Oki C C3200 User Manual page 58

11. Pressing gently down on the cartridge to ensure that it is
firmly seated, push the coloured lever (1) towards the
rear of the printer. This will lock the cartridge into place
and release toner into the image drum unit.
12. Finally, close the top cover and press down firmly at both
sides so that the cover latches closed.
Replacing consumable items> 58
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