2FT
1-5-29
(6) A black line appears longitudinally.
Causes
1. Dirty contact glass.
2. Dirty or flawed drum.
3. Dirty scanner mirror.
4. Dirty main charger wire.
Causes Check procedures/corrective measures
1. Dirty contact glass.
Clean the contact glass.
2. Dirty or flawed drum.
Clean the drum or, if it is flawed, replace the drum unit (see page 1-6-38).
3. Dirty scanner mirror.
Clean the scanner mirror.
4. Dirty main charger wire.
Clean the main charger wire or, if it is extremely dirty, replace the main
charger unit (see page 1-6-40).
(7) A black line appears laterally.
Causes
1. Dirty contact glass.
2. Dirty or flawed drum.
3. Dirty scanner mirror.
4. Dirty shading plate.
5. Leaking main charger housing.
Causes Check procedures/corrective measures
1. Dirty contact glass.
Clean the contact glass.
2. Dirty or flawed drum.
Clean the drum or, if it is flawed, replace it (see page 1-6-38).
3. Dirty scanner mirror.
Clean the scanner mirror.
4. Dirty shading plate.
Clean the shading plate.
5. Leaking main charger housing.
Clean the main charger wire, grid and shield.
(8) One side of the copy image is
darker than the other.
Causes
1. Dirty main charger wire.
2. Defective exposure lamp.
Causes Check procedures/corrective measures
1. Dirty main charger wire.
Clean the main charger wire or, if it is extremely dirty, replace the main
charger unit (see page 1-6-40).
2. Defective exposure lamp.
Check if the exposure lamp light is distributed evenly. If not, replace the
exposure lamp and inverter PCB.