Canon LBP-3300 Network Manual page 159

Cause 6 The [Use the Unicast Communicate Mode] check box was selected when
installing Canon CAPT Print Monitor. (The printer is in the unicast
communication mode.)
Remedy When resetting to the default mode (the broadcast communication mode),
uninstall Canon CAPT Print Monitor once, then install it again. When installing
Canon CAPT Print Monitor, make sure that the [Use the Unicast Communicate
Mode] check box is not selected in the following screen which is displayed when
installing Canon CAPT Print Monitor, and then click [Next].
For details on the procedure for uninstalling Canon CAPT Print Monitor, see
"Uninstalling Canon CAPT Print Monitor" (p. 2-79), and for details on the
installation procedure, see "Installing the Canon CAPT Print Monitor" (p. 2-26).
IMPORTANT
When using the unicast communication mode, be sure to see "Using the Unicast
Communication Mode," on p. 5-12 or consult your network administrator.
All the indicators on the network board are off.
Cause 1 The LAN cable is not connected properly or broken.
Remedy 1 Remove the LAN cable once, then connect it again.
Remedy 2 Replace the LAN cable with another one, then connect it.
Cause 2 The cable is connected to the UP-LINK (cascade) port on the hub.
Remedy 1 Connect the LAN cable to a port with a "X" mark.
Remedy 2 If the hub has a UP-LINK (cascade) switch, switch to "X".
Cause 3 A cross LAN cable is being used.
Remedy 1 Replace the cable with a straight LAN cable.
Miscellaneous Problems
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