Brother MFC-8440 B - Manual (Page 170)

12 - 9 TROUBLESHOOTING AND ROUTINE MAINTENANCE
WARNING
After you have just used the MFC, some internal parts of the MFC
are extremely HOT! Wait for the MFC to cool down before you touch
the internal parts of the MFC.
6
Open the jam clear cover (fuser cover). Pull the jammed paper
out of the fuser unit.
7
Close the jam clear cover. Close the back output tray.
HOT!
Back view
Jam Clear Cover
(Fuser Cover)