Abstract: An inkjet recording method of the present invention comprises forming an ink image by ejecting ink on an ejection receiving medium by an inkjet head including a recording element substrate having an energy generation element, a pressure chamber, and an ejection port, wherein the ink is circulated between the inside of the pressure chamber and the outside of the pressure chamber; and removing at least a portion of a liquid component from the ink image by bringing a liquid absorbing member into contact with the ink image, wherein the ink contains 5 to 30 mass % of a water-soluble organic solvent having a bp of 110° C. or more, and 50 mass % or more of the water-soluble organic solvent contained in the ink image and having a bp of 110° C. or more is removed from the ink image in the removal of at least a portion of a liquid component from the ink image.

Abstract: An ink jet recording method of the present invention includes: forming an ink image by ejecting an ink onto a transfer body with an ink jet head in which a recording element substrate provided with an element generating energy to be used for ejecting the ink, a pressure chamber including the element inside, and an ejection orifice ejecting the ink is provided, and the ink in the pressure chamber is circulated between the pressure chamber and the outside of the pressure chamber; and transferring the ink image onto a recording medium by bringing the recording medium into contact with the transfer body on which the ink image is formed, wherein a viscosity of the ink is 2 mPa·s or more to 20 mPa·s or less.

Abstract: An ink jet printing method includes an ink image forming step of forming an ink image onto an ink receiving medium, a liquid absorbing step of performing liquid absorption treatment in which an aqueous liquid component is at least partially absorbed by a porous body from the ink image, by contacting a liquid absorbing surface of the porous body of a liquid absorbing member with the ink image in a liquid absorption treatment region, and a conveying step of conveying the porous body conveyed from the liquid absorption treatment region to the liquid absorption treatment region again. The method also includes a porous body checking step of forming a test pattern for testing an image quality, detecting the image quality of the test pattern, subjected to the liquid absorbing step, by an image quality detecting device, and determining a state of the porous body from obtained detection results.

Abstract: An ink jet recording method includes a step of forming a first image containing a first liquid and a coloring material on an ink receiving medium and a liquid absorbing step of bringing a liquid absorbing member including a porous body into contact with the first image to absorb at least some of the first liquid from the first image to form a second image.

Abstract: An inkjet recording method of the present invention comprises forming an ink image by ejecting ink on an ejection receiving medium by an inkjet head including a recording element substrate having an energy generation element, a pressure chamber, and an ejection port, wherein the ink is circulated between the inside of the pressure chamber and the outside of the pressure chamber; and removing at least a portion of a liquid component from the ink image by bringing a liquid absorbing member into contact with the ink image, wherein the ink contains 5 to 30 mass % of a water-soluble organic solvent having a bp of 110° C. or more, and 50 mass % or more of the water-soluble organic solvent contained in the ink image and having a bp of 110° C. or more is removed from the ink image in the removal of at least a portion of a liquid component from the ink image.

Abstract: An inkjet recording apparatus includes an ejection head configured to eject an ink to form an image, a head heater configured to heat the ejection head to a temperature T1 and a control unit configured to control the temperature of the ejection head and the temperature at an image forming position by the ejection head. The control unit controls heating of the ejection head by the head heater and the temperature at the image forming position in such a way that the temperature of the ejection head is higher than the temperature at the image forming position.

Abstract: A porous body that includes a first porous layer including a first resin, a second porous layer including a second resin, and a third porous layer including a third resin in this order. The second porous layer has a portion where no material is present when viewed in a thickness direction.

Abstract: An ink jet printing method includes forming a pattern adapted to estimate transferability by applying an ink and an auxiliary liquid onto an image forming surface of a transfer member, and transferring the pattern onto a printing medium. The pattern includes a plurality of unit images, each including an estimation ink image formed with the ink and having an auxiliary liquid-applied region including the estimation ink image. The unit images vary in amount of the auxiliary liquid applied for the estimation ink image for estimation.

Abstract: An ink jet recording apparatus includes an image forming unit configured to form an image containing a liquid and a coloring material on an ink receiving medium; a liquid absorbing member including a porous body that comes into contact with the image, the porous body being configured to absorb at least a part of the liquid from the image; and a plurality of pressure applying units configured to press the image on the ink receiving medium by the porous body. The plurality of pressure applying units include a first pressure applying unit configured to press the image at a first pressure and a second pressure applying unit configured to press the image having been pressed by the first pressure applying unit at a second pressure higher than the first pressure.

Abstract: There is provided an ink jet printing method including: an image forming process of applying ink onto an image forming surface of a transfer body to form a first intermediate image; an auxiliary liquid applying process of applying an auxiliary liquid containing a thermoplastic resin onto the first intermediate image on the transfer body to form a second intermediate image; and a transferring process of contacting the second intermediate image on the transfer body with a printing medium and separating the second intermediate image from the transfer body while maintaining a contact state with the printing medium to transfer the second intermediate image to the printing medium, wherein in the auxiliary liquid applying process, an area difference between an area of a first intermediate image and an area of an auxiliary liquid application area in the image forming surface is adjusted.

Abstract: An ink jet printing apparatus including: an image forming unit which forms an ink image containing an aqueous liquid component and a coloring material, including a reaction solution applying unit and an ink applying unit; and a liquid absorbing unit for absorbing at least a portion of a liquid component from the ink image by bringing a porous body into contact with the ink image, the liquid absorbing unit including a liquid absorbing member having the porous body, wherein the ink applying unit includes a liquid ejection head including a plurality of printing element substrates each having an element which generates energy that is utilized for discharging a liquid, a pressure chamber which has the element in the inside, and a plurality of ejection orifices which discharge a liquid, and the ink is circulated between the inside of the pressure chamber and the outside of the pressure chamber.

