You can disable the USB port for computer connection on the back 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, select [Menu] in the [Home] screen, and then select [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 rear USB port, memory media can still be connected to the USB port on the front of the machine. To also restrict USB connection of memory media, see the following. Restricting Use of Memory Media
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