13 Optional accessories; Memory board; Model Name- Page 199

OPTIONAL ACCESSORIES   

13 - 1

13

Memory board

The memory board is installed on the main controller board inside the 
MFC. When you add the optional memory board, it increases the 
performance for both copier and printer operations.

Optional accessories

Model Name

Optional Memory

MFC-8440 (32 MB Standard Memory)

32MB   TECHWORKS 12457-0001

MFC-8640D (16 MB Standard Memory

64MB   TECHWORKS 12458-0001

MFC-8840D (32 MB Standard Memory)

128MB   TECHWORKS 12459-0001

MFC-8840DN (32 MB Standard Memory)

In general, the DIMM must have the following specifications:

Type:

100 pin and 32 bit output

CAS Lantency:

2 or 3

Clock Frequency:

100MHz or more

Capacity:

32, 64, 128MB

Height:

1.4 inches (35mm) or less

Parity:

NONE

DRAM Type:

SDRAM 4 Bank

Some DIMMs might not work with this MFC. For the latest 
information from Brother visit:

http://solutions.brother.com