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C3400n User’s Guide
90
3. Lift each of the image drum units (1), starting from the rear, out
of the printer and place them in a safe place away from direct
sources of heat and light (2).
IDs _ all out_cover_F8_19.jpg
4. Locate the two fasteners (1) at each side of the belt (3) and the
lifting bar (2) at the front end.
CAUTION!
The green image drum surface at the base of each
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.