Oki C5510nMFP Handy Reference page 32

Replacing the Toner Cartridge (cont'd)
8. Remove the wrapping material and
peel off the adhesive tape.
9. Holding the cartridge by it top center,
insert the left end (1) into the image
drum first, pushing it against the
spring on the drum unit, then lower
the right end onto the image drum
(2).
10. .Press gently down on the cartridge
to ensure it is firmly seated.
11. Push the colored lever (1) towards
the rear of the machine to lock the
cartridge in place.
31