| 摘要 |
An order in which to delete bands is defined in advance according to a table of importance levels of bands. If the free storage space of a hard disk becomes equal to or lower than a threshold value after a new printer command of a band is stored, printer commands stored in the hard disk are deleted in units of bands in accordance with the defined importance levels of bands. If the free storage space of the hard disk becomes greater than the threshold value, new printer commands are stored in units of bands on the hard disk. In the controlling of the printing for second and following ones of the plurality of copies, printer commands stored on the hard disk are transmitted to a printer. However, printer commands that are not stored on the hard disk are again produced.
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