| 摘要 |
PROBLEM TO BE SOLVED: To shorten a user's wait time by selectively controlling any of a plurality of printers in accordance with the number of sheets of photoprint media. SOLUTION: When the number of prints set by a user is not smaller than 5, external printers 4A-4C are driven to photoprint in place of an internal printer of a printer apparatus 2. Depending on whether or not an initial screen is operated within 30 seconds after a previous process in the printer apparatus 2, a counter is incremented or reset. When a count value becomes an odd number not smaller than 3, the external printers 4A-4C are driven in place of the internal printer. In the case of count values other than the above, the internal printer is driven to photoprint. If the printer apparatus 2 is used within 30 seconds after the printing process by three or more people, the external printers 4A-4C are used. On the other hand, if the printer apparatus 2 is not used after the previous printing process, or when the external printers 4A-4C are driving to photoprint at present, the internal printer is used.
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