Canon MB5400 SERIES Online Manual page 1073

Check 6: Cannot Find Machine on Check Printer Settings Screen
During Wireless LAN Setup
Check wireless router settings.
Check wireless router network connection settings, such as IP address filtering, MAC address filtering,
and DHCP function.
Make sure the same radio channel is assigned to the wireless router and the printer.
To check the settings of the wireless router, see the instruction manual supplied with the wireless router or
contact the manufacturer.
After checking the wireless router settings, click Redetect on the Check Printer Settings screen to
redetect the printer.
If the printer is found, follow the instructions on the screen to continue to set up network communication.
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