Ricoh 3045 Facsimile Reference Manual page 206

Changing/Confirming Communication Information
C
Select a file whose SMTP server setting you want to change.
D
Press [Change].
4
E
Press [SMTP].
F
Select [Yes] or [No], and then press [Exit].
G
Press [Exit].
Repeat from step
H
Press [Exit].
The standby display appears.
196
C
to change the SMTP server settings of other recipients.