Memory board, Installing extra memory, Important – Brother Fax Machine/Multi-Function Center MFC-9125CN User Manual
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Memory board
B
MFC-9325CW and MFC-9125CN have 
64 MB of standard memory. They also have 
one slot for optional memory expansion. You 
can increase the memory up to a maximum of 
576 MB by installing one SO-DIMM (Small 
Outline Dual In-line Memory Module). When 
you add the optional memory, it increases the 
performance for both copier and printer 
operations.
In general, the machine uses 
industry-standard SO-DIMM with the 
following specifications:
Type: 144 pin and 64 bit output
CAS latency: 2
Clock frequency: 100 MHz or more
Capacity: 64, 128, 256 or 512 MB
Height: 1.25 in. (31.75 mm)
Dram Type: SDRAM 2 Bank
For information regarding memory for your 
Brother machine please visit us at: 
Note
• There might be some SO-DIMMs that will
not work with the machine.
• For more information, call Brother
Customer Service.
Installing extra memory
B
a
Turn off the machine’s power switch. 
Unplug the telephone line cord.
b
Disconnect the interface cable from the 
machine, and then unplug the power 
cord from the AC power outlet.
Note
Be sure to turn off the machine’s power 
switch before you install or remove the 
SO-DIMM.
c
Remove the plastic (1) and then 
metal (2) SO-DIMM covers.
d
Unpack the SO-DIMM and hold it by its 
edges.
IMPORTANT
To prevent damage to the machine from 
static electricity, DO NOT touch the 
memory chips or the board surface.
1
2
