Oki ES3640E User Manual page 195

In addition, if you select Secure Protocol as the Authentication
Method to access the MS Active Directory, check that the
following are configured correctly.
CATEGORY
Printer Admin Setup>
unit Network Setup>
TCP/IP Setup
Admin Setup>
Server Setup
Scanner Administrator Setup>
unit LDAP Settings>
Authentication
ITEM
DNS Setup
System Date
System Time
Time Zone
Domain
ES3640e MFP User's Guide> 195
COMMENT
Must be specified
correctly, to access
DNS server.
Must be adjusted to
LDAP server's date.
Must be adjusted to
LDAP server's time.
Must be adjusted to
LDAP server's time
zone.
Domain must be
registered in DNS
server.