HP LaserJet M9040M9050 Multifunction Printer series - Manual (Page 197)

3. Turn the MFP off. Disconnect the power cord and any cables.
Figure 11-24 Install DDR memory DIMMs (2 of 8)
4. Loosen the two captive thumb screws on the back of the MFP.
Figure 11-25 Install DDR memory DIMMs (3 of 8)
5. Grasp the screws and pull the formatter board out of the MFP. Place it on a flat, non-conductive
surface.
Figure 11-26 Install DDR memory DIMMs (4 of 8)
6. Remove the DIMM from the antistatic package. Hold the DIMM with fingers against the side edges
and thumbs against the back edge. Align the notches on the DIMM with the DIMM slot. (Check that
the locks on each side of the DIMM slot are open, or outward.)
Figure 11-27 Install DDR memory DIMMs (5 of 8)
ENWW Manage memory 183