Brother MFC-J6520DW - Manual (Page 8)

8
DO NOT put your hands on the edge of the machine. Doing this may cause injury to your fingers
by pinching them.
When changing the tray size from the Ledger, A3 or Legal size to the original size, be careful
not to pinch your fingers in the gaps or slots in the bottom of the tray. It may cause injury to you.