HP LaserJet 3380 All-in-One Printer - Manual (Page 175)

4. Position the DIMM in front of the slot located inside the left side panel. The gold contacts
should be pointing toward the device and the cutouts should be at the top and bottom.
5. Carefully press the DIMM into the slot, making sure that it is straight and pushed in all the
way (1). The cam latches, located at the top and bottom, should rotate inward. To snap
the cam latches into place, press the handles toward each other (2).
6. Close the left side panel and the print cartridge door.
7. Plug the device in, and turn on the power switch.
ENWW DIMMs (memory or font) 163