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 cleaning unit is provided with a cleaning member for cleaning an ejecting head for ejecting liquid and a holder detachably mounted in a holding portion disposed at a position faceable with the ejecting head. The cleaning member is held in the holder in a state in which an absorbent body configured to absorb liquid is wrapped around an elastic body.

Abstract: A drying unit includes a housing and a first contact heating unit. The first contact heating unit is provided inside the housing. The first contact heating unit includes a first contact heating surface configured to come into contact with a back surface of a medium after printing. The first contact heating unit can change posture from first posture to second posture, in a state where a first engagement portion engages with a first guide portion of a first support portion and a second engagement portion engages with a second guide portion of a second support portion, by a movement from a first position where the first contact heating surface faces the back surface of the medium after printing to a second position where the first contact heating surface is more separated from the back surface of the medium after printing as compared to the first position.

Abstract: A cleaning unit is provided with a cleaning member for cleaning an ejecting head for ejecting liquid and a holder detachably mounted in a holding portion disposed at a position faceable with the ejecting head. The cleaning member is held in the holder in a state in which an absorbent body configured to absorb liquid is wrapped around an elastic body.

Abstract: A printing apparatus includes a support member having a curved surface, an ejection head, a housing, a light emitting section, a first light-shielding plate arranged between the ejection head and the irradiation section, and a second light-shielding plate arranged between the first light-shielding plate and the ejection head. The housing is arranged in a position far from the curved surface with respect to a virtual tangent plane that passes through a portion of the nozzle surface being farthest from the irradiation port and is held in contact with a lower end of the first light-shielding plate. The second light-shielding plate is arranged in a position that allows the second light-shielding plate to block at least part of light entering a side surface orthogonal to the nozzle surface of the ejection head among the light that is emitted from the irradiation section.

Abstract: A printing apparatus includes a support member having a curved surface, an ejection head, a housing, a light emitting section, a first light-shielding plate arranged between the ejection head and the irradiation section, and a second light-shielding plate arranged between the first light-shielding plate and the ejection head. The housing is arranged in a position far from the curved surface with respect to a virtual tangent plane that passes through a portion of the nozzle surface being farthest from the irradiation port and is held in contact with a lower end of the first light-shielding plate. The second light-shielding plate is arranged in a position that allows the second light-shielding plate to block at least part of light entering a side surface orthogonal to the nozzle surface of the ejection head among the light that is emitted from the irradiation section.

Abstract: A printing apparatus includes a support member including a curved surface that supports a recording medium conveyed in a predetermined conveyance direction, a discharging head that discharges liquid from a nozzle of a nozzle surface disposed in a position facing the support member to print an image on the recording medium on the curved surface, an irradiation section that includes a housing and a light emitting section and that irradiates the recording medium on the curved surface with light emitted from the light emitting section via an irradiation port, and a light-shielding plate disposed between the discharging head and the irradiation section. The housing of the irradiation section is disposed in a position farther from the curved surface than a virtual tangent plane that passes through a portion of the nozzle surface being farthest from the irradiation port and that contacts a lower end of the light-shielding plate.

Abstract: This printing apparatus is provided with a discharge head, a movement unit for moving a recording medium in a prescribed direction relative to the discharge head, a support member for supporting the recording medium in a position of facing the discharge head, a light-emitting unit for emitting light downstream in the prescribed direction from the discharge head, a first opposing unit disposed between the discharge head and the light-emitting unit in the prescribed direction, a second opposing unit disposed downstream of the discharge head in the prescribed direction, and an optically transparent member that is disposed between the first opposing unit and the second opposing unit and that covers the light-emitting unit from the support member.

Abstract: A printing apparatus includes a support member including a curved surface that supports a recording medium conveyed in a predetermined conveyance direction, a discharging head that discharges liquid from a nozzle of a nozzle surface disposed in a position facing the support member to print an image on the recording medium on the curved surface, an irradiation section that includes a housing and a light emitting section and that irradiates the recording medium on the curved surface with light emitted from the light emitting section via an irradiation port, and a light-shielding plate disposed between the discharging head and the irradiation section. The housing of the irradiation section is disposed in a position farther from the curved surface than a virtual tangent plane that passes through a portion of the nozzle surface being farthest from the irradiation port and that contacts a lower end of the light-shielding plate.

Abstract: This printing apparatus is provided with a discharge head, a movement unit for moving a recording medium in a prescribed direction relative to the discharge head, a support member for supporting the recording medium in a position of facing the discharge head, a light-emitting unit for emitting light downstream in the prescribed direction from the discharge head, a first opposing unit disposed between the discharge head and the light-emitting unit in the prescribed direction, a second opposing unit disposed downstream of the discharge head in the prescribed direction, and an optically transparent member that is disposed between the first opposing unit and the second opposing unit and that covers the light-emitting unit from the support member.

Abstract: A light irradiation device includes: a UV irradiation unit that applies light to UV ink having been applied onto a medium; and a moving unit that moves a relative position of the medium and the UV irradiation unit in the Z-axis direction; wherein the UV irradiation unit includes, a light source row formed by arranging plural light emitting diodes (LED), irradiation intensity of which falls within a first range, in the Y-axis direction orthogonal to the Z-axis direction; and another light source row located next to the light source row and formed by arranging plural LEDs, irradiation intensity of which falls within a second range, in the Y-axis direction.

