Brother HL 1270N - Manual (Page 56)

3-8
☛ 6.
Clean the primary corona wire inside the drum unit by gently sliding the blue tab to the right
and the left ends several times. Return the tab to the Home position before reinstalling the
drum unit assembly.
Fig. 3-10 Cleaning the primary corona wire
!
Caution
Make sure that you return the tab to the home position (▲ mark position) before reinstalling
the drum unit assembly into the printer otherwise printed pages may have vertical stripes.
☛ 7.
Re-install the drum unit assembly into the printer and close the front cover.
Fig 3-11 Re-install the drum unit assembly
Home Position ( ▲ )