Oki ES1220n User Manual page 222

5. Unpack the new toner cartridge and gently shake it from side to
side to loosen and distribute the toner evenly inside the cartridge.
6. Remove the adhesive tape from the underside of the cartridge.
Do not touch the toner release lever until the toner cartridge
is installed in the image drum. If you do, it will open the toner
release slot and spill toner.
CAUTION!
ES 1220n Replacing Consumables • 222