The Machine Cannot Be Detected in the Wireless LANCheck1 Make sure that the machine is turned on.Check2 Is WLAN activ./inactiv. in LAN settings under Device settings set to WLANinactive?Check3 When the machine is connected to the computer temporarily using a USBcable, make sure that the USB cable is connected properly.When you set up the wireless LAN connection using a USB cable or change the wireless LAN settings using IJNetwork Tool, connect the machine and the computer securely.Connecting the Machine to the Computer Using a USB CableCheck4 Make sure that the machine setup is completed.If not, perform setup with the Setup CD-ROM or perform it according to the instructions on our website.Check5 When using IJ Network Tool, click Update to search for the machine again.Canon IJ Network Tool ScreenCheck6 When searching for a machine over a network, make sure that the machine isassociated with the port.When No Driver is displayed under Name in IJ Network Tool, there is no association. Select Associate Port onthe Settings menu, then associate the port with the machine.When the Printer Driver Is Not Associated with a PortCheck7 Make sure that the network settings in the machine are identical with those ofthe access point.Refer to the instruction manual provided with the access point or contact its manufacturer to check the accesspoint settings, and then modify the machine settings.How to Set a WEP/WPA/WPA2 KeyCheck8 Make sure that there is no obstruction.Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices.Check9 Make sure that the machine is not place as far away from the access point.The access point is located indoors within the effective range for wireless communication. Locate the machinewithin 164 ft. / 50 m from the access point.Check10 Make sure that there is no source of radio wave interference in your vicinity.If a device (e.g. microwave oven) using the same frequency bandwidth as the wireless station is placed nearby,the device may cause interference. Place the wireless station as far away from the interference source aspossible.Check11 Make sure that the network settings of the computer are correct.Make sure that the computer can communicate with the machine and the access point over the wireless LAN.731