Abstract: A recording apparatus includes a first nozzle row and a second nozzle row. A part of nozzles of the first nozzle row and the second nozzle row are overlapped in a predetermined alignment direction. A defective nozzle is included in the nozzles of the first nozzle row. The recording apparatus includes a processing unit that causes the nozzle closest to the defective nozzle in one side of the opposite sides in the alignment direction to be selected as a first complementary nozzle and the closest nozzle in the other side thereof to be selected as a second complementary nozzle among the nozzles in an overlap section of the second nozzle row with the first nozzle row, and complementary dots that complement a dot which is supposed to be formed by the defective nozzle to be formed by the first complementary nozzle and the second complementary nozzle.

Abstract: A recording apparatus includes a plurality of complementing units which form a complementing dot for complementing a dot to be formed using a defective nozzle; and a selection unit which selects any complementing unit from among the plurality of complementing units, in which the plurality of complementing units includes a substitute nozzle complementing unit which forms the complementing dot on the first raster using a substitute nozzle, without using a vicinity formation nozzle; and a combination complementing unit which forms a complementing dot on the first raster using the substitute nozzle, and on the second raster using the vicinity formation nozzle.

Abstract: A recording apparatus includes a plurality of complementing units which form a complementing dot for complementing a dot to be formed using a defective nozzle; and a selection unit which selects any complementing unit from among the plurality of complementing units, in which the plurality of complementing units includes a substitute nozzle complementing unit which forms the complementing dot on the first raster using a substitute nozzle, without using a vicinity formation nozzle; and a combination complementing unit which forms a complementing dot on the first raster using the substitute nozzle, and on the second raster using the vicinity formation nozzle.

Abstract: A recording apparatus is provided in which a recording medium and a plurality of nozzles including a plurality of nozzles for black which is lined up in a predetermined line-up direction to form black dots and a plurality of nozzles for color which is lined up in the line-up direction to form composite black dots move relatively in a relative movement direction that is different from the line-up direction. The recording apparatus includes a processing unit that forms composite black dots with a nozzle group included in the plurality of nozzles for color to complement dots which are to be formed by a failed nozzle included in the plurality of nozzles for black. The nozzle group includes a plurality of nozzles that is positioned differently in the line-up direction.

Abstract: A printing apparatus includes a printing head that includes a nozzle array, and a discharging control unit. The nozzle array is divided into a plurality of nozzle groups that is configured by a predetermined number of nozzles. The discharge control unit, when an abnormal nozzle having abnormal function of discharging the ink is included in any of the plurality of nozzle groups in a case of discharging the ink to a band area from the nozzle of each of the plurality of nozzle groups by assigning halftone data to the nozzle of each of the plurality of nozzle groups, assigns the halftone data assigned to the abnormal nozzle to the nozzle that is included in other pluralities of nozzle groups which are not the nozzle group including the abnormal nozzle according to a ratio that is a preset assignment ratio for each of the other pluralities of nozzle groups.

Abstract: A printing device which prints onto a printing medium comprising: a printing head; a control section which moves the printing head in a scanning direction and relatively moves either of the head or the printing medium in a direction which intersects with the scanning direction; and a discharge control section, wherein the printing head is provided with a plurality of color nozzle rows which are arranged to line up in the intersecting direction and where a plurality of nozzles which discharge the same color of color ink are arranged in the intersecting direction for each of the color nozzles rows, and a black ink nozzle row which is a nozzle row, which is arranged to line up with the color nozzle rows and discharges black ink, and which has a black ink nozzle group of the same number as the number of rows of the color nozzles.

Abstract: A recording apparatus records an image onto a recording medium by repeating processes of: ejecting liquid from a nozzle in a liquid ejecting head while the liquid ejecting head is scanning the recording medium in a first direction; and transporting the recording medium in a second direction intersecting the first direction. This recording apparatus includes: an inclination acquisition section that acquires an inclination of the liquid ejecting head; and a recording controller that records a first image and a second image onto the recording medium through a first scan and a second scan independent of the first scan, respectively. The recording controller corrects a connection misalignment between the first and second images by displacing a recorded location of the second image in the first direction in accordance with the inclination, and reduces the displacement when a non-recorded region is present between the first and second images.

