HP Color LaserJet 3800 Printer series - Manual (Page 215)

3. Place the formatter board on a clean, flat, grounded surface.
To replace a DIMM that is currently installed, spread the latches apart on each side of the DIMM
slot, lift the DIMM up at an angle, and pull it out.
4. Remove the new DIMM from the antistatic package, and then locate the alignment notch on the
bottom edge of the DIMM.
5. Holding the DIMM by the edges, align the notch on the DIMM with the bar in the DIMM slot at an
angle and firmly press the DIMM into the slot until it is fully seated. When installed correctly, the
metal contacts are not visible.
ENWW Installing memory DIMMs 201