each of the plurality of the nozzles; a control unit configured to control printing by the printing head; a signal generation unit configured to generate a driving signal to drive the piezoelectric element; a selection unit configured to select for each nozzle one type of the driving signal out of a plurality of types of the driving signals generated by the signal generation unit; and a plurality of wiring lines having different wiring widths from each other to communicate the plurality of types of the driving signals supplied to the selection unit from the signal generation unit.

Abstract: A liquid discharging apparatus includes: a channel unit having a nozzle and an individual channel; an actuator applying pressure to liquid in the individual channel to discharge the liquid from the nozzle; a driving circuit electrically connected to the actuator and supplying driving signal to the actuator; and a controller. In a case of determining that a single-sided recording is to be executed, the controller supplies the driving signal corresponding to each of gradation values for each of pixels when discharging the liquid toward one of a first surface and a second surface of a recording medium; in a case of determining that the double-sided recording is to be executed, the controller supplies the driving signal corresponding to each of the gradation values for each of the pixels when discharging the liquid toward the first surface and when discharging the liquid toward the second surface.

Abstract: A recording apparatus includes a liquid ejection unit that moves in a first direction relative to a medium and eject liquid, and a control unit that controls the liquid ejection unit. The liquid ejection unit includes a plurality of nozzles arranged in a direction different from the first direction and configured to eject the liquid, the control unit forms, by using a first nozzle of the nozzles, a first pattern with a first length in the first direction, the control unit forms, by using two or more nozzles different from the first nozzle, a second pattern including an image arrangement in which images are arranged so as to be displaced in a step-like manner in the first direction and a second direction different from the first direction, a region on the medium where the second pattern is formed has a second length in the first direction, and the first length is greater than the second length.

Abstract: A liquid discharge apparatus includes a discharge head including a discharge surface formed with a plurality of discharge openings from which a liquid is discharged, a cap configured to be detachably attached to the discharge head and form a holding space for a cleaning liquid such that the cleaning liquid contacts the discharge surface, a supply portion configured to connect to the cap and to supply the cleaning liquid to the holding space, and an outlet portion configured to connect to the cap and to drain the cleaning liquid from the holding space. The supply portion is formed at a position facing the discharge surface. The outlet portion is formed at a position outside the supply portion in an inside-outside direction of the discharge surface.

Abstract: A docking station (1) is for an electronic hand stamp having an inkjet printhead. The docking station (1) includes a body (2) having a rest surface (4) for receiving a substantially flat bottom side of an electronic hand stamp and a border (5) at least partially framing the rest surface (4). The docking station (1) also includes at least one wiper element (3) connected to the body (2) and that projects on one side from the body (2). The wiper element (3) includes a wiper blade (17) for manually sweeping across an inkjet printhead.

Abstract: A drive waveform determination method for determining a drive waveform being a waveform of a drive pulse to be applied to a drive element to discharge liquid from a liquid discharge head, the method including: a first step of notifying a user of first information for the user to determine whether to use a first determination method of determining the drive waveform based on a user operation or a second determination method of determining the drive waveform without any user operation; and a second step of determining the drive waveform in accordance with the first determination method or the second determination method determined by the user based on an instruction on the first information.

Abstract: A method for producing a printed textile item, the method including applying a treatment liquid containing an aggregating agent to a fabric using an inkjet method, applying a white ink having a charge density of at least 30 ?eq/g, using a step of using an inkjet method and a wet-on-wet method, to the fabric to which the treatment liquid has been applied, applying a color ink for which the Young's modulus of the dried coating film is not more than 3.0 MPa, using an inkjet method and a wet-on-wet method, to the fabric to which the white ink has been applied.

Abstract: Methods for printing using printing systems comprising a flexible intermediate transfer member (ITM) disposed around a plurality of guide rollers at which encoders are installed, and an image-forming station at which ink images are formed by droplet deposition by print bars onto the ITM, can include measuring a local velocity of the ITM under one of the print bars, determining a stretch factor for a portion of the ITM based on a relationship between an estimated stretched length fixed physical distance between print bars, controlling an ink deposition parameter according to the stretch factor so as to compensate for stretching of the reference portion of the ITM.

Abstract: Provided is an ink jet recording method having excellent ejecting stability and capable of recording a fluorescent-colored image with an excellent color developability and abrasion resistance. The ink jet recording method includes a recording step of ejecting an aqueous ink from a recording head of an ink jet system and applying the aqueous ink to a recording medium and a heating step of heating the recording medium applied with the aqueous ink at a temperature TH (° C.). The aqueous ink contains a first resin particle and a second resin particle, the first resin particle is dyed with at least one fluorescent dye selected from the group consisting of a basic dye, a disperse dye and an oil-soluble dye, and contains a cyano group-containing unit, and the second resin particle does not include any coloring material therein.

