Brother HL-3450CN Series User Manual page 197

With all the covers and units
6.
open, remove the jammed
paper. Access and remove the
jammed paper from the Rear
Access Cover.
Set the Pressure Release
7.
Levers of the Fusing Unit to the
SET position, and then close
the Top Cover.
Close the Duplex Cover Top Assembly.
8.
Close the Rear Access Cover of the printer.
9.
Close the Inside Unit and the Duplex Lower Cover of the Duplex
10.
Unit.
7-19
CHAPTER 7 TROUBLE SHOOTING
Fig. 7-14
Fig. 7-15