Brother HL-1800 Series User Manual page 129

☛ ☛ ☛ ☛ 6.
Put the new Toner Cartridge into the Drum Unit until you hear it lock into
place. When the Toner Cartridge is fitted correctly, the lock lever is lifted
automatically.
!
Caution
Make sure you fit the Toner Cartridge correctly or it may separate from the
Drum Unit when you pick up the Drum Unit Assembly.
☛ ☛ ☛ ☛ 7.
Clean the Primary Corona Wire inside the Drum Unit by gently sliding the
blue tab from right to left several times. Return the tab to the Home position
(L) before you put the Drum Unit back in the printer.
Home Position
!
Caution
Make sure that you return the tab to the Home position (L) before you put
the Drum Unit back in the printer. If you do not, printed pages may have
vertical stripes.
Fig. 5-6
Fig. 5-7
5-9
CHAPTER 5 MAINTENANCE