Canon PIXMA MG6821 User Manual - Page 845

If No Driver appears under Name in IJ Network Tool, the machine is not associated with a port. Select Associate Port in the Settings menu to associate a port with the machine. When Printer Driver Is Not Associated with Port Check7 Make sure machine and wireless router network settings match. See instruction manual provided with wireless router or contact its manufacturer to check wireless router settings, and then modify machine settings to match. Setting an Encryption Key Check8 Check for obstructions. Wireless communication between different rooms or floors is generally poor. Move the machine and wireless router as necessary. To check the radio status, • For Windows: Monitoring Wireless Network Status • For Mac OS: Monitoring Wireless Network Status Check9 Make sure the machine is not placed too far away from the wireless router. The machine can be up to 50 m (164 ft) from the wireless router indoors. Make sure the machine is close enough to the wireless router to be used. To check the radio status, • For Windows: Monitoring Wireless Network Status • For Mac OS: Monitoring Wireless Network Status Check10 Make sure there is no source of radio wave interference nearby. If a device like a microwave oven that emits radio waves of the same frequency bandwidth as a wireless router is nearby, it may cause interference. Place the wireless router as far away from interference sources as possible. To check the radio status, • For Windows: Monitoring Wireless Network Status • For Mac OS: Monitoring Wireless Network Status Check11 Make sure computer network settings are correct. Make sure the computer can communicate with the wireless router over the wireless LAN. Check12 Make sure Enable bidirectional support is selected in Ports sheet of properties dialog box of printer driver. (Windows) Check13 Make sure security software's firewall is off. 845