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 Make sure the printer is turned on.Check2 Is icon displayed on the touch screen?If the icon is not displayed, select Active on WLAN active/inactive in Wireless LAN under LAN settings.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.To check the current network settings of the printer, print out the network setting information.Printing Network SettingsCheck6 Make sure the printer is not placed too far away from the wireless router.Place the wireless router and printer where there are no obstacles between them. Wireless communicationbetween different rooms or floors is generally poor. Wireless communication can be impeded by buildingmaterials containing metal or concrete. If the printer cannot communicate with the computer over a wireless LANdue to a wall, place the printer and the computer in the same room.351
