Ricoh Aficio MP C3001 Service Manual page 1720

Fax Unit Configuration
5.4 FAX UNIT CONFIGURATION
Component
MBU
FCU
FCU I/F
GWFCU I/F
Speaker
Expansion Memory
CCU I/F Board
SG3 Board
SG3 Board (2nd)
Handset Type 1018
D393
Code No.
9
4
D393 Included with the fax unit
2
1
5
G578 3 Optional
8
D393 Optional
6
D393 7 Optional
B433 - NA only. Also used with J-C2
172
Remarks
SM