Brother HL-8050N - Manual (Page 171)

A - 13 APPENDIXES
2
Pull out the power cord from the AC power outlet/socket
and then the printer.
3
Remove any paper from the center output tray (1) and
return the paper stopper to its original position if it is raised
(2).
4
Pull all the paper trays out of the printer.
5
Remove the fasteners found at the 2 locations inside the
printer and at the 2 locations at the back of the printer.