Brother MFC-8220 - Page 223

MFC-8220
SERVICE MANUAL
6-45
I-17 Black band
Possible cause Step Check Result Remedy
Ground
contacts
Corona wire
failure
1 Is the wire cleaner at its home
position?
No Return the wire cleaner
to its home position.
(2)
Dirt on the
corona wire.
2 Is the corona wire dirty? Yes 1) Clean the corona
wire.
2) If the problem still
appears after
cleaning, replace
the drum unit.
(2)