Brother MFC-8440 B - Manual (Page 201)

OPTIONAL ACCESSORIES 13 - 3
WARNING
DIMM boards can be damaged by even a small amount of static
electricity. Do not touch the memory chips or the board surface.
Wear an antistatic wrist strap when you install or remove the board.
If you do not have an antistatic wrist strap, frequently touch the bare
metal on the printer.
4
Hold the DIMM with your fingers on the side edges and your
thumb on the back edge. Line up the notches on the DIMM with
the DIMM slot. (Check that the locks on each side of the DIMM
slot are open or facing outwards.)
5
Press the DIMM straight into the slot (press firmly). Make sure
the locks on each side of the DIMM click into place. (To remove
a DIMM, you must release the locks.)
6
Put the metal plate back on and secure the metal plate with the
two screws.
7
Put the side cover back on.
8
Reconnect the telephone line cord.
9
Reconnect any additional interface cables that you removed.
10
Reconnect the power cable and then turn on the MFC power
switch.
WARNING
If the Status LED turns Red for a Service Error, please call Brother
Customer Service at: 1-800-284-4329 (in USA) or 1-877-BROTHER
(in Canada).
You can check the current memory size in the user setting list.
(See Printing reports on page 9-3.)