| 摘要 |
In a device management system, a printer is connected to a host computer via a network, and the host computer manages a status of the printer. When the host computer acquires information from the printer, the host computer acquires information whether the printer is in an energy-saving mode in advance. The host computer changes information items to be acquired in the energy-saving mode and in other mode, thereby preventing the cancellation of the energy-saving mode.
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