Brother HL 4150CDN - Manual (Page 103)

Routine Maintenance
97
5
d
Push to release the latches of the corona wire cover (1), and then open the cover.
e
Clean the corona wire inside the drum unit by gently sliding the green tab from left to right and right to
left several times.
Note
Be sure to return the tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe.
1
1