Click SSDP Setting on the menu of Network tab to display this screen.
This screen allows you to select whether to use Simple Service Discovery Protocol (SSDP). Enabling SSDP enables to find the service that the machine can provide from software and other services on the network. When using SSDP, change multicast TTL (Time To Live) as necessary.
To use SSDP, select ON from the SSDP drop-down list.
If necessary, change Multicast TTL Settings.
Click OK. Clicking Cancel cancels the setting.
Click OK on the setting complete screen.
If you have changed any setting, turn the machine power off then on.