Ricoh MP 161 Function Manual page 109

D
Select [On] using {U} or {T}, and then press the {OK} key.
The screen returns to that of step
E
Press the {Escape} key.
The standby screen returns.
F
Enter the fax number of a destination or an IP-Fax destination.
G
Press the User Function key ({F1} to {F3}) programmed with [SUB/SEP Code].
H
Enter a SUB Code, and then press the {OK} key.
If you make a mistake, press the {Clear/Stop} key before pressing the {OK}
key, and then try again.
C
.
ASO029S
Setting SUB Codes for Transmission
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