Ricoh C2828 Function Manual page 631

3. Specify the range in which [Simple (Limitation)] is applied to "Printer Job Authentication".
You can specify the IPv4 address range to which this setting is applied, and whether or not to apply
the setting to the parallel and USB interfaces.
4. Press [Exit].
5. Press [OK].
6. Press [Exit].
7. Press the [User Tools/Counter] key.
User Code Authentication
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