Follow the procedure below to install additional memory.

1. Turn off the machine's power switch.
   
   For MFC Users:
   Unplug the telephone line cord.

    

2. Disconnect the interface cable from the machine,
   and then unplug the power cord from the AC power outlet.

    

   Be sure to turn off the machine power switch before you install or remove the DIMM.

3. Remove the DIMM cover and metal access cover.

   
   

4. Unpack the DIMM and hold it by its edges.

    

   To prevent damage to the machine from static electricity, DO NOT touch the memory chips or the board surface.

5. Hold the DIMM by the edges and align the notches in the DIMM with the protrusions in the slot.
   Insert the DIMM diagonally (1), then tilt it toward the interface board until it clicks into place (2).

    

   

6. Put the metal access cover and the DIMM cover back on.

    

7. Plug the machine's power cord back into the AC power outlet first, and then connect the interface cable.

    

8. For MFC Users:
   Plug in the telephone line cord.

    

9. Turn on the machine's power switch.