摘要:
When a number of passes of multi-pass recording has been changed, a repetitive cycle of a drive pattern is changed, depending on change of feeding amount caused by change of the number of passes. Accordingly, the drive pattern is set to a size corresponding to the changed feeding amount.
摘要:
The present invention provides an inkjet printing apparatus and an inkjet printing method for printing a high-definition image while improving glossiness of the image surface without causing complication and enlargement of the apparatus. A plurality of inks are ejected from first and second printing heads so that a weighted average of a printing rate for each scan regarding an ink having the highest lightness becomes the largest among the plurality of inks and so that a maximum value regarding the printing rate of the ink having the highest lightness becomes larger than those of other inks.
摘要:
When a number of passes of multi-pass recording has been changed, a repetitive cycle of a drive pattern is changed, depending on change of feeding amount caused by change of the number of passes. Accordingly, the drive pattern is set to a size corresponding to the changed feeding amount.
摘要:
The present invention provides an ink jet printing system and method which allows high-quality images to be printed while improving the gloss of an image surface, as well as a relevant storage medium. According to the present invention, an image is printed using a print head including multiple nozzle arrays provided for ink in respective multiple colors and in each of which multiple nozzles configured to eject ink are arranged; the print head ejects the ink in the multiple colors onto the same print area on a print medium during multiple scans. The multiple types of ink are ejected from the print head so that the connectivity of ink dots formed on the front outermost surface of a print area is higher than that of other ink dots formed in the print area.
摘要:
A printing apparatus that includes nozzle arrays, formed of nozzles for ejecting ink of the first to fourth ink color groups, and that scans a print medium while moving the nozzle arrays to perform printing. For printing a unit area of a print medium, where printing is to be completed by performing a plurality of scans, the printing apparatus performs a plurality of scans, and conveys, between movements, a print medium a predetermined amount, which is equivalent to the width of the unit area. Then, to perform a plurality of scans using the nozzle arrays for the first to fourth ink color groups, print data are generated, so that for the nozzle arrays that belong to two ink color groups, the nozzle array for the first ink color group is employed to eject ink into the unit area prior to the nozzle array for the second ink color group.
摘要:
The present invention provides an inkjet printing apparatus and an inkjet printing method for printing a high-definition image while improving glossiness of the image surface without causing complication and enlargement of the apparatus. A plurality of inks are ejected from first and second printing heads so that a weighted average of a printing rate for each scan regarding an ink having the highest lightness becomes the largest among the plurality of inks and so that a maximum value regarding the printing rate of the ink having the highest lightness becomes larger than those of other inks.
摘要:
The present invention provides an ink jet printing system and method which allows high-quality images to be printed while improving the gloss of an image surface, as well as a relevant storage medium. According to the present invention, an image is printed using a print head including multiple nozzle arrays provided for ink in respective multiple colors and in each of which multiple nozzles configured to eject ink are arranged; the print head ejects the ink in the multiple colors onto the same print area on a print medium during multiple scans. The multiple types of ink are ejected from the print head so that the connectivity of ink dots formed on the front outermost surface of a print area is higher than that of other ink dots formed in the print area.
摘要:
A printing apparatus that includes nozzle arrays, formed of nozzles for ejecting ink of the first to fourth ink color groups, and that scans a print medium while moving the nozzle arrays to perform printing. For printing a unit area of a print medium, where printing is to be completed by performing a plurality of scans, the printing apparatus performs a plurality of scans, and conveys, between movements, a print medium a predetermined amount, which is equivalent to the width of the unit area. Then, to perform a plurality of scans using the nozzle arrays for the first to fourth ink color groups, print data are generated, so that for the nozzle arrays that belong to two ink color groups, the nozzle array for the first ink color group is employed to eject ink into the unit area prior to the nozzle array for the second ink color group.
摘要:
An inkjet printing apparatus and an inkjet printing method capable of suppressing generation of bronze phenomenon regardless of the color gamut are provided. For this purpose, in multipass printing, more pixels permitted to print by at least one type of achromatic color ink than pixels permitted to print by chromatic color ink in the last print scan to a unit region are set. Accordingly, it becomes possible to apply achromatic color ink having a high bronze phenomenon reduction effect on the topmost layer of the print medium, and thereby generation of bronze phenomenon can be suppressed without any hue shift.
摘要:
In order to vary a threshold value for performing an error diffusion process depending on a pixel position, a threshold value matrix configured to have pluralities of rows and columns is prepared. In this case, pieces of data in the threshold value matrix are arrayed such that average values in the respective rows and average values in the respective columns are almost the same value. If such a threshold value matrix is used to perform the error diffusion process, the dot sparseness and denseness do not occur with a period of the matrix, and therefore the pattern or sweeping phenomenon specific to the error diffusion can be suppressed.