WF-3920 Series

User's Guide

> Administrator Information > Product Security Settings > Restricting USB Connections and Use of External Memory

Restricting USB Connections and Use of External Memory

You can disable the interface that is used to connect the device to the printer. Make the restriction settings to restrict printing and scanning other than via network.

Note:

You can also make the restriction settings on the printer's control panel.

  • Memory Device : Settings > General Settings > Printer Settings > Memory Device Interface > Memory Device

  • PC Connection via USB : Settings > General Settings > Printer Settings > PC Connection via USB

  1. On a computer connected to the same network as the printer, open a browser and enter the printer's IP address.

    You can check the printer's IP address using the following menu.

    • Wired LAN or Wireless LAN
      Settings > General Settings > Network Settings > Network Status > Wired LAN/Wi-Fi Status

  2. Enter the administrator password to log in as an administrator.

  3. Select in the following order.

    Product Security tab > External Interface

  4. Select Disable on the functions you want to set.

    Select Enable when you want to cancel controlling.

    • Memory Device
      Prohibit saving the data to external memory via USB port for external device connection.
    • PC connection via USB
      You can restrict the usage of the USB connection from the computer. If you want to restrict it, select Disable.

  5. Click OK.

  6. Check that the disabled port cannot be used.

    • Memory Device
      Confirm that there is no response when connecting a storage device such as USB memory to the external interface USB port.
    • PC connection via USB
      If the driver was installed on the computer
      Connect the printer to the computer using a USB cable, and then confirm that the printer does not print and scan.
      If the driver was not installed on the computer
      Windows:
      Open the device manager and keep it, connect the printer to the computer using a USB cable, and then confirm that the device manager's display contents stays unchanged.
      Mac OS:
      Connect the printer to the computer using a USB cable, and then confirm that the printer is not listed if you want to add the printer from Printers & Scanners.
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