Brother DCP-8020 User Manual page 216

Specify your machine by address
Enter the actual IP address of the DCP in the IP Address field.
Click Apply and then OK.
Specify your machine by Name
Enter the DCP Node name in the Node Name field.
Click Apply and then OK.
Search from a list of available device
Click Browse and select the appropriate device you want to use.
Click OK.
Click Apply and then OK.
NETWORK SCANNING 12 - 3