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(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.
(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.
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 1-6-42).
Replace the cleaning blade (see page 1-6-52).
Clean the scanner mirror.
Causes
1. Flawed drum.
2. Dirty developing section.
3. Leaking main charger housing.
Replace the drum (see page 1-6-42).
Clean any part contaminated with toner or carrier in the developing
section.
Clean the main charger wire, grid and shield.
Causes
1. Dirty main charger wire.
2. Defective exposure lamp.
Clean the main charger 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 1-6-21).
Check procedures/corrective measures
Check procedures/corrective measures
Check procedures/corrective measures
2BC/D
1-5-35
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