Brother MFC4550 PLUS - Manual (Page 166)

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 modes for both fax
and printer operations.
Optional Memory for the Printer & Fax Operations
__
The MFC can recognize 1MB (ME 1000) or 2MB (ME2000) of Optional Memory, Be
careful to purchase the appropriate memory board for your needs.
For the Printer
Additional memory is useful and may be necessary if you want to download many
different fonts or want to print a very complex document.
For the Fax
Additional memory is available and will expand the memory used for sending and
receiving foxes.
Model Name Optional Memory Total
MFC 4550 plus
300 KB (up to 30 Pages)
1 MB (0,4 MB for Fax)
or
2 MB (0,9 MB for Fax)
0.7 MB (up to 70 Pages)
or
1.2 MB (up to 120 Pages)
* Using Brother #1 chart with MMR coding and Standard Resolution.
For the Copier
Additional memory will allow you to sort multiple copies (max. 60 pages).
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