Abstract: A liquid ejecting apparatus is configured to drive a driving element in accordance with a driving signal applied by control of the controller. A driving signal includes a first ejection pulse for ejecting liquid, a second ejection pulse for ejecting liquid, and a non-ejection pulse for not ejecting liquid. The controller selects the first ejection pulse and the second ejection pulse to supply to the driving element, when a first amount of liquid is to be ejected from the nozzle in the unit period. The controller selects the non-ejection pulse and the second ejection pulse to supply to the driving element, when a second amount of liquid that is smaller than the first amount of liquid is to be ejected from the nozzle in the unit period. The second amount of liquid is larger than an amount of liquid ejected by only the second ejection pulse.

Abstract: A liquid discharge apparatus includes liquid discharge head units, an image sensor, and processing circuitry. The circuitry detects, based on image data detected by the sensor, an amount of deviation between positions on an object onto which liquid has been discharged by the head units; corrects a timing of discharging the liquid, based on the amount of deviation; switches between first control of conveying the object at a first speed while the sensor images the object with a first image size and second control of conveying the object at a second speed faster than the first speed while the sensor images the object with a second image size having a smaller number of pixels; and sets pixel positions of the sensor used for imaging during the second control, according to the amount of deviation detected based on the image data imaged with the first image size by the first control.

Abstract: A liquid discharge apparatus includes a liquid discharger and circuitry. The liquid discharger includes a nozzle to discharge liquid. The circuitry is configured to generate and output a common drive waveform including a plurality of drive pulses for discharging the liquid; select one or more of the plurality of drive pulses from the common drive waveform and apply the one or more of the plurality of drive pulses to a pressure generating element of the liquid discharger; and adjust, with different adjustment values, application waveform shapes of at least two of the plurality of drive pulses applied to the pressure generating element.

Abstract: There is provided a method for controlling driving of an inkjet head including recording elements each including a nozzle and a driving element. The method includes a pulse width setting step. In this step, when a predetermined number of ink droplets ejected according to the predetermined number of driving pulses are made to land in the same pixel range, the predetermined number of first driving pulses each having a pulse width longer than a reference pulse width and the predetermined number of second driving pulses each having a pulse width shorter than the reference pulse width are combined for each of the recording elements and obtained combinations are respectively output to the recording elements. The predetermined number is two or more.

Abstract: An inkjet ink for a glass substrate can enable formation of an aesthetic image with high concealability on the surface of the glass substrate. The inkjet ink disclosed here can include: an inorganic solid including an inorganic pigment that develops a color except for black and a glass frit; a monomer component having a photocuring property; and a photoinitiator. In the inkjet ink, a volume ratio of the inorganic solid in a case where an ink total volume is 100 volume % can be 35 volume % or less, a volume ratio of the inorganic pigment in the case where a total volume of the inorganic solid is 100 volume % can be 15 volume % or more and less than 90 volume %, and a volume ratio of the inorganic pigment to the photoinitiator can be 11 times or less.

Abstract: An inkjet ink for a glass substrate can enable formation of an aesthetic image with high concealability on the surface of the glass substrate. The inkjet ink disclosed here can include: an inorganic solid including an inorganic pigment that develops black and a glass frit; a monomer component having a photocuring property; and a photoinitiator. In the inkjet ink, a volume ratio of the inorganic solid in a case where an ink total volume is 100 volume % can be 35 volume % or less, a volume ratio of the inorganic pigment in the case where a total volume of the inorganic solid is 100 volume % can be 15 volume % or more and less than 90 volume %, and a volume ratio of the inorganic pigment to the photoinitiator can be 6 times or less.

Abstract: A liquid ejection head includes a base plate and at least two device chips in which ejection ports for ejecting a liquid are formed and which are disposed on the base plate. At least one first reference mark is provided on the base plate. A second reference mark is provided on each of the device chips. At least one space is formed between adjacent device chips. The second reference marks and the first reference mark present in the space are disposed on an array axis along which the device chips are arrayed.

Abstract: An inkjet printer includes: a casing; a first control board; a carriage; a head; a transmission antenna; and a reception antenna. The first control board is configured to reciprocate in a scanning direction crossing a conveying direction of a recording medium. The head is mounted in the carriage and has a plurality of nozzles. The transmission antenna is connected to the first control board. The transmission antenna is configured to transmit, through near field communication, an ejection signal for controlling ejection of ink from the plurality of nozzles. The reception antenna is provided in the carriage. The reception antenna is configured to receive the ejection signal from the transmission antenna. The near field communication has a communication range smaller than a size of the casing.

Abstract: A head unit includes a liquid discharge head, circuitry, and a cable. The liquid discharge head includes multiple piezoelectric elements including multiple individual electrodes and a common electrode. The circuitry generates a first drive signal applied to the multiple individual electrodes, a second drive signal applied to the multiple individual electrodes and having a different waveform from the first drive signal, and a voltage signal applied to the common electrode. The cable connects the liquid discharge head and the circuitry. The cable includes n first wires through which the first drive signal is transmitted, n second wires through which the second drive signal is transmitted, and n third wires through which the voltage signal is transmitted. Here, n is an integer equal to or greater than 2. Each of at least (n?1) third wires is arranged between one of the n first wires and one of the n second wires.