Abstract: Provided is an inkjet printing apparatus, an inkjet printing method, and a storage medium capable of causing less density unevenness. To this end, in a case where an expected pause time is larger than a predetermined threshold T (s), a platen air blowing unit blows air to the surface of a printing medium on a platen at a wind speed lower than that during printing.

Abstract: A liquid ejecting apparatus includes: a circulation channel; a circulating pump configured to circulate a liquid in the circulation channel; and a control unit configured to perform control that drives the circulating pump at a first number of times of driving in a case of performing a printing operation in which the liquid is ejected onto a printing medium, and drives the circulating pump at a second number of times of driving smaller than the first number of times of driving in a predetermined case which is before performing the printing operation.

Abstract: An inkjet printing apparatus adopting short pulse heating is designed to output a uniform image without unevenness. To this end, in a serial inkjet printing apparatus, a print head is subjected to a short pulse heating treatment before each print scan is carried out. In a case where a print medium is a first print medium, the print head is heated to a first target temperature before carrying out each of the print scans. In a case where the print medium is a second print medium, the print head is heated to a second target temperature lower than the first target temperature before carrying out each of the print scans.

Abstract: A liquid ejection apparatus includes: a liquid ejection head that ejects a liquid from an ejection port; and a cap movable to a closed position at which the cap covers the ejection port and an open position which is separated from the closed position and at which the ejection port is open. The liquid ejection apparatus further includes: a recovery unit configured to perform a recovery process of recovering liquid ejection performance of the liquid ejection head; and a determination unit configured to determine whether abnormal termination occurred with the cap at the open position when the liquid ejection apparatus resumes operating. In a case where the determination unit determines that the abnormal termination occurred, the recovery process is controlled based on a temperature obtained by a temperature obtaining unit.

Abstract: A threshold value is set based on a temperature of a recording apparatus, and a recording condition corresponding to the acquired temperature is set by comparing the set threshold value with a counted value of the number of driving times of a recording element.

Abstract: An object is to provide a technique of calculating an ejection amount of a ink in accordance with a printing head. A printing apparatus includes: a printing head including an ejection port array in which multiple ejection ports to eject a ink are arrayed; a conveyer unit configured to convey a printing medium in a conveyance direction; and a controller unit configured to control the printing head. The controller unit executes processing to obtain the printing dot number based on printing data and processing to calculate an amount of the ink used in a case of performing printing based on the printing data by using different calculation methods between a case where a first printing mode is set and a case where a second printing mode is set based on the printing dot number and an ejection amount conversion factor corresponding to a temperature of the printing head.

Abstract: An embodiment of the present invention provides an ink jet printing apparatus including: a print head including a printing element array provided with printing elements each configured to generate thermal energy required to eject an ink, a supply flow channel provided along the printing element array and configured to supply the ink to the respective printing elements, an opening provided to the supply flow channel and configured to cause the ink to flow in, and heating units provided along the supply flow channel and configured to heat the ink inside the supply flow channel; and a heating control unit configured to carry out heating control of the heating units based on a heating pattern determined based on heating intensity distribution, the heating intensity distribution representing heating intensities corresponding to the respective heating units and representing the heating intensities corresponding to positions in a direction of the printing element array.

Abstract: A recording apparatus includes recording elements to eject ink, heating elements to heat the ink, and a common wiring through which the recording elements and the heating elements are applied with a voltage. The recording apparatus determines a drive pulse applied to the recording elements based on the number of recording elements to be simultaneously driven and the number of heating elements to be simultaneously driven.

Abstract: Provided is a method for assembling a vehicle roof structure capable of suppressing occurrence of distortion of a roof panel. The method includes an application portion forming step, a roof panel disposing step, a roof panel mechanically fixing step, and a mastic adhesive curing step. In the application portion forming step, a plurality of application portions is formed such that among the plurality of application portions, a central application portion disposed at a center of a cross member in a vehicle width direction has a length that is shorter than a length of an end-side application portion disposed on opposite sides of the center in the vehicle width direction.

Abstract: Provided is a method for assembling a vehicle roof structure capable of suppressing occurrence of distortion of a roof panel. The method includes an application portion forming step, a roof panel disposing step, a roof panel mechanically fixing step, and a mastic adhesive curing step. In the application portion forming step, a plurality of application portions is formed such that among the plurality of application portions, a central application portion disposed at a center of a cross member in a vehicle width direction has a length that is shorter than a length of an end-side application portion disposed on opposite sides of the center in the vehicle width direction.

Abstract: An inkjet printing apparatus adopting short pulse heating is designed to output a uniform image without unevenness. To this end, in a serial inkjet printing apparatus, a print head is subjected to a short pulse heating treatment before each print scan is carried out. In a case where a print medium is a first print medium, the print head is heated to a first target temperature before carrying out each of the print scans. In a case where the print medium is a second print medium, the print head is heated to a second target temperature lower than the first target temperature before carrying out each of the print scans.

