Brother IntelliFax-3550 Service Manual page 39

1
1
Centronics parallel interface circuitry (for the MFC4450/4550/4550plus/6550MC/
7550MC/7650MC/9000/9500)
Connector P15 is compatible with the standard Centronics parallel interface.
2
Backup circuit for the calendar clock of the control panel
2-1:
For FAX3550/3650/8000P/8200P/MFC4450/4550/4550plus/9000
2-2:
For MFC6550MC/7550MC/7650MC/9500 (This circuit backs up also the im-
age and voice data.)
Main PCB Circuit Diagram 6/7
III – 20
2
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2
-2
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