Abstract: A recording method in which dot omission pixels that are contiguous in a scanning direction due to defective nozzles included in a plurality of black nozzles and neighboring pixels that neighbor the dot omission pixels in a direction that intersects the scanning direction are included in a plurality of pixels that configure the printed image; and black ink droplets that form black dots for complement are discharged from the black nozzles to the neighboring pixels along with discharging color ink droplets that form the composite black dots for complement on the dot omission pixels from color nozzles when complementing the dots due to the defective nozzles.

Abstract: A printing control apparatus is configured to use a recording head where a plurality of nozzles are arranged in a row formation with a predetermined pitch, and configured to perform interlace printing such that a resolution is equal to or more than a resolution that is based on the pitch when printing is performed due to ink droplets being discharged from each of the nozzles. The printing control apparatus includes a dischargeable amount acquiring section configured to determine a dischargeable amount per unit of time according to a remaining amount of ink in an ink cartridge, and a split printing control section configured to split a predetermined region in one band an odd number of times according to the dischargeable amount per unit of time, and configured to carry out interlace printing in each of split regions on an outward path and a return path.

Abstract: An ink jet printer in which a plurality of nozzles includes a failed nozzle that fails to discharge an ink droplet, a primary vicinal nozzle that forms a dot in an adjacent pixel which is adjacent in a direction intersecting a scanning direction to a dot-missing pixel which is caused by the failed nozzle and is continuous in the scanning direction, and a secondary vicinal nozzle that forms a dot in a secondary adjacent pixel which is adjacent to the adjacent pixel on the opposite side of the adjacent pixel from the dot-missing pixel, and a dot formation unit forms a dot by displacing the position of a dot formed by an ink droplet from the primary vicinal nozzle in the scanning direction and the position of a dot formed by an ink droplet from the secondary vicinal nozzle in the scanning direction.

Abstract: A printing control apparatus includes a split printing control section configured to split a region that is printable in one band into a plurality of regions according to a predetermined number of splits, and configured to carry out interlace printing in each of split regions on an outward path and a return path. The split printing control section is further configured to determine whether there is data where dots are applied in a region in a vicinity of a boundary of two of the split regions, which includes at least one of the two of the split regions that are adjacent to each other, based on printing data for each of the split regions, and configured to carry out printing by making the number of splits an odd number of times in a case where there is data where dots are applied.

Abstract: A printing control apparatus, which controls printing of a printing area including an overlapping area on which printing is performed through a plurality of scanning operations, includes a printing data generation section that generates sets of printing data each associated with a corresponding one of the plurality of scanning operations in the overlapping area on the basis of an image data targeted for printing. The printing data generation section performs correction in accordance with a color density of the overlapping area in the image data.

Abstract: An inkjet printer includes a print head, a nozzle position and a print control section. The print head includes a plurality of nozzles to eject ink. The nozzle position specifying section is configured to specify a position of a first nozzle of the plurality of nozzles that exhibits defective ejection of the ink. The print control section is configured to eject the ink from the plurality of nozzles based on image data. The print control section is configured to determine a density of second pixels, which are positioned adjacent to first pixels to be printed by the first nozzle that was specified, and a density of third pixels, which are positioned adjacent to the second pixels except the first pixels, based on the image data, and to correct to increase the density of the second pixels and to reduce the density of the third pixels.

Abstract: An image forming device comprising a pattern determining unit, when dots are formed continuously in a scan direction on a dot omission pixels within a designated range in the scan direction when according to recording data before supplementation of dots by a defective nozzle, and dots are formed continuously in the scan direction on adjacent pixels within the designated range, configured to determine a dot pattern after supplementation formed on a plurality of pixels based on the recording data so as to perform at least one of enlarging at least a portion of dots formed on the adjacent pixels within the designated range, and arranging dots in secondary adjacent pixels within the designated range, and a pattern forming unit configured to form the dot pattern after supplementation.

