Abstract: A method and apparatus of providing varying gloss levels for a printed surface of a two-dimensional or three-dimensional printed structure is disclosed. The method includes dynamically adjusting the spacing between a printhead assembly and a curing device according to a target gloss level for the resulting printed structure.

Abstract: A liquid ejecting apparatus includes an ejecting unit that includes a piezoelectric element which is displaced by a drive signal; a differential amplifier that outputs a control signal based on a source drive signal which is a source signal of the drive signal and a signal based on the drive signal; a pair of transistors that include a high-side transistor and a low-side transistor which are controlled based on the control signal and outputs the drive signal from an output terminal; a selector that selects one of the high-side transistor and the low-side transistor and supplies the control signal to the selected transistor; a first resistance element for pulling up the output terminal; and a second resistance element for pulling down the output terminal. The first resistance element or the second resistance element has a variable resistance value.

Abstract: A printing press includes a printing cylinder, inkjet heads, and an ink drying lamp. A non-metal sheet is attached to an outer surface of the printing cylinder. The non-metal sheet includes a main body made of a non-metal material in a sheet-like shape, and a plurality of ventilation portions through which air passes in a thickness direction of the main body. This makes it possible to efficiently dissipate heat of the printing cylinder while preventing the printing cylinder from being overheated when an amount of heat generated at the time of printing is transferred to the surface of the printing cylinder.

Abstract: According to an embodiment, an image erasing apparatus includes a reading unit, an erasing unit, an image forming unit, and a controller. The reading unit reads identification information formed on a sheet conveyed. The erasing unit erases a part or all of a first image formed on the sheet after the identification information is read. The controller obtains image data corresponding to the identification information that is read by the reading unit. The controller controls the image forming unit so as to form a second image, which is indicated by the obtained image data, onto the sheet from which the first image has been erased.

Abstract: A power supply apparatus includes a power source unit configured to supply electric power to an electric load, a capacitor connected to a power supply line extending from the power supply unit to the electric load, a charge circuit configured to charge the capacitor while restricting a current value of the electric power supplied from the power source unit, a specifying unit configured to specify a voltage value of the capacitor, a first determination unit configured to determine whether the charge of the capacitor is completed in accordance with the voltage specified by the specifying unit, and a second determination unit configured to determine whether the voltage specified by the specifying unit is equal to or smaller than an error threshold value after the first determination unit determines that the charge of the capacitor is completed.

Abstract: An ink let recording method using an apparatus including plural aqueous inks, a recording head having a heat-generating portion to eject the inks, and ink storage portions therefor which are housings bonded to the recording head, the method including ejecting the inks from the recording head to record an image on a recording medium. The recording head has plural ejection orifice arrays corresponding to the inks and including a first and a second ejection orifice array at both sides and a third ejection orifice array at the other positions. A protective layer containing tantalum or tantalum oxide is formed on the heat-generating portion to contact with the inks. Dynamic surface tension and lightness of the ink corresponding to the third ejection orifice array are respectively smaller than maximum dynamic surface tension and larger than minimum lightness of the inks corresponding to the first and second ejection orifice arrays.

Abstract: A fluid ejection device includes a fluid slot, a first fluid ejection chamber communicated with the fluid slot and including a first drop ejecting element, a second fluid ejection chamber including a second drop ejecting element, and a fluid circulation path including a first portion communicated with the fluid slot and the second fluid ejection chamber, and a second portion communicated with the first fluid ejection chamber and the second fluid ejection chamber, with the fluid circulation path including a fluid circulating element within the first portion.

Abstract: A media transport system includes a vacuum plenum and a belt positioned over the vacuum plenum. The belt includes at least one member having a first region and a second region that both include holes that enable the vacuum plenum to apply a force to hold print media against the belt. The belt also includes slots formed through the at least one member in an inter-copy gap positioned between the first region and the second region. Each slot is formed with a larger area than an area of each hole.

Abstract: A drying device includes a first heater, a second heater, a conveyance path, and an infrared heater. The first heater contacts and heats a medium on which liquid is applied. The second heater contacts and heats the medium. The second heater contacts the medium at a distance longer than a distance at which the first heater contacts the medium. The conveyance path of the medium includes a first conveyance-path portion and a second conveyance-path portion. The medium is conveyed while contacting the first heater in the first conveyance-path portion. The first conveyance-path portion is disposed upstream from the second heater in a direction of conveyance of the medium. The second conveyance-path portion is disposed downstream from the second heater in the direction of conveyance of the medium. The infrared heater is disposed in the second conveyance-path portion, to irradiate an infrared ray to the medium.

Abstract: A printing apparatus includes a printing section that performs printing by adhering an ink to a medium, a transport section that transports the medium, and a heating device that heats the medium, on which printing is finished. The heating device includes a first partitioning wall that has an infrared ray emission surface that faces a third support member via a heating region, and a heating section which heats the first partitioning wall, and an area of the infrared ray emission surface is greater than a projection area obtained by projecting the infrared ray emission surface toward the third support member.

