Abstract: The image forming apparatus comprises: a recording head which includes a plurality of nozzles through which droplets of liquid are ejected to and deposited on a recording medium to form dots on the recording medium, the nozzles being arranged in a nozzle row; a conveyance device which causes the recording head and the recording medium to move relatively to each other by conveying at least one of the recording head and the recording medium in a relative movement direction; a storage device which, of information indicating an amount of deposition position displacement from an ideal deposition position of the dots formed by the droplets ejected from the nozzles, stores information about the amount of deposition position displacement in at least a direction perpendicular to the relative movement direction of the conveyance device; a line figure recognition processing device which carries out processing for recognizing line figures from image data for printing; an ideal line identification device which determines

Abstract: The liquid droplet ejection apparatus comprises: a plurality of ejection ports which eject droplets to form dots on a recording medium to form an image on the recording medium; and a droplet ejection control device which, if a time interval during which one of the ejection ports does not eject any droplet exceeds a prescribed time period, and if an effect on the image, when a dot that is to be formed by a droplet ejected from the one of the ejection ports after the prescribed time period has elapsed is a defective dot, exceeds a tolerance limit, then causes the one of the ejection ports to perform an additional ejection of a droplet to form a corrected dot, in such a manner that the droplet is correctly ejected to form the dot of which the effect on the image would exceed the tolerance limit.

Abstract: A liquid droplet deposition method of consecutively depositing a plurality of droplets of liquid, which contains solvent and particles dispersed in the solvent and having a substantially uniform size, onto a recording medium includes the steps of: determining target positions at which the plurality of droplets are to be deposited on the recording medium; depositing an X-th droplet of the droplets at an X-th target position of the determined target positions on the recording medium, X being a natural number; and depositing an (X+1)-th droplet of the droplets at an (X+1)-th target position of the determined target positions on the recording medium subsequently to the X-th droplet, after the particles contained in the X-th droplet are aggregated to form an X-th particle aggregate on the recording medium due to liquid bridging force, wherein in the determining step, the target positions are determined so as to satisfy following conditions: L(CX,CX+1)?rX+r_maxX+1, and L(PX,CX+1)?r_maxX+1, where CX is the X-t

Abstract: A method forms a resin film on a substrate by depositing droplets of resin liquid by an inkjet method. The method includes: a first resin liquid arrangement step of arranging a plurality of droplets of a first resin liquid separately from each other on a substrate in such a manner that the droplets do not make contact with each other; a first resin liquid curing step of curing at least a surface of each of the droplets of the first resin liquid arranged on the substrate; a second resin liquid arrangement step of arranging a plurality of droplets of a second resin liquid at substantially central positions between the droplets of the first resin liquid on the substrate, after the at least the surface of each of the droplets of the first resin liquid is cured; and a second resin liquid curing step of curing the droplets of the second resin liquid arranged on the substrate.

Abstract: The image forming apparatus comprises: an ink application device which applies ink to a recording medium; a treatment liquid application device which applies treatment liquid which causes the ink to increase in viscosity or solidify, by reacting with the ink; an image processing device which generates image data of multiple values from an input image; a block dividing device which divides an image region to be formed on the recording medium according to the image data into a plurality of blocks; an evaluation value calculation device which calculates an evaluation value for each of the blocks for judging an application of the treatment liquid to each of the blocks, according to the image data; and a treatment liquid application control device which controls a mode of applying the treatment liquid to each of the blocks, by comparing the evaluation value with a previously established threshold value.

Abstract: The inkjet recording apparatus initially deposits ink on a front surface of a recording medium and subsequently deposits ink on a rear surface of the recording medium in such a manner that images are formed by the ink on the front surface and the rear surface of the recording medium, wherein, when time after depositing the ink on a first region of the front surface of the recording medium until depositing the ink on a second region of the rear surface of the recording medium which corresponds to the first region is taken to be ?T1 (sec) and viscosity of the ink to be deposited on the first region and the second region of the recording medium is taken to be ? (mPa·sec), then the inkjet recording apparatus deposits the ink on the first region and the second region in such a manner that a following relationship is satisfied: ?T1<0.45×?.

