| 摘要 |
PROBLEM TO BE SOLVED: To further increase the printing speed of various printing materials. SOLUTION: One group job is taken out from the jobs being put in a standby condition and an analysis is made to determine the color number and the kind of the color for every job. Then, the results of the analysis are sorted out by the color number, the job groups having a same color number are made into one category, the jobs are rearranged into the order, that is close to a beforehand set color kind switching order, and the result of the rearrangement is stored in an external storage device 11. Then, color kind switching series are successively taken out from the device 11 for every category, the color kinds of specific series are followed and the jobs belonging to the category are successively switched. If a picture is required to be outputted in accordance with first color kind switching series of a category, the picture outputting is conducted to a recording medium from a prescribed recording medium storage means. If it is not first color kind switching series, a picture outputting is conducted to the recording medium from a prescribed pooling location. If the color number is used up against an output result, the output result is ejected. If the color number is not used up, the result is pooled in a prescribed place. |
