# Restricting External Device Connections via USB

Specify whether to use USB devices connected to the machine.
Once this setting is enabled, the USB port on the back of the machine is disabled.

IMPORTANT
###### When the setup is complete: You must restart the machine to activate these settings.

1
Press [] (Menu).
2
Press [] or [] to highlight <System Settings>, and then press [OK].

###### If a System Manager PIN is specified:

Use the numeric keys to enter the System Manager PIN, and then press [OK].
3
Press [] or [] to highlight <USB Device On/Off>, and then press [OK].
4
Press [] or [] to highlight <Off> or <On>, and then press [OK].

<Off> | USB devices cannot be used.
<On> | USB devices can be used.

5
Press [] (Menu) to close the Menu screen.
6
Restart the machine.
It is necessary to restart the machine to take effect the settings.
Turn OFF the machine and wait for at least 10 seconds before turning it back ON.
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