Read Sharp AR-FX12 (serv.man7) Service Manual online
AR-FX12 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4-4
3. PWB
1 Modem control PWB
FAX communication control
2 FAX FLASH ROM PWB
FAX control program
3 FAX power PWB
Supplies power to the FAX unit.
4 TEL/LIU PWB
TEL line communication control
5 FAX I/F PWB (Installed to the machine side)
Connection between FAX and MFP controller
6 FAX extended memory (Installed to FAX I/F PWB)
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