HP LaserJet M9040M9050 Multifunction Printer series - Manual (Page 198)

7. Press the DIMM straight into the slot (press firmly). Make sure the locks on each side of the DIMM
snap inward into place. (To remove a DIMM, the locks must be released.)
Figure 11-28 Install DDR memory DIMMs (6 of 8)
8. Slide the formatter board back into the MFP and tighten the two screws.
Figure 11-29 Install DDR memory DIMMs (7 of 8)
9. Plug in the power cord and connect all cables. Turn the MFP on.
Figure 11-30 Install DDR memory DIMMs (8 of 8)
10. Reconnect the optional output device to the MFP.
184 Chapter 11 Manage and maintain ENWW