Brother DCP8020 - Manual (Page 85)

USING THE DCP AS A PRINTER 6 - 8
5
Send the print data to the DCP.
6
After the printed page comes out of the DCP, put in the next
sheet of paper as in Step 4 above. Repeat for each page that
you want to print.
7
When you have finished the print job, close the back output tray.
Caution
Remove each sheet immediately after printing. Stacking the sheets
may cause a paper jam or the paper to curl.