Abstract: Disclosed is an ink jet recording device including: a conveyer that conveys a long sheet-shaped base material in a flatly extended state; a single-pass ink jet printer that ejects ink from multiple nozzles that are arranged in a width direction of the base material, so as to performs printing on the base material conveyed by the conveyer; and a controller that controls the conveyer to change a conveyance speed of the base material relative to the printer between a first conveyance speed and a second conveyance speed that are different from each other, wherein the controller controls the printer to form cut position information on the base material before start of changing the conveyance speed between the first conveyance speed and the second conveyance speed and after completion of changing the conveyance speed between the first conveyance speed and the second conveyance speed.

Abstract: A liquid ejection apparatus includes a plurality of liquid ejection heads, a plurality of elastic wiper blades for rubbing the nozzle formed surfaces of the liquid ejection heads, a blade cleaner for removing liquid adhered to the wiper blade, a cleaning unit for removing liquid adhered to the wiper blades, a wiper blade moving unit for respectively and independently moving the plurality of wiper blades between a rubbing position and a retreating position, and a control unit that controls the wiper blade moving unit so that the cleaning unit can make the blade cleaner and the moved wiper blades rub with each other. Herein, it is possible to maintain cleaning performance, preventing contamination of a wiper blade caused by liquid splashed from a neighboring wiper blade.

Abstract: An inkjet printer includes: a recording head which includes jet openings for jetting ink; a sensor for detecting a jet opening causing jetting failure among the jet openings; a sucking mechanism for sucking the ink from each jet opening; a comparing section for comparing number of the detected jet opening causing jetting failure with predetermined number; and a control section for performing a sucking process where the sucking mechanism performs a sucking operation, for performing an examination process to count the jet opening causing jetting failure by the detection of the sensor and by simulated jetting of each jet opening, for performing a comparing process where the comparing section performs a comparing operation after the examination process, and for re-performing the examination process without performing the sucking process when judged in the comparing process that the number of the jet opening causing jetting failure is more than the predetermined number.

Abstract: An ink jet printer having: a main tank to store ink; a recording head to form an image on a recording medium by jetting the ink from a nozzle; an ink supply path to supply the ink to the recording head from the main tank; a sub tank to temporarily store the ink supplied from the main tank, the sub tank being provided in the middle of the ink supply path; an ink supply valve to control to supply or stop supplying the ink from the main tank to the sub tank by an opening or closing the ink supply valve, the ink supply valve being provided between the main tank and the sub tank on the ink supply path; and a control unit to measure a cumulative time in which the ink supply valve becomes an opened state, and estimate a remaining ink amount in the main tank.

Abstract: A liquid ejection apparatus includes a plurality of liquid ejection heads, a plurality of elastic wiper blades for rubbing the nozzle formed surfaces of the liquid ejection heads, a blade cleaner for removing liquid adhered to the wiper blade, a cleaning unit for removing liquid adhered to the wiper blades, a wiper blade moving unit for respectively and independently moving the plurality of wiper blades between a rubbing position and a retreating position, and a control unit that controls the wiper blade moving unit so that the cleaning unit can make the blade cleaner and the moved wiper blades rub with each other. Herein, it is possible to maintain cleaning performance, preventing contamination of a wiper blade caused by liquid splashed from a neighboring wiper blade.

Abstract: A recording method comprising the steps in the following order of: correcting a curl of a recording medium by applying heat and pressure to the recording medium; and forming an image on the recording medium by jetting ink onto the recording medium.

Abstract: An ink jet printer having: a main tank to store ink; a recording head to form an image on a recording medium by jetting the ink from a nozzle; an ink supply path to supply the ink to the recording head from the main tank; a sub tank to temporarily store the ink supplied from the main tank, the sub tank being provided in the middle of the ink supply path; an ink supply valve to control to supply or stop supplying the ink from the main tank to the sub tank by an opening or closing the ink supply valve, the ink supply valve being provided between the main tank and the sub tank on the ink supply path; and a control unit to measure a cumulative time in which the ink supply valve becomes an opened state, and estimate a remaining ink amount in the main tank.

Abstract: The present invention concerns an image recording apparatus, which records images on a roll-type recording medium. The image recording apparatus includes a recording device to record an image on a recording medium by emitting ink onto the recording medium; a cutting member to cut the recording medium after the recording device records the image, the cutting member being disposed downstream in respect to the recording device in a conveying-direction of the recording medium; a second conveyance member to convey the recording medium, the second conveyance member being disposed at a position located between the recording device and the cutting member in the conveying-direction of the recording medium; and a conveyance controller to control the second conveyance member so as to generate a slack of the recording medium at a section between the recording device and the second conveyance member in the conveying-direction of the recording medium.

Abstract: An inkjet printer includes: a recording head which includes jet openings for jetting ink; a sensor for detecting a jet opening causing jetting failure among the jet openings; a sucking mechanism for sucking the ink from each jet opening; a comparing section for comparing number of the detected jet opening causing jetting failure with predetermined number; and a control section for performing a sucking process where the sucking mechanism performs a sucking operation, for performing an examination process to count the jet opening causing jetting failure by the detection of the sensor and by simulated jetting of each jet opening, for performing a comparing process where the comparing section performs a comparing operation after the examination process, and for re-performing the examination process without performing the sucking process when judged in the comparing process that the number of the jet opening causing jetting failure is more than the predetermined number.

