Ricoh C23535 Operating Instructions Manual page 588

Authentication and its Application
H
Press [Simple (Limitation)]
2
I
Press [Change].
J
Specify the range in which [Simple (Limitation)] is applied to Printer Job Au-
thentication.
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.
K
Press [Exit].
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