A printing apparatus includes: a tank configured to contain ink; a print head configured to eject ink supplied from the tank; a supply flow path through which liquid is supplied from the tank to the print head; a collection flow path through which liquid is collected from the print head to the tank; a circulation unit configured to circulate ink inside a circulation flow path including the tank, the supply flow path, the print head, and the collection flow path; and a cooling unit configured to cool the tank by blowing.

A printing apparatus includes: a tank configured to contain ink; a print head configured to eject ink supplied from the tank; a supply flow path through which liquid is supplied from the tank to the print head; a collection flow path through which liquid is collected from the print head to the tank; a circulation unit configured to circulate ink inside a circulation flow path including the tank, the supply flow path, the print head, and the collection flow path; and a cooling unit configured to cool the tank by blowing.

A recording device includes a recording head, a conveyance portion that conveys a liquid-ejected medium so that the liquid-ejected medium passes through a position facing the recording head, a supply portion for air, and an air blowing mechanism that is disposed on an upstream side of the recording head in a relative moving direction between the recording head and the liquid-ejected medium, the air blowing mechanism including an air blow-out port for blowing out air from the supply portion toward a gap between the recording head and the liquid-ejected medium. The air blow-out port includes a plurality of slits that are lined up in a direction intersecting the relative moving direction, and the plurality of slits are lined up in the direction intersecting the relative moving direction so that long sides of the adjacent slits have regions facing each other in a direction orthogonal to the long sides.

A printer includes a platen roller, a substrate, a heating element, a first defining part, and a second defining part. The platen roller conveys a medium in a conveyance direction. The substrate has a front surface which faces the platen roller in a facing direction intersecting an axis direction of the platen roller and the conveyance direction. The heating element is provided on the front surface of the substrate. The heat sink is in contact with a back surface of the substrate. The first defining part and the second defining part define the conveyance path. The first defining part is provided on a further upstream side than the heating element in the conveyance direction. The second defining part is provided at the heat sink on a further downstream side than the substrate in the conveyance direction. and has a contact surface with which the medium comes into contact.

A printer includes a platen roller, a substrate, a heating element, a first defining part, and a second defining part. The platen roller conveys a medium in a conveyance direction. The substrate has a front surface which faces the platen roller in a facing direction intersecting an axis direction of the platen roller and the conveyance direction. The heating element is provided on the front surface of the substrate. The heat sink is in contact with a back surface of the substrate. The first defining part and the second defining part define the conveyance path. The first defining part is provided on a further upstream side than the heating element in the conveyance direction. The second defining part is provided at the heat sink on a further downstream side than the substrate in the conveyance direction. and has a contact surface with which the medium comes into contact.

Provided is a light source device in which the housing is not full of heat, and the risk of inhaling dust in the housing or the risk of reduction of life of the fan device becomes reduced. In an aspect, a light source device according to the present disclosure includes a light source; a light source control unit for controlling turning on/off and a quantity of light of the light source; a cooling fan for cooling the light source; and a fan control unit for controlling a number of revolutions of the cooling fan, wherein the fan control unit is configured to: control the number of revolutions of the cooling fan to become a first number of revolutions depending on the quantity of light of the light source when the light source is turned on, and control the number of revolutions of the cooling fan to become a second number of revolutions lower than the first number of revolutions by waiting for a predetermined waiting time when the light source is turned off.

A printing apparatus includes a liquid ejecting unit configured to eject liquid to a medium, a medium supporting unit configured to support the medium on a support face, a medium width detector configured to detect a width of the medium supported at the supporting face. Further, the printing apparatus includes a plurality of air blowing ports provided along a width direction (X-axis direction) of the medium for blowing air toward the medium supporting unit, an air blowing unit from which the air is blown, a heating unit configured to heat the medium supporting unit. Further, the printing apparatus includes a controlling unit configured to control a blowing amount from each of the plurality of air blowing ports according to the width of the medium detected by the medium width detector.

An ink jet recording method includes: a treatment liquid adhesion step of adhering a treatment liquid containing an aggregating agent to a recording medium; an ink adhesion step of adhering an aqueous ink composition containing a colorant to the recording medium by ejection thereof from an ink jet head; a first heating step of heating the recording medium to which the treatment liquid and the aqueous ink composition are adhered to a first surface temperature by a first heating mechanism; a second heating step of heating the recording medium after the first heating step to a second surface temperature which is higher than the first surface temperature by a second heating mechanism provided at downstream than the first heating mechanism in a recording medium transport direction; and a cooling step of, after the first heating step and before the second heating step, cooling the recording medium by a cooling mechanism, and by the cooling step, a surface temperature of the recording medium is decreased to a temperature lower than the first surface temperature.

An ink jet recording method includes: a treatment liquid adhesion step of adhering a treatment liquid containing an aggregating agent to a recording medium; an ink adhesion step of adhering an aqueous ink composition containing a colorant to the recording medium by ejection thereof from an ink jet head; a first heating step of heating the recording medium to which the treatment liquid and the aqueous ink composition are adhered to a first surface temperature by a first heating mechanism; a second heating step of heating the recording medium after the first heating step to a second surface temperature which is higher than the first surface temperature by a second heating mechanism provided at downstream than the first heating mechanism in a recording medium transport direction; and a cooling step of, after the first heating step and before the second heating step, cooling the recording medium by a cooling mechanism, and by the cooling step, a surface temperature of the recording medium is decreased to a temperature lower than the first surface temperature.

An image-forming apparatus includes a condensation determiner that determines whether there is a possibility of condensation occurring inside the image-forming apparatus using condensation determination information including a measured apparatus temperature inside the apparatus, a preparation processor that performs a preparation process for executing a print function, and a preparation waiting time setter that sets a preparation waiting time indicating a period of time for performing the preparation process. When the image-forming apparatus is powered and it is determined that there is a possibility of condensation occurring inside the image-forming apparatus, a preparation waiting time is set using the condensation determination information and the preparation process is started. After counting of the preparation waiting time is started, it is determined that a periodically-measured fusing temperature reached a predetermined target temperature, and thereafter, the counted preparation waiting time elapsed, the preparation process is canceled.