Abstract: A fixing belt or a fixing roller for fixing an ink jet image recorded on an ink jet recording material by heat, the fixing belt comprising a base material having thereon a surface layer contacting the ink jet recording material during fixing, the fixing roller comprising a heating roller and a pressure roller having base materials A and B, respectively, at least one of the heating roller and the pressure roller having a. surface layer contacting the ink jet recording material during fixing, wherein the surface layer has a peel strength of not less than 30 g/5 cm or a pencil hardness of HB or more, and the surface layer is produced by a method comprising the steps of: coating a hardenable silicone on the base material by a dip coating; and hardening the coated hardenable silicone by heat.

Abstract: A recording method comprising the steps in the following order of: correcting a curl of a recording medium by applying heat and pressure to the recording medium; and forming an image on the recording medium by jetting ink onto the recording medium.

Abstract: A fixing belt or a fixing roller for fixing an ink jet image recorded on an ink jet recording material by heat, the fixing belt comprising a base material having thereon a surface layer contacting the ink jet recording material during fixing, the fixing roller comprising a heating roller and a pressure roller having base materials A and B, respectively, at least one of the heating roller and the pressure roller having a surface layer contacting the ink jet recording material during fixing, wherein the surface layer has a peel strength of not less than 30 g/5 cm or a pencil hardness of HB or more, and the surface layer is produced by a method comprising the steps of: coating a hardenable silicone on the base material by a dip coating; and hardening the coated hardenable silicone by heat.

Abstract: An inkjet recording apparatus is provided with a recording head to conduct recording by jetting an ink onto a recording medium having an ink receiving layer containing thermoplastic in particles on a surface thereof and a pigment ink solvent absorbing layer adjoining to an inner side of the ink receiving layer; a heating and pressing device to heat and press the recording medium so as to make the ink receiving layer of the recording medium to be transparent; a conveyor to convey the recording medium to the recording head and further to the heating and pressing device; and a temperature controller to control a heating temperature by the heating and pressing device within a range of T0±&Dgr;T° C., where T0 is 50 to 150° C. and &Dgr;T is not larger than 10° C.

Abstract: A master cylinder including a cylinder body having a cylindrical bore and an opening in the circumferential wall for a relief port communicating with the interior of hydraulic reservoir. A piston is slidably inserted into the cylindrical bore to form a hydraulic pressure generating chamber in the cylindrical bore. A cup seal is provided with an inner circumferential lip portion contacting with the piston, an outer circumferential lip portion slidably contacting with the inner circumferential wall of the cylindrical bore, and a base portion connecting the lip portions, which are so arranged as to face to the hydraulic pressure generating chamber. The cup seal cuts the communication between the hydraulic pressure generating chamber and the hydraulic reservoir through the relief port when the top end of the outer circumferential lip portion passes by the relief port.

Abstract: A recording method comprising the steps in the following order of: correcting a curl of a recording medium by applying heat and pressure to the recording medium; and forming an image on the recording medium by jetting ink onto the recording medium.

Abstract: A recording method comprising the steps in the following order of: correcting a curl of a recording medium by applying heat and pressure to the recording medium; and forming an image on the recording medium by jetting ink onto the recording medium.

Abstract: A fixing belt or a fixing roller for fixing an ink jet image recorded on an ink jet recording material by heat, the fixing belt comprising a base material having thereon a surface layer contacting the ink jet recording material during fixing, the fixing roller comprising a heating roller and a pressure roller having base materials A and B, respectively, at least one of the heating roller and the pressure roller having a surface layer contacting the ink jet recording material during fixing, wherein the surface layer has a peel strength of not less than 30 g/5 cm or a pencil hardness of HB or more, and the surface layer is produced by a method comprising the steps of: coating a hardenable silicone on the base material by a dip coating; and hardening the coated hardenable silicone by heat.

Abstract: In a master cylinder including: a cylinder body having a cylindrical bore and an opening made in the circumferential wall, for a relief port communicating with the interior of hydraulic reservoir, a piston inserted slidably into said cylindrical bore to form a hydraulic pressure generating chamber in said cylindrical bore; and a cup seal having an inner circumferential lip portion contacting with said piston, an outer circumferential lip portion slidably contacting with the inner circumferential wall of said cylindrical bore, and a base portion connecting said lip portions which are so arranged as to face to said hydraulic pressure generating chamber, whereby said cup seal cuts the communication between said hydraulic pressure generating chamber and said hydraulic reservoir through said relief port when the top end of said outer circumferential lip portions passes by said relief port, the improvement in which means for rotating said cup seal relative to said cylindrical bore with the movement of said piston i

Abstract: An inkjet recording apparatus is provided with a recording head to conduct recording by jetting an ink onto a recording medium having an ink receiving layer containing thermoplastic in particles on a surface thereof and a pigment ink solvent absorbing layer adjoining to an inner side of the ink receiving layer; a heating and pressing device to heat and press the recording medium so as to make the ink receiving layer of the recording medium to be transparent; a conveyor to convey the recording medium to the recording head and further to the heating and pressing device; and a temperature controller to control a heating temperature by the heating and pressing device within a range of T0±&Dgr;T° C., where T0 is 50 to 150° C. and AT is not larger than 10° C.

Abstract: The present invention concerns an image recording apparatus, which records images on a roll-type recording medium. The image recording apparatus includes a recording device to record an image on a recording medium by emitting ink onto the recording medium; a cutting member to cut the recording medium after the recording device records the image, the cutting member being disposed downstream in respect to the recording device in a conveying-direction of the recording medium; a second conveyance member to convey the recording medium, the second conveyance member being disposed at a position located between the recording device and the cutting member in the conveying-direction of the recording medium; and a conveyance controller to control the second conveyance member so as to generate a slack of the recording medium at a section between the recording device and the second conveyance member in the conveying-direction of the recording medium.