Oki C5200n User Manual page 50

7. Gently shake the new cartridge from end to end several times
to loosen and distribute the toner evenly inside the cartridge.
8. Remove the wrapping material and peel off the adhesive tape
from the underside of the cartridge.
9. Holding the cartridge by its top centre with the coloured lever
to the right, lower it into the printer over the image drum unit
from which the old cartridge was removed.
10. Insert the left end of the cartridge into the top of the image
drum unit first, pushing it against the spring on the drum unit,
REPLACING CONSUMABLE ITEMS > 50