Brother MFC-8820DN - Manual (Page 143)

10 - 2 MAKING COPIES
Temporary copy settings
You can improve your copies by using the Temporary Copy Keys:
Enlarge/Reduce , Contrast , Quality , Tray Select , Sort and
N in 1 (For MFC-8420) or Duplex/N in 1 (For MFC-8820D and
MFC-8820DN). These settings are temporary, and the MFC returns
to Fax mode 1 minute after it finishes copying. If you want to use
these temporary settings again, place the next original in the ADF or
on the scanner glass within that time. However, if you have set the
Mode Timer for Copy and Scan modes to 0 to 30 seconds, the MFC
returns to the default settings after the number of seconds that has
been set for Mode Timer. (See Setting the Mode Timer on page 4-5
and see Using the copy keys (Temporary settings) on page 10-6.)
While the MFC is copying, incoming faxes will be received into
the memory instead of being printed.
Temporary Copy Keys