Brother HL-3450CN Series User Manual page 189

Note
If the number of paper jams at the Rear Access Cover increases, replace
the Paper Discharger.
PAPER JAM AT FUSING ROLLER INSIDE THE
PRINTER
JAM D
JAM E2
If a paper jam occurs at the Fusing Roller, follow the same steps to remove
the jammed paper as listed for 'Paper Jam at Paper Exit'. Otherwise, follow
the steps below:
!
Warning
The Fusing Roller is extremely HOT during operation. Remove the
paper carefully.
Or
7-11
CHAPTER 7 TROUBLE SHOOTING