Olivetti C3520MFP User Manual page 91

and place it on the piece of paper alongside the old ID
unit.
The green image drum surface at the base of the
cartridge is very delicate and light sensitive. Do not
touch it and do not expose it to normal room light for
more than 5 minutes. If the drum unit needs to be out
of the printer for longer than this, please wrap the
cartridge inside a black plastic bag to keep it away
from light. Never expose the drum to direct sunlight
or very bright room lighting.
7. Remove the protective sheets from the image drum unit.
Keep it the same way round as the old unit. Pack the old
ID unit inside the packaging material for disposal.
CAUTION!
Maintenance > 90