Abstract: Method for reducing banding effects in images, in particular gloss banding effects, by means of a printing module, a hardening unit and a medium feeder, wherein the printing module provides printed lines with a line width B in a print scan direction, whose ends forming the line margin define a printing texture, and wherein the hardening unit provides essentially completely hardened lines with a line width H, whose ends forming the line margin define a wet/dry texture, wherein a printed line of a printing scan partially, but not fully, overlaps with the hardened line of a hardening scan, in a print scan direction.

Abstract: An ink according to an embodiment includes a functional layer forming material, wherein the ejection amount of a droplet ejected from a nozzle of an inkjet head is 9.5 ng or more and 11 ng or less, and the length of the droplet when the droplet is ejected from the nozzle at an ejection velocity of 6 m/sec or more and 9 m/sec or less is 250 ?m or less.

Abstract: Provided is a dot recording apparatus in which a first dot group is formed using a first nozzle group, a second dot group is formed using a second nozzle group, a third dot group is formed using a third nozzle group, of which the distance from the first nozzle group in a direction is a first nozzle row distance, a fourth dot group is formed using a fourth nozzle group, of which the distance from the second nozzle group in a direction is a second nozzle row distance, which differs from the first nozzle row distance, and inclination of the main scanning direction and a nozzle row are calculated on the basis of a distance in the main scanning direction from the first dot group up to the third dot group, and a distance in the main scanning direction from the second dot group up to the fourth dot group.

Abstract: With respect to an area quantized by using an area of part in a quantization pattern and also without using an area of the other part in the quantization pattern in quantized data, a mask pattern part corresponding to the area of the part among mask pattern parts constituted by dividing a mask pattern is applied.

Abstract: A printing apparatus, including a conveyor, a liquid ejection head with nozzles, a contact part to contact a surface of a recording medium and a controller, is provided. The controller executes printing processes including a first printing process with a first conveying action and a second printing process with a second conveying action. The controller obtains a length of a non-printing region in the recording medium, and in the second printing process, designates a nozzle within a contact range, in which the recording medium is maintained contacted by the contact part upon completion of the conveying action in a final printing process, to be a second nozzle, which is activated to print a most downstream part of the image. The longer the length of the non-printing region is, the closer nozzle closer to an upstream end of conveyance among the plurality of nozzles is designated to be the second nozzle.

Abstract: An ink set that includes a first ink and a second ink each containing coloring agent, surfactant, organic solvent, resin, and water. The mix SP value of the organic solvent and the water of the first ink is larger than the mix SP value of the organic solvent and the water of the second ink. An ink-jet recording method using the ink set.

Abstract: Provided is a liquid ejecting head including: a first board on which a driving element for ejecting liquid is installed; a second board which is installed on the surface of the first board and covers the driving element; a wiring board that includes a first surface on which a wiring, where a driving signal is supplied to the driving element, is formed and a second surface that is at the opposite side to the first surface, and where the first surface of a first end section is joined to the surface of the first board; and a filling material which covers the wiring by being formed at least between the first surface and a wall surface of the second board, in which the height of the filling material with respect to the surface of the first board is high at the first surface side in comparison to the second surface side.

Abstract: A label issuing apparatus of an embodiment includes a print unit that prints commodity information on a linerless label, a feeding unit that feeds the linerless label, a cutting unit that detaches the linerless label as a label piece, and a temporary adhesion unit that holds the label piece, and superimposes an upstream end portion in a feeding direction of the held label piece on a downstream end portion in a feeding direction of a subsequent label, the subsequent label being the linerless label next fed by the feeding unit.

Abstract: Provided are an image recording apparatus that efficiently detects defective recording elements causing image defects in a plurality of recording heads and a method of detecting the defective recording elements. An image recording apparatus including: a plurality of recording heads; an indicator acquisition unit for acquiring an indicator which relatively indicates how easily image defects are visually perceived for each color, an appearance ratio setting unit for setting an appearance ratio of a test pattern as a higher value as the indicator of each color becomes higher; a recording unit for recording the test pattern of each color on a recording medium at the appearance ratio; an imaging unit for capturing an image of the test pattern which is recorded on the recording medium; and an analysis unit for analyzing the captured test pattern and detecting a defect of a recording element in the recording head.

Abstract: A liquid ejecting apparatus includes a liquid tank, a tank holder, a liquid ejection head, and an apparatus casing. The liquid tank includes a liquid injection port, a liquid containing portion containing the liquid injected from the liquid injection port, and a supply port supplying the liquid. The tank holder holds the liquid tank. The liquid ejection head ejects a liquid supplied from the supply port. The apparatus casing accommodates the liquid tank, the tank holder, and the liquid ejection head. The tank holder is pivotable relative to the apparatus casing with holding the liquid tank. The liquid injection port of the liquid tank is configured to be exposed to an exterior of the apparatus casing by pivoting the tank holder relative to the apparatus casing to inject the liquid into the liquid tank, while the liquid tank is held in the tank holder.