Brother IntelliFax-3550 Service Manual page 33

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FAX engine (ASIC) which manages the I/Os, memories, drivers and image proces-
sor as well as controlling the laser printing unit.
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8-pin modular connector for the PC interface (RS-232C), provided on the FAX3550/
3650/8000P/8200P.
Main PCB Circuit Diagram 1/7
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