Canon PIXMA iX6850 - Manual (Page 256)

The Printer Cannot Be Detected in the Wired LAN
Check1 Make sure that the printer is turned on.
Check2 Is the wired LAN setting of the printer activated?
To check whether the wired LAN is activated, print out the network setting information.
Printing Out Network Setting Information
If the wired LAN is inactive, press and hold the RESUME/CANCEL button, then release the button when the
POWER lamp flashes white 11 times. The wired LAN is activated.
Check3 Make sure that the LAN cable is connected properly.
Make sure that the printer is connected to the router with the LAN cable. If the LAN cable is loose, connect the
cable properly.
If the LAN cable is connected to the WAN side of the router, connect the cable to the LAN side of the router.
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