Brother HL-3450CN Series User Manual page 191

PAPER JAM IN THE PAPER CASSETTE
JAM A1
JAM A2
JAM A3
If a paper jam occurs inside the Paper Cassette, follow these steps:
Pull out the Paper Cassette.
1.
Remove the jammed
2.
paper.
Re-install the Paper Cassette.
3.
Open the Rear Access Cover and check that there is no more
4.
jammed paper inside.
!
Caution
Do not remove the upper Paper Cassette while printing from the optional
lower Paper Cassette. This will cause a paper jam.
Or
Or
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CHAPTER 7 TROUBLE SHOOTING
Fig. 7-4