Ricoh Aficio MP C3500 Operating Instructions Manual page 117

I
Press [Yes].
Do not switch the main power off during encryption, as doing so may corrupt
the data.
Encrypting the data in the address book may take a long time.
The time it takes to encrypt the data in the address book depends on the
number of registered users.
The machine cannot be used during encryption.
Normally, once encryption is complete, [Exit] appears.
If you press [Stop] during encryption, the data is not encrypted.
If you press [Stop] during decryption, the data stays encrypted.
J
Press [Exit].
K
Press [OK].
L
Press the {User Tools/Counter} key.
Protecting the Address Book
3
109