Brother HL-3450CN - Manual (Page 137)

CHAPTER 5 MAINTENANCE
5-21
O O O
Z Z Z O O O N N N E E E
F F F
I I I L L L T T T E E E R R R
Ozone Filter
You will need to replace the Ozone Filter once a year to prevent ozone from
coming out of the printer.
! Caution
You must replace the Ozone Filter once a year. If you do not, it might cause
a noticeable smell of Ozone.
Replacing the Ozone Filter
1. Slide and remove the Rear Side
Cover.
Fig. 5-17
2. Remove the Ozone Filter Case
from the Rear Side Cover.
Fig. 5-18
3. Insert the new Ozone Filter Case into the Rear Side Cover.
4. Reinstall the Rear Side Cover by sliding it into place.