Abstract: An image forming device in which a plurality of nozzles are aligned in a designated alignment direction, wherein a plurality of pixels constituting a formed image includes dot omission pixels continuous in a scan direction by a defective nozzle included in the plurality of nozzles, and neighboring pixels within a designated distance in the alignment direction from the dot omission pixels, the image forming device comprising a pattern determining unit configured to determine a dot pattern after supplementation formed on neighboring pixels within designated range based on at least the number of dots to be formed on the pixels within the designated range including a portion of the dot omission pixels and a portion of the neighboring pixels according to recording data before supplementation of dots by the defective nozzle, and a pattern forming unit configured to form the dot pattern after supplementation.

Abstract: A printing device includes a required ink amount acquisition part, an ejectable amount acquisition part, and a division printing control part. The required ink amount acquisition part is configured to determine a required ink amount based on print data of a bandwidth over which ink is ejected by driving an ink head in a main scanning direction. The ejectable amount acquisition part is configured to determine an ejectable amount based on a residual amount in an ink cartridge. The division printing control part is configured to determine whether a printing for the bandwidth is performed by one time of a main scanning operation, or the printing is performed by dividing into multiple main scanning operations based on the required ink amount and the ejectable amount, and to perform the printing in accordance with the determination.

Abstract: Provided is a printing method using a printing apparatus. The printing apparatus includes a head that has a nozzle array, in which a plurality of nozzles for ejecting a black pigment ink is arranged, and a nozzle array in which a plurality of nozzles for ejecting a color ink is arranged. The printing method includes: a step of acquiring image data of an image to be printed on a medium; a step of ejecting the black pigment ink onto the medium on the basis of the image data; and a step of ejecting the color ink onto the medium on the basis of the image data. A supply capability of the pigment ink supply section is higher than a supply capability of the color ink supply section.

Abstract: An inkjet printer includes a print head, a nozzle position and a print control section. The print head includes a plurality of nozzles to eject ink. The nozzle position specifying section is configured to specify a position of a first nozzle of the plurality of nozzles that exhibits defective ejection of the ink. The print control section is configured to eject the ink from the plurality of nozzles based on image data. The print control section is configured to determine a density of second pixels, which are positioned adjacent to first pixels to be printed by the first nozzle that was specified, and a density of third pixels, which are positioned adjacent to the second pixels except the first pixels, based on the image data, and to correct to increase the density of the second pixels and to reduce the density of the third pixels.

Abstract: An inkjet printer includes a print head, a nozzle position specifying section and a print control section. The print head includes a plurality of nozzles to eject ink. The nozzle position specifying section is configured to specify a position of a first nozzle that exhibits defective ejection. The print control section is configured to print dots in a plurality of sizes. The print control section is configured to change a dot size of a dot to be printed by a second nozzle, which is positioned adjacent to the first nozzle, to a larger size than a dot size specified in an image data, and to change a dot size of a dot to be printed by a third nozzle, which is positioned adjacent to the second nozzle, to a smaller size than the dot to be printed by the second nozzle after the change.

Abstract: A print control apparatus is configured to control a print head adapted to discharge ink droplets of a plurality of sizes to execute printing. The print control apparatus includes a print control unit configured to acquire a gradation value of an ink color based on image data and to determine whether or not to discharge an ink droplet of one of the plurality of sizes based on the gradation value. The print control unit is configured to determine that the ink droplet to be discharged is the ink droplet of a first size or smaller when the gradation value belongs to a maximum value-side partial range including a maximum value, and to determine that the ink droplet to be discharged is only the ink droplet of the first size when the gradation value belongs to a range towards a minimum value-side than the partial range.