Abstract: An inkjet recording method includes applying an aqueous ink and a reaction liquid for increasing the viscosity of the ink to an ejection target medium to form an ink image thereon. The ink image is then subjected to a liquid absorbing treatment using a porous body having a liquid absorbing surface. In the liquid absorption treatment, the liquid absorbing surface is brought into contact with the ink image to absorb at least a part of the liquid component from the ink image by the porous body and the porous body is used repeatedly while it is sometimes carried out from the liquid absorption treatment region for cleaning. Contact information of the porous body including the number of contact times and a contact pressure in each contact is stored and the gas permeability state of the porous body is evaluated by using such contact information.

Abstract: An ink jet recording apparatus includes: an image forming unit for forming an ink image containing a liquid component and a coloring material on a moving ink receiving medium; and a liquid absorbing unit having a liquid absorbing member which absorbs at least a part of the liquid component from the ink image by coming into contact with the ink image on the ink receiving medium, in which, in a moving direction of the ink receiving medium, a curvature radius R1 of the ink receiving medium at a contact start position between the liquid absorbing member and the ink image and a curvature radius R2 of the liquid absorbing member at the contact start position satisfy a relationship in which R1>0, R2<0, and |R1|?|R2|.

Abstract: An inkjet recording apparatus according to the present invention includes an ink image forming unit for forming an ink image on an ink receiving medium by applying ink and reaction liquid for increasing viscosity of the ink onto the ink receiving medium and a liquid absorbing member having a porous body to be brought into contact with the ink image in order to absorb the liquid component from the ink image. The porous body of the liquid absorbing member includes a first layer having a first surface to be brought into contact with the ink image before liquid absorption and a second surface that is a rear surface relative to the first surface, and a second layer held in contact with the second surface of the first layer. The thickness of the first layer is not less than 0.08 times of the average pore size of the second layer.

Abstract: A liquid ejection apparatus includes a liquid ejection head which is provided with a pressure chamber having, in the inside thereof, an energy-generating element, a transfer body onto which a liquid is ejected through the liquid ejection head to form an image, and a pressing unit which presses a recording medium against the transfer body to transfer the image formed on the transfer body onto the recording medium, wherein the liquid ejection apparatus further includes a heating unit for heating the transfer body during a period from the ejection of the liquid through the liquid ejection head and until the pressing of the recording medium by means of the pressing unit, and the liquid in the pressure chamber in the liquid ejection head is circulated between the pressure chamber and the outside of the pressure chamber.

Abstract: An inkjet recording method of the present invention comprises forming an ink image by ejecting ink on an ejection receiving medium by an inkjet head including a recording element substrate having an energy generation element, a pressure chamber, and an ejection port, wherein the ink is circulated between the inside of the pressure chamber and the outside of the pressure chamber; and removing at least a portion of a liquid component from the ink image by bringing a liquid absorbing member into contact with the ink image, wherein the ink contains 5 to 30 mass % of a water-soluble organic solvent having a bp of 110° C. or more, and 50 mass % or more of the water-soluble organic solvent contained in the ink image and having a bp of 110° C. or more is removed from the ink image in the removal of at least a portion of a liquid component from the ink image.

Abstract: An inkjet recording apparatus includes an ejection head configured to eject an ink to form an image, a head heater configured to heat the ejection head to a temperature T1 and a control unit configured to control the temperature of the ejection head and the temperature at an image forming position by the ejection head. The control unit controls heating of the ejection head by the head heater and the temperature at the image forming position in such a way that the temperature of the ejection head is higher than the temperature at the image forming position.

Abstract: An ink jet recording method of the present invention includes: forming an ink image by ejecting an ink onto a transfer body with an ink jet head in which a recording element substrate provided with an element generating energy to be used for ejecting the ink, a pressure chamber including the element inside, and an ejection orifice ejecting the ink is provided, and the ink in the pressure chamber is circulated between the pressure chamber and the outside of the pressure chamber; and transferring the ink image onto a recording medium by bringing the recording medium into contact with the transfer body on which the ink image is formed, wherein a viscosity of the ink is 2 mPa·s or more to 20L mPa·s or less.

Abstract: An ink jet printing method includes: an ink image forming step of forming an ink image onto an ink receiving medium; a liquid absorbing step of performing liquid absorption treatment in which an aqueous liquid component is at least partially absorbed by a porous body from the ink image by contacting a liquid absorbing surface of the porous body of a liquid absorbing member with the ink image in a liquid absorption treatment region; and a conveying step of conveying the porous body conveyed from the liquid absorption treatment region to the liquid absorption treatment region again, wherein the ink jet printing method further includes a porous body checking step of forming a test pattern for testing image quality, detecting image quality of the test pattern subjected to the liquid absorbing step by an image quality detecting device, and determining a state of the porous body from obtained detection results.

Abstract: An ink jet recording apparatus including: an image forming unit that forms a first image containing a first liquid and a coloring material on a transfer body; and a liquid absorbing device including a liquid absorbing member having a porous body coming in contact with the first image to at least partially absorb the first liquid from the first image, and a cleaning member coming in contact with the porous body to clean the porous body wherein surface free energy Y1 of the transfer body, surface free energy Y2 of the porous body, surface free energy Y3 of the cleaning member, and a dispersion force component Yd of surface free energy of the first image satisfy the following Equation (1): |Yd,?Y3|<|Yd,?Y1|<|Yd,?Y2|??(1).