Brother DCP 1000 - Manual (Page 26)

2 - 6 A S S E M B L Y
YL4DCP-1000-FM5.5
3 Attach the plastic paper support to the multi-purpose sheet feeder.
4 Pull out the paper tray and the extension.
5 If your paper size is Letter or A4, unfold the paper stopper.
(For legal paper)
(For Letter/A4 paper)