• Make sure the user group name registered on the printer and the group name on the DC (domain
controller) are exactly the same. The DC is case sensitive.
•
Make sure that "Use Auth. Info at Login" has been specified in "Auth. Info" in the user account
registered on the printer.
• If there is more than one DC, make sure that a confidential relationship has been configured
between each DC.
W0400-107 : Case 3
The domain name cannot be resolved.
•
Make sure that DNS/WINS is specified in the domain name in the "Network" setting in Web
Image Monitor or "Interface Settings" on the control panel (SP 4520DN only).
W0400-200
Due to the high number of authentication attempts, all resources are busy.
•
Wait a few minutes and then try again.
W0400-202 : Case 1
The SSL settings on the authentication server and the printer do not match.
•
Make sure the SSL settings on the authentication server and the printer match.
W0400-202 : Case 2
The user entered sAMAccountName in the user name to log in.
•
If a user enters sAMAccountName as the login user name, ldap_bind fails in pa arent/subdomain
environment.
• Use UserPrincipleName for the login name instead.
W0406-003
An authentication error occurred because the user name contains a space, colon (:), or quotation mark
(").
•
Recreate the account if the account name contains any of these prohibited characters.
• If the account name was entered incorrectly, enter it correctly and log on again.
W0406-101
Authentication cannot be completed because of the high number of authentication attempts.
•
Wait a few minutes and then try again.
• If the situation does not return to normal, make sure that an authentication attack is not occurring.
• Notify the administrator of the screen message by e-mail, and check the system log for signs of an
authentication attack.
8. Troubleshooting
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