Brother HL-2150N, Руководство по обслуживанию

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Confidential
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Dirt on the back of paper
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Vertical streaks
CAUTION:
If the machine prints the same pattern, especially including vertical streaks, continuously,
black vertical streaks may appear on the paper since the electrostatic performance of the
exposure drum is decreased temporally.
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Black vertical streaks in a light background
Step Cause Check Result Remedy
1
Scratch and Dirt
on the fuser unit Is the pressure roller
ASSY dirty? Is any other
area in the machine dirty?
Yes
Print approximate 10
pages.
No Replace the fuser unit.
2
Scratch and Dirt
in the paper feed
system Is the paper feed system
dirty?
Yes
Wipe dirt off.
User Check
• This problem may occur with noise which is caused by dirt
on the corona wire in the drum unit. In this case, clean the
corona wire with the wire cleaner.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
Step Cause Check Result Remedy
1
Scratch and Dirt
in the paper feed
system Is the paper feed system
dirty?
Yes
Wipe dirt off.
2
Scratch and Dirt
on the exposure
drum Are there scratch and
dirt on the surface of the
exposure drum?
Yes
Replace the drum unit.
3
Scratch and Dirt
on the heat roller Are there scratch and
dirt on the surface of the
heat roller?
Yes
Replace the fuser unit.
User Check
• Clean the inside of the machine and the corona wire in the drum
unit.
• Replace the toner cartridge with a new one.
Step Cause Check Result Remedy
1
Drum unit failure Is the problem solved after
replacing the drum unit?
Yes
Replace the drum unit.