Brother MFC-8820DN - Manual (Page 227)

USING THE BROTHER CONTROL CENTER FOR WINDOWS ® 95/98/98SE/ME/2000 PROFESSIONAL AND WINDOWS NT ® WS 4.0 14 - 7
Perform an operation from the Control Center
screen
If you see this screen it means you left-clicked a button in the Control
Center window without first placing an original in the ADF.
Place the original in the MFC’s ADF, and then click OK to go to the
Control Center screen.
If you want to scan the original from the scanner glass, please
use ( Scan ) on the control panel of the MFC.