Brother HL-5280DW - Manual (Page 86)

6. Routine Maintenance
78
e Pull off the protective cover.
f
Put the new toner cartridge firmly into the drum unit until you hear it lock into place. If you put it in
properly, the lock lever will lift automatically.
CAUTION
Make sure that you put in the toner cartridge properly or it may separate from the drum unit.
g Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left and left
to right several times.
CAUTION
Be sure to return the tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe.
1