Cannot Find Printer while Using Wireless LANNote• This section describes the troubleshooting when using the computer.For the troubleshooting when using the smartphone or the tablet:Cannot Print/Scan from Smartphone/TabletCheck1 Check the power status of printer and other devices (wireless router, PC,smartphone, or tablet).Turn on the printer or devices.If the power is already turned on, turn it off and on again.Check2 Make sure Wi-Fi lamp is lit on operation panel.If the Wi-Fi lamp is off, the wireless LAN is disabled. Follow the procedure below to enable the wireless LAN.1. Press and hold Wi-Fi button and release it when Wi-Fi lamp flashes.2. Press Black button.3. Press the Wi-Fi button repeatedly until the Network lamp lights.4. Press Color button or Black button to finalize selection.Check3 Make sure printer setup is complete.If it is not, perform setup.• For Windows:Use the Setup CD-ROM or follow the instructions on the Canon website.• For Mac OS:Follow the instructions on the Canon website.Check4 If you can use IJ Network Device Setup Utility, look for printer again. (Windows)IJ Network Device Setup Utility ScreenCheck5 Make sure printer and wireless router network settings match.Make sure the network settings of the printer (e.g. wireless router name, SSID, network key, etc.) are identicalwith those of the wireless router.To check the settings of the wireless router, refer to the instruction manual provided with it or contact itsmanufacturer.214