Pcbs; Fcu - Ricoh FACSIMILE FAX77 Field Service Manual

3-4. PCBs

3-4-1. FCU

Note for FCU replacement:
FAX 85 - If possible, print all messages
received into memory, and print a SAF File
List.
1. Open the upper unit.
2. Remove the FCU cover [A] (5 screws).
3. Remove the side cover [B].
4. Take off the modem [C], SRAM board
[D], or memory (FAX85) [E].
Caution: Do not dislodge battery jumper
SW1 on the SRAM Board, or the
machine must be reprogrammed
(see "SRAM Board" below).
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