Abstract: The image forming method of ejecting liquid droplets containing coloring material toward a recording medium from nozzles including main nozzles and subsidiary nozzles of nozzle rows of a recording head while causing relative movement between the recording medium and the recording head in a relative movement direction that is substantially perpendicular to a direction of alignment of the nozzles of each of the nozzle rows in such a manner that an image is formed by the coloring material on a recording medium, wherein the nozzle rows include first and second nozzle rows which have the main nozzles corresponding to a same coloring material of a particular color and at least one subsidiary nozzle row which includes the subsidiary nozzles corresponding to the same coloring material of the particular color; the first and second nozzle rows and the at least one subsidiary nozzle row are respectively arranged at different positions in terms of the relative movement direction; the at least one subsidiary nozzle row is

Abstract: The inkjet recording apparatus comprises: an ink ejection head in which a plurality of ink ejection ports ejecting ink are arranged; a treatment liquid ejection head in which a plurality of treatment liquid ejection ports ejecting treatment liquid are arranged; a banding information acquisition device which acquires information identifying a location where banding occurs in a dot arrangement recorded onto a recording medium by the ink ejected from the ink ejection head; an ink droplet ejection control device which controls a volume of the ink ejected by the ink ejection head according to image data; and a treatment liquid droplet ejection control device which controls droplet ejection of the treatment liquid from the treatment liquid ejection head by controlling a volume of the treatment liquid ejected from the treatment liquid ejection ports corresponding to the location where the banding occurs, as identified by the banding information acquisition device, in accordance with the volume of the ink in such a m

Abstract: The inkjet recording apparatus has: an ink droplet ejection device which ejects a droplet of an ink containing a coloring material; a treatment liquid deposition device which deposits a treatment liquid that causes the coloring material contained in the ink to aggregate so as to create a coloring material aggregate; and an absorbing body which absorbs a solvent of a mixed liquid including the ink ejected as the droplet by the ink droplet ejection device and the treatment liquid deposited by the treatment liquid deposition device, wherein solvent absorption holes having an opening diameter larger than a spreading width of the coloring material aggregate in the mixed liquid on a surface of a recording body are formed in a surface of the absorbing body.

Abstract: A method determines a color ink deposition order when inks of a plurality of colors are overlapped on one another to form an image on a recording medium. The method comprises the steps of: obtaining information on OD_?(?) concerning an ink of a first color ? and OD_?(?) concerning an ink of a second color ?, where OD_?(?) is a reflection density in a range of a color complementary to the second color ? in a deposition sample obtained when only the ink of the first color ? is deposited, and OD_?(?) is a reflection density in a range of a color complementary to the first color ? in a deposition sample obtained when only the ink of the second color ? is deposited; and determining the color ink deposition order so that of one of the inks of the first color ? and the second color ? which one corresponds to smaller one of OD_?(?) and OD_?(?) is first deposited and the other of the inks of the first color ? and the second color ? is subsequently deposited.

Abstract: The image forming apparatus includes: a first group of large nozzles which eject large droplets of liquid for a color; a second group of small nozzles which eject small droplets of the liquid for the color, the small droplets having volume smaller than the large droplets; a dot data creation device which creates dot data according to input image data; a dot data correction device which corrects the dot data if there is an abnormal nozzle in one of the first and second groups, in such a manner that a corrective nozzle is selected from the other of the first and second groups, and droplet ejection performed by the corrective nozzle substitutes for droplet ejection that is originally to be performed by the abnormal nozzle; and a driving device which drives the large and small nozzles to eject the large and small droplets according to the corrected dot data.

Abstract: The image forming apparatus includes: large nozzles which eject large droplets of liquid, the large droplets being deposited onto a recording medium and forming large dots; small nozzles which eject small droplets of the liquid of volume smaller than the large droplets, the small droplets being deposited onto the recording medium and forming small dots smaller than the large dots; a color conversion processing device which converts input image data into ink volume data; a dot information acquisition device which acquires dot information relating to the large dots and the small dots on the recording medium; and a correction processing device which corrects the ink volume data according to the dot information.

Abstract: The image forming apparatus comprises: an image forming device which includes an intermediate transfer body having a transfer surface on which an image is formed according to a first image data, the image forming device performing a transfer of the image onto a recording medium from the transfer surface; a transfer state determination device which determines a state of the transfer surface after the transfer of the image onto the recording medium has been performed; and an image correction device which corrects a second image data corresponding to an image formed on the transfer surface, according to the state of the transfer surface determined by the transfer state determination device.

