Brother HL-3450CN Service Manual page 344

6.4 Waste Toner Pack
Remove the waste toner pack from the

printer.
2) Clean toner from around the pack.
Then, remove the seal from the side of
the waste toner pack and fit it to cover
the hole of the waste toner pack
completely.
3) Put the waste toner pack into the
polyethylene bag and seal it firmly.
6.5 Cleaning
Clean the following areas with a vacuum cleaner to remove toner.
1) Around the waste toner pack / Waste
toner feeder tube.
i) Remove the one screw of side
cover (R) at the rear of the printer to
remove the side cover (R).
ii) Vacuum toner from the exit of the
waste toner feeder tube and around
the waste toner pack holder.
iii) Cover the exit of the waste toner
feeder tube with vinyl wrap.
Waste toner pack
A-17
HL-3450CN SERVICE MANUAL
Waste toner pack
Fig. A- 17
Fig. A- 18
Fig. A- 19
Fig. A- 20