A drying assembly comprises a plurality of electromagnetic energy sources arranged to dry printing fluid deposited onto a surface of a substrate, by evaporation of a solvent fluid therefrom. The drying assembly further comprises a conveyor system configured to move the substrate in a conveying direction, and a focusing system configured to focus electromagnetic energy from the plurality of electromagnetic energy sources to form a non-uniform heating pattern on the surface of the substrate. The non-uniform heating pattern comprises a plurality of spatially separated higher and lower intensity regions distributed along the conveying direction.

A light source device includes a casing including one end surface, other end surface, and one side surface between the one end surface and the other end surface, a light emitting unit provided on a side of the one end surface in the casing, a heat radiating unit provided in the casing and thermally connected to the light emitting unit, an exhaust port formed at least in a region located in one side surface and facing the heat radiating unit, an axial fan which is provided in the casing and supplies cooling air to the heat radiating unit, and a shielding deflecting plate which is provided between the axial fan and the heat radiating unit and shields a part of the cooling air supplied from the axial fan and deflects a part of the cooling air to a direction away from the exhaust port.

There is provided an ultraviolet ray irradiating apparatus configured to cure an ultraviolet-curable ink, the ultraviolet ray irradiating apparatus including a plurality of light emitting chips configured to emit an ultraviolet ray and arranged with a first pitch in main scanning direction and with a second pitch greater than the first pitch in sub scanning direction. The printing object includes a low part in which a distance from an ultraviolet ray irradiation surface becomes to be a large gap and a high part in which the distance from the ultraviolet ray irradiation surface becomes to be a small gap. The ultraviolet ray irradiating apparatus is configured to irradiate the object such that an illuminance, of the ultraviolet ray is not less than a minimum illuminance required for curing, in an area, of the low part, onto which the ink is discharged by a nozzle outermost in the sub scanning direction.

At step S115, a printer control unit refers to a table using an average print duty as an input, and determines a saturation temperature and a drum preliminary heating temperature. In this example, since the saturation temperature and the preliminary heating temperature with respect to the print duty are stored as a table, the printer control unit refers to the table using the average print duty as the input, and determines the saturation temperature and the drum preliminary heating temperature. At step S120, the printer control unit investigates a current drum temperature based on a measurement result of a temperature sensor. Subsequently, at step S125, the drum is heated or cooled until it reaches, of the saturation temperature and the drum preliminary heating temperature, the temperature for which the difference with the current drum temperature is smaller.

The present invention relates to a multi-layered sheet suitable as floor or wall covering exhibiting a three-dimensional surface relief and a decorative image, comprising: i. a support layer having an upper surface and a lower surface; ii. a foamed layer having an upper surface and a lower surface, the lower surface of the foamed layer provided adjacent, and adherent to the upper surface of the support layer, the upper surface of the foamed layer comprising a discontinuous chemically embossed relief pattern, wherein the discontinuous chemically embossed relief pattern comprises indentations formed by single or stacked dots of a digitally printed material comprising a foam inhibiting agent; and optionally iii. a decorative layer adhered to the upper surface of the foamed layer; and optionally iv. at least one wear resistant layer provided adjacent and adhered to the decorative layer; and optionally v. a backing layer provided adjacent and adhered to the lower surface of the support layer.

An inkjet printing device includes an ink containing unit to contain a clear aqueous ink containing a resin, a compound represented by the following Chemical formula, and water, ##STR00001##
where R.sup.1 represents an alkyl group having 1 to 4 carbon atoms, a discharging head to discharge the clear aqueous ink to printed matter to form a layer thereon in a low gloss printing mode or high gloss printing mode, and a heating device to heat the printed matter, wherein the heating device heats the printed matter satisfying the following relationship 1: Tlgloss>Thgloss 1, where Tlgloss represents the temperature of the printed matter at a low gloss printing region in the low gloss printing mode and Thgloss represents the temperature of the printed matter in the high gloss printing mode when the clear aqueous ink is attached to the printed matter.

A light irradiator includes a light source, a heat-dissipating member thermally connected to the light source, a drive including a drive circuit for the light source, a housing having vents and an irradiation opening for light from the light source to pass, and a blower. The rectangular housing has a first surface having a first side with a first dimension and a second side with a second dimension, a second surface having the second side and a third side with a third dimension, and a third surface having the first and third sides. The opening is in the first surface. A first vent and a second vent are in the second surface, with the first vent nearer the opening, and the second vent opposite to the opening. The heat-dissipating member faces the first vent. The drive is between the first and second vents. The blower faces the second vent.

The present invention is drawn to low migration energy-curable compositions including epoxy acrylates derived from the reaction of poly(alkylene oxide) containing glycidyl ethers with acrylic acid. The compositions of the invention are particularly useful for the printing or coating of food packaging.

An inkjet image forming apparatus includes a transferer and a hardware processor. The transferer transfers, onto a recording medium, ink that is ejected from an inkjet head and is borne on a transfer member. The hardware processor performs control for reducing transferability of the ink in a case where the ink borne on the transfer member is not-to-be-transferred ink, compared with a case where the ink is to-be-transferred ink.

A method is disclosed for reducing the scatter of UV light during a final curing operation in the three-dimensional printing on the surface of transparent and semi-transparent media. The method precisely controls the movement of media during a final cure step in the printing of an expressed inkjet image on the surface of transparent media. The method also controls a number of factors during final curing operation such as the lateral movement of media under a final cure lamp, the number of rotations that media undergoes during final curing, the timely modulation of UV lamp power during final curing, and the selection of UV emitter segments positioned away from a inkjet print head to reduce the amount of potential UV radiation from impinging upon one or more of the adjacent printing heads.