Canon PIXMA MG6821 User Manual - Page 851

Check6 Check for obstructions. Wireless communication between different rooms or floors is generally poor. Move the machine as necessary. Check7 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 machine as far away from interference sources as possible. Check8 Make sure 5 devices are already connected. Direct Connection does not allow more than 5 devices to be connected. Cannot Print or Scan from Network Computer Check1 Make sure computer network settings are correct. For more on computer setup, see your computer instruction manual or contact its manufacturer. Check2 If MP Drivers are not installed, install them. • For Windows: Install the MP Drivers using the Setup CD-ROM or install them from the Canon website. • For Mac OS: Install the MP Drivers from the Canon website. Check3 Make sure wireless router does not restrict which computers can access it. For more on connecting to and setting up your wireless router, see the wireless router instruction manual or contact its manufacturer. Note • To check the MAC address or IP address of your computer, see Checking Computer IP Address or MAC Address. 851