Canon iR2545i Troubleshooting Manual page 6

UDP (User Datagram Protocol) packages are blocked by the filter.
Cannot connect to the server because timer settings for this device differ to
those of the selected server.
Cause The time setting of the LDAP server and the time setting of the machine are more than five
minutes apart.
Remedy The machine cannot connect to an LDAP server if the time setting of the server and the time
setting of the machine are more than five minutes apart with <Login Information> set to 'Use
(security authenticate.)' for the LDAP server. Check the time settings on the server and the
machine.
Cannot find the selected server. Check the settings.
Cause The IP address that the machine should connect to cannot be determined.
Remedy Check the DNS (Domain Name System) server settings.
Remedy Check whether the DNS server's DNS settings are correct.
Cause If <Login Information> is set to 'Use (security authent.)' for the LDAP server, the machine
cannot determine the host name.
Remedy Check the DNS (Domain Name System) server settings.
Check the TCP/IP.
Cause The machine's TCP/IP is not operating.
Remedy Check the IP address settings (IP address, DHCP, RARP, BOOTP).
Cause The machine and the network cable are not properly connected.
Remedy Check that the network cable is properly connected between the machine and the network.
Check the user name and password or check settings.
Cause The user name, password, or server name for access to Authorized Send is incorrect.
Remedy Make sure that the specified user name, password, and server name are correct.
Cause The user attribute name, administrator's ID, or password for access to Authorized Send is
incorrect.
Remedy Check that <Attribute of User Name>, <User Name>, and <Password> on the LDAP
Authentication Server Settings page are set correctly.
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