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018-547  [Cause] The machine failed to transfer data using SMB of the Scan to PC service 
because the number of users logging into the SMB server exceeded the limit when 
logging in to the SMB server. 
[Remedy] Take one of the following measures: 
Confirm how many users can access the shared folder. 
Check whether the number of login users have exceeded the limit. 
018-596  [Cause] An error occurred during LDAP server authentication. 
[Remedy] Execute the operation again. If the error still is not resolved, contact our 
Customer Support Center. 
018-781  [Cause] An LDAP server protocol error occurred as a result of the Address Book 
operation. Connection to the server cannot be established for the Address Book 
query. 
[Remedy] Take one of the following measures: 
Confirm the network cable connection. 
If the network cable connection has no problem, confirm the active status of the 
target server. 
Check whether the server name has been correctly set for [LDAP Server/Directory 
Service Settings] under [Remote Authentication Server/Directory Service]. 
018-782 
018-783 
018-784 
018-785 
018-786 
018-787 
018-788 
018-789 
018-790 
018-791 
018-792 
018-793 
018-794 
018-795 
018-796 
018-797 
[Cause] An LDAP server protocol error occurred as a result of the Address Book 
operation. The server returned RFC2251 Result Message for Address Book query. 
[Remedy] Have your network administrator confirm the LDAP server status. 
027-452  [Cause] IP address of IPv4 already exists. 
[Remedy] Change the IP address of IPv4 set on the machine or the IP address of IPv4 
on the network device. 
027-500  [Cause] Unable to connect to the SMTP server. 
[Remedy] Specify the SMTP server name correctly or specify the server by using its IP 
address. 
027-706  [Cause] Unable to find the S/MIME certificate associated with the machine's e-mail 
address when sending e-mail. 
[Remedy] Import the S/MIME certificate corresponding to the mail address to the 
machine.