HP LaserJet Enterprise 700 color MFP M775 series - Manual (Page 84)

5. Insert the bottom of the new unit into the
product first and then push the top of the unit
until it clicks into place.
6. Close the rear door.
To recycle the used toner collection unit, follow
the instructions included with the new toner
collection unit.
70 Chapter 4 Parts, supplies, and accessories ENWW