Abstract: A printing apparatus includes a transport unit, a printing unit, a reading unit, and a control unit configured to control the transport unit and the printing unit to perform first printing processing and second printing processing, wherein the control unit prints, in the first printing processing, a code group including a first code of a first size and a second code of a second size larger than the first size on a first medium that is the medium, acquires reading data that is a result of reading, by the reading unit, of the code group printed on the first medium, determines a code size to be adopted for the second printing processing based on the reading data, and, in the second printing processing, prints a third code of the code size on a medium of the same type as that of the first medium.

Abstract: An image processing apparatus includes a print data generating unit that generates print data for printing an image with ink, the print data defining, for each of pixels of the image, non-formation of a dot or formation of a dot of any size of a plurality of sizes, and a mist calculating unit that calculates, based on first print data of the print data generated by the print data generating unit, a mist generation amount of the ink, in which the print data generating unit is configured to generate, when the mist generation amount exceeds a predetermined threshold value, second print data of the print data in which a formation ratio of the dot of a relatively large size among the plurality of sizes is higher than the formation ratio in the first print data of the print data.

Abstract: A printing apparatus includes a first printing unit including a plurality of nozzles configured to eject ink onto a medium, a second printing unit configured to perform printing on the medium using a special liquid, a defective nozzle detector configured to detect a defective nozzle among the plurality of nozzles, and a control unit configured to control the first printing unit and the second printing unit. The special liquid is a liquid rendered invisible depending on an elapsed time after printing on the medium or an environment in which a printed result on the medium is visually recognized.

Abstract: A printing apparatus includes a printing head configured to eject ink onto a medium based on print data, a carriage that is mounted with the printing head and that is configured to reciprocate along a main scanning direction, a control unit configured to control the carriage and the printing head and execute a pass corresponding to ink ejection of the printing head along with movement of the carriage, and a colorimetric unit configured to measure density on the medium when the pass is completed.

Abstract: A printing apparatus includes a transport unit, a printing unit, a reading unit, and a control unit configured to control the transport unit and the printing unit to perform first printing processing and second printing processing, wherein the control unit prints, in the first printing processing, a code group including a first code of a first size and a second code of a second size larger than the first size on a first medium that is the medium, acquires reading data that is a result of reading, by the reading unit, of the code group printed on the first medium, determines a code size to be adopted for the second printing processing based on the reading data, and, in the second printing processing, prints a third code of the code size on a medium of the same type as that of the first medium.

Abstract: A pixel that is a target pixel being a processing target of a first multi-valuing unit is regarded as a first target pixel. A pixel that belongs to a pixel row adjacent to the pixel row to which the first target pixel belongs in the image data before conversion and is a target pixel being a processing target of a second multi-valuing unit is regarded as a second target pixel. A conversion unit converts the pixel array in the image data so that the first target pixel and the second target pixel are stored at serial addresses in a memory. An error diffusion processing unit performs multi-valuing by the first multi-valuing unit for the first target pixel in the image data after conversion and multi-valuing by the second multi-valuing unit for the second target pixel in the image data after conversion in a parallel manner.

Abstract: A pixel that is a target pixel being a processing target of a first multi-valuing unit is regarded as a first target pixel. A pixel that belongs to a pixel row adjacent to the pixel row to which the first target pixel belongs in the image data before conversion and is a target pixel being a processing target of a second multi-valuing unit is regarded as a second target pixel. A conversion unit converts the pixel array in the image data so that the first target pixel and the second target pixel are stored at serial addresses in a memory. An error diffusion processing unit performs multi-valuing by the first multi-valuing unit for the first target pixel in the image data after conversion and multi-valuing by the second multi-valuing unit for the second target pixel in the image data after conversion in a parallel manner.

Abstract: An image processing apparatus includes a print data generating unit that generates print data for printing an image with ink, the print data defining, for each of pixels of the image, non-formation of a dot or formation of a dot of any size of a plurality of sizes, and a mist calculating unit that calculates, based on first print data of the print data generated by the print data generating unit, a mist generation amount of the ink, in which the print data generating unit is configured to generate, when the mist generation amount exceeds a predetermined threshold value, second print data of the print data in which a formation ratio of the dot of a relatively large size among the plurality of sizes is higher than the formation ratio in the first print data of the print data.

Abstract: A printing control apparatus includes a control unit. Provided that n is an integer equal to or greater than one, the control unit configured to perform printing control processing including a plurality of types of processing configured to be performed simultaneously is configured to, in the printing control processing performed for an n-th time, write, to a first storage medium of the storage unit, n-th print data that is the print data generated in the printing control processing performed for an n-th time, and, in the printing control processing performed for an n+1-th time, write, to a second storage medium of the storage unit, n+1-th print data that is the print data generated in the printing control processing performed for an n+1-th time, and also read the n-th print data from the first storage medium and supply the n-th print data to the printing unit.

Abstract: A print control device includes a storage unit storing a color conversion LUT used for color conversion, a print data generating unit, and a print control unit. The color conversion LUT defines a correspondence relationship between color information of the ink color space, and a combination of temperature information indicating a temperature of the printing medium in the printing unit and color information of an input color space. The print data generating unit generates the print data by referring to the color conversion LUT to convert a combination of the input image data represented by the input color space and the temperature information input from the printing unit. The print control unit causes at least part of the printing by the printing unit to be executed in parallel with the generation of the print data by the print data generating unit.

