HP LaserJet Pro 300 Color MFP M375 - Manual (Page 253)

4. 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.
CAUTION: Static electricity can damage electronic parts. When handling electronic parts,
either wear an antistatic wrist strap, or frequently touch the surface of the antistatic package and
then touch bare metal on the product.
5. Remove the new DIMM from the antistatic package, and then locate the alignment notch on the
bottom edge of the DIMM.
6. Holding the DIMM by the edges, align the notch on the DIMM with the bar in the DIMM slot at an
angle.
ENWW Install memory DIMMs 237