Brother MFC-8820DN - Manual (Page 58)

2 - 10 PAPER
To use Automatic Duplexing for fax, copy and
print operations
(For MFC-8820D and MFC-8820DN)
If you want to print on both sides of the paper using the Duplex
feature for fax, copy or print, you will need to set the Paper
Adjustment Lever to the size of paper you are using.
This feature is available for A4, Letter or Legal size paper. (See
Setting Duplex printing for Fax mode (For MFC-8820D and
MFC-8820DN) on page 5-10, Duplex/N in 1 on page 10-11 and
Two-sided printing (Duplex Printing) on page 11-3.)
1
Load paper in the Paper Tray or Multi-purpose Tray.
2
Set the Paper Adjustment Lever for Duplex Printing, in the back
of the MFC, to match your paper size.
3
Your MFC is now ready to print two-sided pages.
Letter/Legal
A4