Canon i-SENSYS MF729Cx Important Safety Instructions And Installation Manual page 616

The server has not been started up or a network connection has been cut.
(Failure to connect to the destination is sometimes caused by a disconnection en route.)
Check the destination.
Check the network status.
Viewing Network Settings
The IP address was not set correctly.
Check <TCP/IP Settings>.
Setting IP Addresses
Data transmission failed because Windows is referencing a shared folder (SMB).
When the transfer of incoming fax data to the shared folder (SMB) fails due to an error, load the printed incoming
data and send it to the transfer destination.
＃752
An e-mail/I-Fax could not be sent because an incorrect SMTP server name was set.
Check the SMTP server name, and correct the setting.
Configuring Basic E-mail Settings
Configuring E-mail/I-Fax Communication Settings
An e-mail/I-Fax could not be sent because an incorrect domain name was set.
Check the domain name, and correct the setting.
Configuring DNS
An e-mail/I-Fax could not be sent because the machine was not connected to a network correctly.
Check whether the machine is properly installed and correctly connected to the network.
Installation/Settings Problems
＃753
Scanned data could not be sent as e-mail or I-Fax nor stored in the shared folder or FTP server because the LAN
cable is disconnected.
Check whether the LAN cable is connected correctly.
Connecting to a Wired LAN
＃755
Scanned data could not be sent as e-mail or I-Fax nor stored in the shared folder or FTP server because TCP/IP
was not working correctly.
Check <TCP/IP Settings>, and set correctly.
Network Settings
An IP address is not set.
Set the IP address correctly.
Setting IP Addresses
The machine cannot communicate with devices on a network immediately after the machine starts up because
the waiting time for the start of the communication is set.
The machine cannot start communicating immediately after it is turned ON. Wait until the set time for <Waiting Time
for Connection at Startup> passes after turning ON the machine, and send again.
Setting a Wait Time for Connecting to a Network