You can disable the USB port (Rear-right side of the machine) to reduce the risk of an external connection without going through a network with security measures.
This section describes how to configure the settings using Remote UI from a computer. On the control panel, press [Menu] in the [Home] screen, and then press [Preferences] to configure the settings. [USB Settings] Administrator privileges are required. The machine must be restarted to apply the settings.
Even if you use this setting to restrict the use of the USB port (Rear-right side of the machine), memory media can still be connected to the USB port (Front-right side of the machine). To also restrict USB connection of memory media, see the following. Restricting Use of Memory Media
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