Brother DCP-8020 - Manual (Page 160)

10 - 5 USING THE WINDOWS ® -BASED BROTHER SMARTUI CONTROL CENTER (FOR WINDOWS ® XP)
Hardware Section: Changing the Scan
to button configuration
When the SmartUI Control Center is displayed, you can access the
Hardware Section window to reconfigure the
Scan button on your
DCP. Click the Hardware Section tab at the top left of the SmartUI
Control Center screen. (See Using the scan key (For USB or Parallel
interface cable users) on page 8-16.)