Brother HL-3450CN Series, Service Manual

Page: 345 / 365

APPENDIX
A-18
2) Drum cleaner
i) Remove the cleaner cover by
releasing the two hooks.
ii) Holding the handle located on the
top of the drum cleaner, push it
backwards.
iii) Remove the drum cleaner by lifting
it out.
Fig. A- 21
iv) Clean the area where the drum
cleaner is mounted with a vacuum
cleaner and a cloth. (Refer to the
figure on the right.)
3) Inside the printer
i) Remove the upper side cover, side
cover (L), and upper cover from the
printer.
ii) Remove the control fan, and then
remove the waste toner feeder unit.
Fig. A- 22
iii) Vacuum toner from around the
other side of the waste toner feeder
tube and inside the printer. (Refer
to the figure on the right.)
iv) Reassemble the waste toner feeder
unit, control fan, upper cover, side
cover (L), and upper side cover.
v) Re-install the drum cleaner and
cleaner cover.
Fig. A- 23
&$87,21
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.
Drum cleaner