Ricoh Aficio MP 161SPF - Manual (Page 149)

Registering Names
141
7
E
Enter the registration number you want to program using the number keys
or the Quick Dial keys, and then press the {OK} key.
When you register a new Reg. No., currently available numbers are automat-
ically displayed.
You can automatically specify registration numbers 001-016 by pressing the
Quick Dial keys.
F
Enter the name and then press the {OK} key.
For the user name, up to 20 characters are usable.
G
Press the {OK} key.
H
Press the {User Tools/Counter} key.
Reference
"Entering Text", About This Machine