Ricoh C2828 Function Manual page 656

3. Users/Authentication and its Application
4. Press [Change] for "Unique Attribute".
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5. Enter the unique attribute and then press [OK].
Specify Unique Attribute on the machine to match the user information in the LDAP server with that in
the machine. By doing this, if the Unique Attribute of a user registered in the LDAP server matches that
of a user registered in the machine, the two instances are treated as referring to the same user. You
can enter an attribute such as "serialNumber" or "uid". Additionally, you can enter "cn" or
"employeeNumber", provided it is unique. If you do not specify the Unique Attribute, an account with
the same user information but with a different login user name will be created in the machine.
6. Press [OK].
7. Press the [User Tools/Counter] key.
• p.150 "Limiting Available Functions"
Selecting Simple (Limitation)
If you select [Simple (Limitation)], you can specify clients for which printer job authentication is not required.
Specify [Parallel Interface: Simple], [USB: Simple] and the clients' IPv4 address range in which printer job
authentication is not required. Specify this setting if you want to print using unauthenticated printer drivers
or without any printer driver. Authentication is required for printing with non-specified devices.
If you select [Simple (Limitation)], you can print even with unauthenticated printer drivers or devices. Specify
this setting if you want to print with a printer driver or device that cannot be identified by the machine or if
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