Ricoh D146 Service Manual page 2003

6.5.2 G3 INTERFACE UNIT TYPE M4 (D148/D149/D150)
Component
FCU
GWFCU I/F
Expansion Memory
SG3 Board
CCU I/F Board
SM
Code No.
3
D167 Included with the fax unit
5
G578 4 Optional
2
D167 Included with optional G3 unit
1
227
Remarks
D163