Brother MFC7150C - Manual (Page 226)

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
fax operations.
Optional Memory for the Fax Operations
The MFC 7160C can recognize 2MB (ME2000) of Optional Memory. Be
careful to purchase the appropriate memory board.
Additional memory for the fax will expand the memory used for sending
and receiving faxes.
Model Name Optional Memory Total
MFC 7160C
4 MB (up to 300 pages)
2 MB (up to 100 pages)
6 MB (up to 500 pages)
N/A
2 MB (for Fax)
MFC 7150C
2 MB (up to 100 pages)
Using Brother #1 chart, with MMR coding and Standard Resolution.
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C H A P T E R T W E N T Y T W O
Optional
Accessories
(For MFC 7160C Only)