Canon iR6570 Series Portable Manual page 113

Cause
The machine's TCP/IP is not in operation.
The selected server cannot be found. Check the settings.
The IP address in question cannot be identified.
If the login information for the LDAP server is
set to 'use (security authentication)', the host
name in question cannot be identified.
The selected server cannot be connected. Check the settings.
An attempt to connect to the IP address/port in
question fails.
Check the user name, password, or the settings.
If the login information of the LDAP server is
set to 'use' or 'use (security authentication)', the
user name or the password is wrong.
If the login information of the LDAP server is
set to 'use (security authentication)', the
domain name is wrong.
A timeout condition has occurred, and a search cannot be completed. Check the settings.
The search cannot be completed within the
specified period of time.
An upper limit for search results has been exceeded. If the desired address is not indicated
in the results, change the search conditions.
The number of matches has exceeded the
number of results brought up in response to the
search.
The search conditions include a character that cannot be used for the selected server.
The symbol \ is used in the search condition.
Remedy
In user mode, check the TCP/IP settings (IP
address, DHCP, RARP, BOOTP).
1. In user mode, check the DNS settings.
2. On the DNS side, check the DNS data
settings.
In user mode, check the TCP/IP settings (DNS
settings).
1. In user mode, check the TCP/IP settings
(gateway address of the IP address settings).
2. In user mode, check the LDAP server
settings.
3. Check to see that the LDAP server is
operating normally.
4. If the login information of the LDAP server
is set to 'use (security authentication)', check to
see if the UDP packet is blocked by a filter.
In user mode, check the LDAP server settings
(user name, password).
In user mode, check the LDAP server settings
(domain name).
In user mode, increase the length of time before
a timeout condition occurs (part of LDAP
server settings).
1. Narrow down the search conditions, and try
again.
2. Try increasing the upper limit.
Remove the symbol \ from the search
condition, and try once again.