Brother MFC-9440CN - Manual (Page 165)

Troubleshooting and routine maintenance
149
C
e
Push to release the latches of the white
corona wire cover (1), and then open
the cover.
Note
We recommended that you clean the
corona wire for each of the colors. If you
want to clean only the corona wire of the
color that caused the print quality problem,
see the illustration below to identify the
position of each of the corona wires.
1 Corona wire cover for Black (K)
2 Corona wire cover for Yellow (Y)
3 Corona wire cover for Magenta (M)
4 Corona wire cover for Cyan (C)
f
Clean the corona wire inside the drum
unit by gently sliding the green tab from
left to right and right to left several times.
CAUTION
Be sure to return the tab to the home
position (b) (1). If you do not, printed pages
may have a vertical stripe.
g
Close the corona wire cover.
h
Repeat e to g to clean each of the
remaining corona wires.
1
1
2
1
2 3
4
1
1
2