| 摘要 |
A power management method of an image forming apparatus which communicates with at least one terminal device supporting a universal plug and play (UPnP) protocol, including: setting power save mode information which includes a plurality of levels corresponding to the UPnP protocol to the image forming apparatus; storing the set power save mode information; receiving a command to enter a first power save mode among the plurality of levels from the terminal device; comparing the received command to enter the first power save mode with the stored power save mode information; and entering a power save mode by the image forming apparatus corresponding to the received command to enter the first power save mode. With this configuration, the image forming apparatus supporting a UPnP protocol categorizes power save modes by using a low power protocol of the UPnP protocol, and can reduce unnecessary power consumption and improves usability.
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