| 摘要 |
PROBLEM TO BE SOLVED: To successively monitor the state of plural printers in a respectively varying state by setting the state display time of each printer in accordance with the displaying priority order of each printer and successively switch- displaying the state information of each printer based on the passing state of the set state displaying time. SOLUTION: The newest states of printers 1014 and 2014 are obtained from a port stored as printer information and the states of the printers are analyzed to recognize contents. When the states of the printers 1014 and the 2014 vary, error information, warning information and operating state information in the printer information are updated to the obtained newest states of the printers. By retrieving a state-displaying database next, priority order information corresponding to the states of the printers is searched to update a displaying priority order in the printer information. Then, the variation of the states is detected while investigating the states of the printers and based on a displaying time fixed to displaying priority order information, a printer for displaying the state is decided to switch display.
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