| 摘要 |
PROBLEM TO BE SOLVED: To realize the processing of large amounts of printing jobs with high efficiency and at low running costs. SOLUTION: After color RIP processing is executed to all the pages of a printing job (S2301), when the page is a color page and the first page, a color job Jc is newly prepared (step S2306), and when the page is not the first page, a page is added to the color job Jc (S2307), and the processing is executed to the next page (S2312). Also, when the page is a black and white page, black and white RIP processing is executed (S2304), and when the page is the first page, a black and white job Jb is newly prepared (step S2309), and when the page is not the first page, a page is added to the black and white job Jb (S2301), and the processing is executed to the next page. This processing is executed until the final page, and image data are transferred to an image forming device corresponding to the print attribute of the image data.
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