Oki C650 User Manual page 311

4
With the warning label of the new fuser unit facing the front, hold both the left and right handles
and install the fuser unit into this machine.
5
Push down the left and right handles of the fuser unit to lock.
Make sure that the fuser unit does not float from the top of the output tray. If floating, the fuser unit will not be
recognized so that it is not possible to start printing.
 Please recycle the used fuser unit.
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