Xerox DocuPrint C3055 User Manual page 185

2. To reject printing from a specific user:
Example:
Reject printing from "192.168.100.50"
3. To permit printing from a specific network address, reject printing from a particular
address within the network, but permit printing from a particular user within the
rejected address:
Example:
(1) Permit printing from "192.168.200.10"
(2) Reject printing from "192.168.200.xxx" excluding (1)
(3) Permit printing from "192.168.xxx.xxx" excluding (2)
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7.6 Security Features