Brother HL-3450CN - Manual (Page 192)

CHAPTER 7 TROUBLE SHOOTING
7-14
How to Clear a Paper Jam in the Duplex Unit
PAPER JAM IN THE DUPLEX COVER TOP
ASSEMBLY
JAM B
If a paper jam occurs in the Duplex Cover Top Assembly, follow these
steps:
1. Open the Duplex Cover Top Assembly.
2. If you see a jammed piece of
paper through the viewing
window, push the paper down
and then remove the jammed
paper.
Fig. 7-5