Ricoh P C300W - Page 246

6.Troubleshooting
234
Problem
Cause
Details
Solution
toner from the
surface of the OPC
or the ITB.
Vertical, fine white
lines appear
• Dust, dirt caught on
the doctor blade is
scraping toner from
the surface of the
development roller.
• Dirt, paper dust
under the AIO is
scraping away
toner from the
surface of the OPC
or the ITB.
• Lint, dust in the AIO
exposure unit.
Can occur at the
beginning of
machine use or
over time.
• Remove and reinstall the
AIO.
• Replace the AIO.
• Clean the dust shield
glass on the LD unit.
(Cleaning Points)
A dense vertical
band of color
appears
• Foreign matter is
sticking to the
charge roller.
• Residual toner
stacking on the belt
The problem
presents over time.
Replace the AIO.
A faint vertical
band of color
appears
Toner in the
development unit
temporarily not applied
evenly.
The problem
presents over time.
If removing and reinstalling the
AIO does not solve the
problem, replace the AIO.
A band of fine,
glossy bands or
scratches appears
about 99 mm to the
right of center
Pressure roller
thermistor (center) is
contaminated.
• This can occur
with:
Images with
heavy
coverage
Thick paper
Glossy paper
• The problem
presents over
time.
Replace the fusing unit.