Open the side cover.

   Open the front cover.

   Pull the waste toner container out of the machine using its handle.

   Turn the imaging unit locking levers outwards to release and open the inner cover.

   Remove the new imaging unit from its bag. Remove the paper protecting the surface of the imaging unit.

   Remove the cap, and carefully pull the seal tapes out of the imaging unit.

   Thoroughly shake the new imaging unit side to side five or six times.

   Labels inside the machine identify each imaging unit's position. Holding the handles on the new imaging unit, push the imaging unit until it locks in place.

   Turn the imaging unit locking levers inwards until it locks in place and close the inner cover.

   Insert the waste toner container into position and then push it to make sure that it is firmly seated in place.

   Close the front cover, then the side cover. Make sure that the cover is securely latched and then turn the machine on.