I recently had to update the firmware for my ASUS AC2400 dual band router. After I updated it, my Canon Imageclass MF726CDW printer can no longer see either the 2.4 or 5G wireless networks. It can see a third network from xfinity, but all my computer...
Not sure why this was the case, but the router firewall was keeping the printer from seeing it. I turned off the firewall and was able to reconnect the printer then turn the firewall back on. I also set a static IP for the printer.
Yes the router is broadcasting as I can see and connect to it via my cell phone and other devices. Both 2.4 GHz and 5 GHz wireless networks are active. There are no settings excluding the printer I can find. The router is 12 inches from the printer s...