Abstract: A printing apparatus includes a printing unit configured to move in a scanning direction, a color measuring unit configured to move in the scanning direction with the printing unit and perform colorimetry on patches, and a control unit configured to execute a scanning operation of moving the color measuring unit to pass the color measuring unit over the patches and thus cause the color measuring unit to read a wavelength of reflected light of the patches. The color measuring unit is configured to read light corresponding to a wavelength region selected from within a wavelength region of light divided into a plurality of wavelength regions. The control unit is configured to cause the color measuring unit to read, in one scanning operation, light corresponding to a portion of the plurality of wavelength regions of light to be read, perform a plurality of the scanning operations while changing the wavelength region of light to be read by the color measuring unit, and thus complete colorimetry of the patches.

Abstract: A print control device includes a storage unit storing a color conversion LUT used for color conversion, a print data generating unit, and a print control unit. The color conversion LUT defines a correspondence relationship between color information of the ink color space, and a combination of temperature information indicating a temperature of the printing medium in the printing unit and color information of an input color space. The print data generating unit generates the print data by referring to the color conversion LUT to convert a combination of the input image data represented by the input color space and the temperature information input from the printing unit. The print control unit causes at least part of the printing by the printing unit to be executed in parallel with the generation of the print data by the print data generating unit.

Abstract: A printing control apparatus includes a control unit. Provided that n is an integer equal to or greater than one, the control unit configured to perform printing control processing including a plurality of types of processing configured to be performed simultaneously is configured to, in the printing control processing performed for an n-th time, write, to a first storage medium of the storage unit, n-th print data that is the print data generated in the printing control processing performed for an n-th time, and, in the printing control processing performed for an n+1-th time, write, to a second storage medium of the storage unit, n+1-th print data that is the print data generated in the printing control processing performed for an n+1-th time, and also read the n-th print data from the first storage medium and supply the n-th print data to the printing unit.

Abstract: A printing apparatus includes a printing unit configured to move in a scanning direction, a color measuring unit configured to move in the scanning direction with the printing unit and perform colorimetry on patches, and a control unit configured to execute a scanning operation of moving the color measuring unit to pass the color measuring unit over the patches and thus cause the color measuring unit to read a wavelength of reflected light of the patches. The color measuring unit is configured to read light corresponding to a wavelength region selected from within a wavelength region of light divided into a plurality of wavelength regions. The control unit is configured to cause the color measuring unit to read, in one scanning operation, light corresponding to a portion of the plurality of wavelength regions of light to be read, perform a plurality of the scanning operations while changing the wavelength region of light to be read by the color measuring unit, and thus complete colorimetry of the patches.

Abstract: A printer control apparatus that controls a printer executing printing based on print data, includes: a printer storage unit having a printing SSD in which reading and writing are executed in a unit of pages; a writing unit that writes print data to the printing SSD; a reading unit that reads print data from the printing SSD; and a reading and writing control unit that controls erasing of the print data that have been printed from the printing SSD according to a read state of the reading unit and causes the writing unit to write the new print data.

Abstract: An image processing device including a plurality of processors that execute arithmetic processing on image data, an information retaining portion that retains information related to arithmetic processing speeds of the plurality of processors, and a control portion that, among the image data, designates partial data to be processed by the respective processors and causes the plurality of processors to execute arithmetic processing, in which the control portion determines partial data for causing the plurality of processors to process on the basis of the information.

Abstract: A printer control apparatus that controls a printer executing printing based on print data, includes: a printer storage unit having a printing SSD in which reading and writing are executed in a unit of pages; a writing unit that writes print data to the printing SSD; a reading unit that reads print data from the printing SSD; and a reading and writing control unit that controls erasing of the print data that have been printed from the printing SSD according to a read state of the reading unit and causes the writing unit to write the new print data.

Abstract: A storage section configured to store image data of a raster form therein, a processing section configured to process the image data in a unit of an image block having a predetermined block size in a raster direction, and a control section configured to provide the processing section with information related to the block size and an image size are provided, and the processing section performs counting from the beginning of the image data, and obtains, in a lump, from the storage section, image data corresponding to Wb pixels that are successive from an N-th pixel represented by N=(n?1)Wa+(m?1)Wb+1, wherein Wa and Wb respectively denote the image size and the block size in the raster direction, m and n denote parameters for specifying the location of an image block.

Abstract: An image processing device including a plurality of processors that execute arithmetic processing on image data, an information retaining portion that retains information related to arithmetic processing speeds of the plurality of processors, and a control portion that, among the image data, designates partial data to be processed by the respective processors and causes the plurality of processors to execute arithmetic processing, in which the control portion determines partial data for causing the plurality of processors to process on the basis of the information.

Abstract: A storage section configured to store image data of a raster form therein, a processing section configured to process the image data in a unit of an image block having a predetermined block size in a raster direction, and a control section configured to provide the processing section with information related to the block size and an image size are provided, and the processing section performs counting from the beginning of the image data, and obtains, in a lump, from the storage section, image data corresponding to Wb pixels that are successive from an N-th pixel represented by N=(n?1)Wa+(m?1)Wb+1, wherein Wa and Wb respectively denote the image size and the block size in the raster direction, m and n denote parameters for specifying the location of an image block.