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Confidential
■ White vertical streaks on one color image
<User Check>
- Check if there is no dust in the gap between the toner cartridge and drum frame.
- Clean the relevant color LED array on which color loss occurs with a soft lint-free cloth.
- Replace the toner cartridge with a new one.
- Check the machine’s environment. High temperature and high humidity or low temperature
and low humidity conditions can cause this problem.
- Damp (wet) paper might be used. Try to change to freshly unpacked paper.
- Replace the drum unit with a new one.
Step Cause Check
Result
Remedy
1 Condensation Has condensation
occurred inside the
machine?
Yes Try to print several
pages or leave the
machine 2 hours to
allow it to reach room
temperature.
2 LED array failure Is the problem solved
after replacing the LED
ASSY?
Yes Replace the LED ASSY.
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