Canon PIXMA MX492 User Manual - Page 585

The Machine Stopped Working Suddenly Cannot Communicate with the Machine over the Wireless LAN Cannot Communicate with the Machine while It Is in the Access Point Mode Cannot Print or Scan from a Computer Connected to the Network Cannot Communicate with the Machine over the Wireless LAN Check1 Make sure that the machine is turned on. Check2 Are the network settings of the machine identical with those of the wireless router? Make sure that the network settings of the machine (e.g. wireless router name, SSID, network key, etc.) are identical with those of the wireless router. To check the settings of the wireless router, refer to the instruction manual provided with it or contact its manufacturer. To check the current network settings of the machine, print out the network setting information. Printing Out Network Setting Information If the network settings of the machine are not identical with those of the wireless router, change the network settings of the machine to match with those of the wireless router using IJ Network Tool. Check3 Make sure that the machine is not placed far away from the wireless router. The wireless router is located indoors within the effective range for wireless communication. Locate the machine within 164 ft. / 50 m from the wireless router. Check4 Make sure that there is no obstruction. Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices. Check5 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 as possible. Check6 Make sure that the network settings of the computer are correct. For the procedures to connect a network device to the computer and set them up, refer to the instruction manual of your network device or contact its manufacturer. Check7 Make sure that the radio status is good and adjust the installation positions while monitoring the radio status with IJ Network Tool. Monitoring Wireless Network Status Check8 Make sure that a valid wireless channel is used. 585