Abstract: A light irradiation device includes: a UV irradiation unit that applies light to UV ink having been applied onto a medium; and a moving unit that moves a relative position of the medium and the UV irradiation unit in the Z-axis direction; wherein the UV irradiation unit includes, a light source row formed by arranging plural light emitting diodes (LED), irradiation intensity of which falls within a first range, in the Y-axis direction orthogonal to the Z-axis direction; and another light source row located next to the light source row and formed by arranging plural LEDs, irradiation intensity of which falls within a second range, in the Y-axis direction.

Abstract: Provided is a liquid discharge apparatus including a recording unit that discharges an ink, an UV irradiation unit that has an intake port, an exhaust port, an internal flow path which is communicated with the intake port and the exhaust port, and a filter which catches the ink, and an X axis movement section that supports the recording unit and the UV irradiation unit, and moves the recording unit and the UV irradiation unit in an X axis direction, in which the UV irradiation unit is supported by the X axis movement section on a rear side, and the exhaust port faces a front side.

Abstract: A printing apparatus including a print head that performs a printing pass that ejects a photocurable liquid onto a printing medium while being displaced in a main scanning direction each time the print head is displaced in a sub-scanning direction by a displacing amount of a sub-scanning operation, a first irradiation unit that follows the print head displaced in the main scanning direction while radiating light onto an area that is larger than the displacing amount of a sub-scanning operation, and a second irradiation unit that irradiates the light towards an area where irradiation of the light has been completed by the first irradiation unit. Furthermore, an integrated quantity of light of the first irradiation unit is reduced and an integrated quantity of light of the second irradiation unit is increased, in accordance with the increase in the set number of printing passes to be carried out.

Abstract: An electromagnetic wave irradiation device includes an irradiator which irradiates electromagnetic waves onto a liquid droplet which has been adhered to a recording medium, an irradiation controller which causes the irradiator to irradiate the electromagnetic waves periodically such that a frequency of an irradiation period in which the electromagnetic waves are irradiated is a predetermined frequency, and a time setting unit which sets a time ratio obtained by dividing a length of an irradiation time by the irradiator in the irradiation period by a length of a termination time during which the electromagnetic waves are not irradiated by the irradiator in the irradiation period to be a value of greater than or equal to 0.2 and less than or equal to 2.

Abstract: A liquid ejecting apparatus includes: a head that ejects liquid to be cured by receiving irradiation of an electromagnetic wave onto a medium; a provisional-curing irradiation section that emits a first electromagnetic wave to a dot formed on the medium by the liquid; and a main-curing irradiation section that emits a second electromagnetic wave, which has irradiation intensity higher than that of the first electromagnetic wave, to the dot to which the first electromagnetic wave is emitted. When the main-curing irradiation section emits the second electromagnetic wave, a dot forming surface of the medium faces the lower side in the direction of gravity.

Abstract: A printing device that forms a background by a first ink and images on the background by a second ink includes a head having first and second nozzle lines that eject, respectively, the first and second inks. The inks are ejected as the head moves, with respect to a medium, in a main scanning direction intersecting the first and second nozzle lines. A transport section transports the medium in a sub-scanning direction along the first and second nozzle lines. In an ejecting operation, the first and second inks are ejected in the relative movement in the main scanning direction and the relative transportation in the sub-scanning direction is performed. In the sub-scanning direction, first and second nozzle line used areas are set where the first and second inks, respectively, are ejected from the first and second nozzle lines. A nozzle unused area is defined therebetween.

Abstract: A nozzle surface (nozzle plate) of a printing head which ejects UV-curable ink from a nozzle is tilted with a predetermined inclination angle ? with respect to the recording surface of a recording sheet so as to face the opposite side to an ultraviolet irradiator. In this manner, it is difficult for the ultraviolet light which is radiated from the ultraviolet irradiator, and is reflected on the recording sheet to input to the nozzle plate, and it is possible to prevent ink in the nozzle from being thickened, or being cured due to the ultraviolet light.

Abstract: Provided is a liquid discharge apparatus including a recording unit that discharges an ink, an UV irradiation unit that has an intake port, an exhaust port, an internal flow path which is communicated with the intake port and the exhaust port, and a filter which catches the ink, and an X axis movement section that supports the recording unit and the UV irradiation unit, and moves the recording unit and the UV irradiation unit in an X axis direction, in which the UV irradiation unit is supported by the X axis movement section on a rear side, and the exhaust port faces a front side.

Abstract: A printing apparatus including a print head that performs a printing pass that ejects a photocurable liquid onto a printing medium while being displaced in a main scanning direction each time the print head is displaced in a sub-scanning direction by a displacing amount of a sub-scanning operation, a first irradiation unit that follows the print head displaced in the main scanning direction while radiating light onto an area that is larger than the displacing amount of a sub-scanning operation, and a second irradiation unit that irradiates the light towards an area where irradiation of the light has been completed by the first irradiation unit. Furthermore, an integrated quantity of light of the first irradiation unit is reduced and an integrated quantity of light of the second irradiation unit is increased, in accordance with the increase in the set number of printing passes to be carried out.