Abstract: A printing mode for performing printing to a printing medium and a determination mode for determining the application amount of a reaction liquid to a discharge medium can be performed. In the determination mode, a reaction liquid application unit forms a layer of the reaction liquid on the discharge medium, and then an ink application unit applies an ink onto a part of the layer to form a test pattern to be utilized for the determination. In the formation of the test pattern, an image to be formed by the ink by the aggregation of a solid content in the applied ink partially moves and shrinks on the layer of the reaction liquid to be thereby deformed with a grade according to the applied reaction liquid.

Abstract: A recording apparatus includes an ink application unit configured to apply ink to a transfer body, a first application unit configured to apply a first treatment liquid over an area on the transfer body, a second application unit configured to apply a second treatment liquid to the transfer body, a heating unit configured to heat the second treatment liquid applied to the transfer body, and a transfer unit configured to transfer the ink image, wherein a ratio of the second treatment liquid to the first treatment liquid on an outside of ink portion is determined according to the recording medium.

Abstract: A printing apparatus having an ink application unit applying a first ink containing at least resin as a solid content onto a discharge medium, a reaction liquid application unit applying a reaction liquid reacting with a component in the ink to aggregate the solid content in the first ink onto the discharge medium, and a liquid absorbing unit for bringing a liquid absorbing member of a porous body into contact with an ink image formed by the ink and the reaction liquid on the discharge medium to absorb liquid to thereby reduce the amount of the liquid in the ink image, in which a layer is formed with the first ink and the reaction liquid on the discharge medium, and then a test pattern utilized for detection is printed by applying a second ink different from the first ink to a part of the layer by the ink application unit.

Abstract: A printing mode for performing printing to a printing medium and a determination mode for determining the application amount of a reaction liquid to a discharge medium can be performed. In the determination mode, a reaction liquid application unit forms a layer of the reaction liquid on the discharge medium, and then an ink application unit applies an ink onto a part of the layer to form a test pattern to be utilized for the determination. In the formation of the test pattern, an image to be formed by the ink by the aggregation of a solid content in the applied ink partially moves and shrinks on the layer of the reaction liquid to be thereby deformed with a grade according to the applied reaction liquid.

Abstract: A printing apparatus having an ink application unit applying a first ink containing at least resin as a solid content onto a discharge medium, a reaction liquid application unit applying a reaction liquid reacting with a component in the ink to aggregate the solid content in the first ink onto the discharge medium, and a liquid absorbing unit for bringing a liquid absorbing member of a porous body into contact with an ink image formed by the ink and the reaction liquid on the discharge medium to absorb liquid to thereby reduce the amount of the liquid in the ink image, in which a layer is formed with the first ink and the reaction liquid on the discharge medium, and then a test pattern utilized for detection is printed by applying a second ink different from the first ink to a part of the layer by the ink application unit.

Abstract: A recording apparatus includes an ink application unit configured to apply ink to a transfer body, a first application unit configured to apply a first treatment liquid over an area on the transfer body, a second application unit configured to apply a second treatment liquid to the transfer body, a heating unit configured to heat the second treatment liquid applied to the transfer body, and a transfer unit configured to transfer the ink image, wherein a ratio of the second treatment liquid to the first treatment liquid on an outside of ink portion is determined according to the recording medium.

Abstract: An ink jet recording method of transferring onto a recording medium an intermediate image formed on an intermediate transfer member by an ink jet technique to record an image on the recording medium, the method including a pretreatment agent applying step of applying a pretreatment agent onto an intermediate transfer member; an ink applying step of applying an ink by an ink jet technique onto a region of the intermediate transfer member onto which the pretreatment agent is applied, thereby forming an intermediate image; a transfer step of transferring the intermediate image formed on the intermediate transfer member onto a recording medium; and a selection controlling step of controlling selection of execution or non-execution of at least one of the pretreatment agent applying step and the transfer step, based on an amount of the ink applied onto the intermediate transfer member.

Abstract: A transfer-type image recording method including the steps of applying a treatment liquid that causes aggregation of a component contained in ink to an image formation surface of an intermediate transfer member; applying ink to the surface to form an intermediate image; transferring the image from the surface to an recording medium; and applying an aqueous cleaning liquid to the surface. The treatment liquid contains a nonionic surfactant. In the step of applying a treatment liquid, T1<Tc1 is satisfied, where T1 and Tc1 are respectively the temperature and cloud point of the treatment liquid. In the step of applying an aqueous cleaning liquid, T2>Tc2 is satisfied, where T2 is the temperature of a liquid mixture, formed on the surface, of a remainder of the treatment liquid and the aqueous cleaning liquid, and Tc2 is the cloud point of the liquid mixture.

Abstract: An ink jet recording method of transferring onto a recording medium an intermediate image formed on an intermediate transfer member by an ink jet technique to record an image on the recording medium, the method including a pretreatment agent applying step of applying a pretreatment agent onto an intermediate transfer member; an ink applying step of applying an ink by an ink jet technique onto a region of the intermediate transfer member onto which the pretreatment agent is applied, thereby forming an intermediate image; a transfer step of transferring the intermediate image formed on the intermediate transfer member onto a recording medium; and a selection controlling step of controlling selection of execution or non-execution of at least one of the pretreatment agent applying step and the transfer step, based on an amount of the ink applied onto the intermediate transfer member.