Oki MC853 User Manual page 468

Specifying a Destination (One-touch Button)
You can select an e-mail address that is registered to the speed dial list with a one-touch
button.
Memo
Specify a destination in step 5 in
To select the speed dial numbers 09 to 40 that are assigned to one-touch buttons, press
or to switch between the screens.
Topics
Sending an Internet Fax (Procedure)
Specifying a destination in other methods
Specifying a Destination (Direct Entry)
Specifying a Destination (Address Book/Group List)
Specifying a Destination (Transmission History)
Specifying a Destination (LDAP Server)
"Sending an Internet Fax
467
(Procedure)".