Ricoh D146 Service Manual page 147

Internal Options
D146/D147
Slot
*1
[A] I/F slot A
[B] I/F slot B
*2
[C] USB port
*1 Dedicated slot for fax unit
*2 There is no difference between the left and right USB port.
SM
Fax Option Type M3
IEEE 1284 Interface Board Type A
File Format Converter Type E
IEEE 802.11a/g/n Interface Unit Type M2
RC-GATE/LB
Color Controller Connection Board Type M3
Bluetooth Interface Unit Type D
Smart Card Reader Built-in Unit Type M2
2-141
Option
D146/D147/D148/D149/D150