Brother HL-3450CN Service Manual page 345

APPENDIX
2) Drum cleaner
i) Remove the cleaner cover by
ii) Holding the handle located on the
iii) Remove the drum cleaner by lifting
iv) Clean the area where the drum
3) Inside the printer
i) Remove the upper side cover, side
ii) Remove the control fan, and then
iii) Vacuum toner from around the
iv) Reassemble the waste toner feeder
v) Re-install the drum cleaner and
x
Be sure not to damage the surface of the transfer drum with the vacuum cleaner nozzle
when cleaning the areas around the transfer drum.
x
Be sure not to contact the nozzle of the vacuum cleaner with the terminals inside the
printer. Failure to do so will cause damage to the electrical parts in the printer.
x
It is recommended to ground the nozzle of the vacuum cleaner by using an earth wire.
releasing the two hooks.
top of the drum cleaner, push it
backwards.
it out.
cleaner is mounted with a vacuum
cleaner and a cloth. (Refer to the
figure on the right.)
cover (L), and upper cover from the
printer.
remove the waste toner feeder unit.
other side of the waste toner feeder
tube and inside the printer. (Refer
to the figure on the right.)
unit, control fan, upper cover, side
cover (L), and upper side cover.
cleaner cover.
Drum cleaner
A-18
Fig. A- 21
Fig. A- 22
Fig. A- 23