Canon LBP6780x - All the Indicators on the Network Interface Are off

0978-0JU
Perform one of the following solutions according to the cause.
<Cause 1> The LAN cable is not connected properly or broken.
Solution 1 Remove the LAN cable once, and then connect it again.
Solution 2 Replace the LAN cable with another one, and then connect it.
<Cause 2> The cable is connected to the UP-LINK (cascade) port on the hub.
Solution 1 Connect the LAN cable to the port on the hub with an " X " mark.
Solution 2 If the hub has an UP-LINK (cascade) switch, switch to " X."
<Cause 3> A cross LAN cable is being used.
Solution 1 Replace the cable with a straight LAN cable.
Solution 2
Connect the cross LAN cable to the UP-LINK (cascade) port on the hub. If the hub has an UP-LINK
(cascade) switch, switch to the " = " side.
<Cause 4> Cannot communicate with the hub.
Solution 1 Make sure that the power of the hub is on.
Solution 2
Specify the communication settings for the print server according to the transmission speed of the
connected hub.
"Changing the Network Transmission Speed or Transfer Mode"
<Cause 5> The hardware of the printer is in an abnormal condition.
Solution Contact your local authorized Canon dealer to request service.
All the Indicators on the Network Interface Are Off
㻤㻡㻡㻌㻛㻌㻥㻣㻜