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Brother International HL 5030 Service Manual - Page 218
Black band, If the problem still
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CHAPTER 6 TROUBLESHOOTING I-17 Black band Possible cause Step Check Result Remedy Corona failure Corona failure 1 Is the wire cleaner at its home position? 2 Is the corona wire dirty? No Return the wire cleaner to its home position. Yes 1) Clean the corona wire. 2) If the problem still appears after cleaning, replace the drum unit. Ground contacts (2) (2) 6-38
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CHAPTER 6 TROUBLESHOOTING
6-38
I-17
Black band
Possible cause
Step
Check
Result
Remedy
Ground
contacts
Corona failure
1
Is the wire cleaner at its home
position?
No
Return the wire
cleaner to its home
position.
(2)
Corona failure
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)