| 摘要 |
A device and method of the invention relates to picture tone control of a printer and enables confirmation of tone before printing, thereby preventing print failure and reducing waste paper. The device profile of a printer used for printing is acquired, the device profile of a simulation printing tool is acquired, and plate-making data is acquired. Halftone dot area ratio data k, c, m, y of the plate-making data is converted into color coordinates (L*a*b*) by using the printer device profile. The concentrations R, G, B corresponding to the color coordinate (L*a*b*) converted by using the device profile of the simulation printing tool is outputted and the outputted tone is judged to be or not within an allowable range. On the basis of the result of the judgment, picture tone is controlled for a plate-making machine and a printer.
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