Ricoh D072 Service Manual page 399

System Service Mode (F/SPF: D068/D069)
Device Setting
The NIC and USB support features are built into the GW controller. Use this
5985
SP to enable and disable these features. In order to use the NIC and USB
functions built into the controller board, these SP codes must be set to "1".
001 On Board NIC
002 On Board USB
D067/D068/D069/D072
[0 to 2 / 0 / 1 /step]
0: OFF, 1: ON, 2: ON: Limited
When the "Function limitation" is set, "On board NIC" is
limited only for the @Remote or LDAP/NT authentication.
Other network applications than @Remote or
LDAP/NT authentication are not available when
this SP is set to "2". Even if you can change the
initial settings of those network applications,
settings may not actually work.
[0 or 1 / 0 / 1/step]
0: OFF, 1: ON
5-90 SM Appendix