120 > B411/B431 Troubleshooting
2. Press the cover release and open the printer’s top cover.
WARNING!
If the printer has been powered on, the fuser area
will be hot. This area is clearly marked. Do not touch
it.
CAUTION!
Never expose the image drum unit to light for more
than 5 minutes. Never expose the image drum unit
to direct sunlight. Always hold the image drum unit
by the ends or from the top. Never touch the surface
of the green drum inside the image drum unit.
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