Abstract: The image forming apparatus comprises: an applying device that applies a first liquid containing a diffusion preventing agent for a coloring material, onto a recording medium; a droplet depositing device that deposits a second liquid containing the coloring material, onto the recording medium onto which the first liquid has been applied; a radiation irradiating device that radiates radiation onto the recording medium onto which the second liquid has been deposited; and a controlling device that controls a time from the second liquid being deposited to the second liquid being irradiated with the radiation, according to deposition data for the droplet depositing device.

Abstract: The image forming apparatus includes: a liquid ejection head including a plurality of nozzles, the liquid ejection head ejecting a first liquid containing a coloring material through the nozzles onto a recording medium while the liquid ejection head and the recording medium are relatively moved in a first direction; an abnormal nozzle identifying device which identifies, out of the nozzles, an abnormal nozzle for which an error in a landing position of the first liquid on the recording medium with respect to a second direction orthogonal to the first direction is not less than a predetermined amount; and a correcting device which corrects dot data in such a manner that a second dot on the recording medium formed from the first liquid subsequently ejected from the abnormal nozzle makes contact with at least part of a first dot on the recording medium formed from the first liquid previously ejected from the abnormal nozzle.

Abstract: The droplet deposition position error measurement method, comprises the steps of: ejecting liquid droplets from a liquid ejection head including a plurality of liquid droplet ejection ports in such a manner that the liquid droplets are deposited on a recording medium; determining an amount of a droplet deposition position error with respect to an ideal droplet deposition position on a recording surface of the recording medium, according to a droplet deposition result obtained from the liquid droplets on the recording medium; separating a first error component caused by an error in a relative position between the liquid ejection head and the recording medium, and a second error component caused by an error in an ejection direction of each of the liquid droplet ejection ports, from the determined amount of the droplet deposition position error; and obtaining error information relating to at least one of the first and second error components.

Abstract: The liquid droplet ejection apparatus comprises: a plurality of ejection ports which eject droplets to form dots on a recording medium to form an image on the recording medium; and a droplet ejection control device which, if a time interval during which one of the ejection ports does not eject any droplet exceeds a prescribed time period, and if an effect on the image, when a dot that is to be formed by a droplet ejected from the one of the ejection ports after the prescribed time period has elapsed is a defective dot, exceeds a tolerance limit, then causes the one of the ejection ports to perform an additional ejection of a droplet to form a corrected dot, in such a manner that the droplet is correctly ejected to form the dot of which the effect on the image would exceed the tolerance limit.

Abstract: The inkjet recording apparatus comprises: an ink ejection head in which a plurality of ink ejection ports ejecting ink are arranged; a treatment liquid ejection head in which a plurality of treatment liquid ejection ports ejecting treatment liquid are arranged; a banding information acquisition device which acquires information identifying a location where banding occurs in a dot arrangement recorded onto a recording medium by the ink ejected from the ink ejection head; an ink droplet ejection control device which controls a volume of the ink ejected by the ink ejection head according to image data; and a treatment liquid droplet ejection control device which controls droplet ejection of the treatment liquid from the treatment liquid ejection head by controlling a volume of the treatment liquid ejected from the treatment liquid ejection ports corresponding to the location where the banding occurs, as identified by the banding information acquisition device, in accordance with the volume of the ink in such a m

Abstract: A method determines a color ink deposition order when inks of a plurality of colors are overlapped on one another to form an image on a recording medium. The method comprises the steps of: obtaining information on OD_?(?) concerning an ink of a first color a and OD_?(?) concerning an ink of a second color ?, where OD_?(?) is a reflection density in a range of a color complementary to the second color ? in a deposition sample obtained when only the ink of the first color a is deposited, and OD_?(?) is a reflection density in a range of a color complementary to the first color ? in a deposition sample obtained when only the ink of the second color ? is deposited; and determining the color ink deposition order so that of one of the inks of the first color ? and the second color ? which one corresponds to smaller one of OD_?(?) and OD_?(?) is first deposited and the other of the inks of the first color a and the second color ? is subsequently deposited.

Abstract: The inkjet recording apparatus comprises: an ink ejection head which forms a desired image by ejecting an ink toward a recording medium; a treatment liquid ejection head which deposits a treatment liquid on the recording medium by ejecting the treatment liquid toward the recording medium, the treating liquid reacting with the ink on the recording medium; a treatment liquid application device which deposits the treatment liquid on the recording medium by applying the treatment liquid to the recording medium; and a treatment liquid deposition control device which controls so that the treatment liquid is deposited on the recording medium by using at least one of the treatment liquid ejection head and the treatment liquid application device.