Brother MFC-8820DN - Manual (Page 332)

19 - 2 NETWORK SCANNING (WINDOWS ® 98/98SE/ME/2000 PROFESSIONAL AND XP ONLY)
Right-click Scanner Device icon and select properties to view
the Network Scanner Properties dialog box.
2
Click the Network Setting tab in the dialog box and select a
method to specify the MFC as a Network scanner for your PC.
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Specify your MFC by address
Enter the actual IP address of the MFC in the IP Address field.
Click Apply and then OK.
Specify your MFC by Name
Enter the MFC Node name in the Node Name field.
Click Apply and then OK.