2AV/X
1-5-20
1-5
Causes Check procedures/corrective measures
1. Dirty contact glass.
2. Dirty or flawed drum.
3. Deformed or worn cleaning blade.
4. Dirty scanner mirror.
(6) A black line appears
longitudinally.
Causes
1. Dirty contact glass.
2. Dirty or flawed drum.
3. Deformed or worn cleaning blade.
4. Dirty scanner mirror.
Clean the contact glass.
Clean the drum or, if it is flawed, replace it (see page 1-6-43).
Replace the cleaning blade (see page 1-6-46).
Clean the scanner mirror.
Causes Check procedures/corrective measures
1. Dirty main charger wire.
2. Defective exposure lamp.
Causes Check procedures/corrective measures
1. Flawed drum.
2. Dirty developing section.
3. Leaking main charger housing.
(7) A black line ap-
pears laterally.
Causes
1. Flawed drum.
2. Dirty developing section.
3. Leaking main charger housing.
(8) One side of the
copy image is
darker than the
other.
Causes
1. Dirty main charger wire.
2. Defective exposure lamp.
Replace the drum (see page 1-6-43).
Clean any part contaminated with toner or carrier in the developing
section.
Clean the main charger wire, grid and shield.
Clean the wire or, if it is extremely dirty, replace it.
Check if the exposure lamp light is distributed evenly. If not, replace
the exposure lamp (see page 1-6-19).
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