Ricoh MP C6502 series Operation Manual page 1083

3. Restricting Machine Usage
7. Set "Restrict Use of Destinations (Scanner)" or "Restrict Adding of User Destinations
(Scanner)" to [On].
If you set "Restrict Use of Destinations (Scanner)" to [On], "Restrict Adding of User Destinations
(Scanner)" will not appear.
8. Press [OK].
9. Press the [Login/Logout] key.
A confirmation message appears.
If you press [Yes], you will be automatically logged out.
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