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Canon printer PIXMA MG6821 User Manual

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    							Encryption Settings Screen Appears When Access Point Selected
    from Search Screen
    This screen appears automatically if the selected wireless router is encrypted. Set the same encryption
    settings as those set for the wireless router.
    
    						
    							Packets Are Sent Constantly (Windows)
    When IJ Network Scanner Selector EX is enabled, it periodically transmits packets to check communication
    with the machine over the network. If you are using your computer in a network environment other than the
    one used to set up the machine, disable IJ Network Scanner Selector EX.
    To disable IJ Network Scanner Selector EX, right-click the 
     icon on the notification area on the desktop
    and select  Disable Canon IJ Network Scanner Selector EX .
    862 
    						
    							Checking Network Information
    Checking Machine IP Address or MAC Address
    Checking Computer IP Address or MAC Address
    Checking Communication Between the Computer, the Printer, and the Wireless Router
    Checking Network Settings Information
    Checking Machine IP Address or MAC Address
    To check the machine's IP Address or MAC address, print out the network settings information or use the
    operation panel to display it.
    LAN settings
    Printing Network Settings
    You can check the network setting information on the computer screen.
    
    						
    							Click TCP/IP  to check the IP address.
    Click  Hardware  to check the MAC address.
    Checking Communication Between the Computer, the Printer, and the
    Wireless Router
    Perform a ping test to check if communication is taking place.
    
    						
    							If packet loss is 100%, communication is not taking place. Otherwise, computer is communicatingwith target device.
    Checking Network Settings Information
    To check the machine's network settings information, print out the network settings information or use the
    operation panel to display it.
    LAN settings
    Printing Network Settings
    865 
    						
    							Restoring to Factory Defaults
    Important
    
    						
    							Problems while Printing/Scanning from Smartphone/Tablet
    Cannot Print/Scan from Smartphone/Tablet
    867 
    						
    							Cannot Print/Scan from Smartphone/TabletIf you cannot print/scan from your smartphone/tablet, it is possible that your smartphone/tablet cannot
    communicate with the machine.
    Check the cause of your problem according to the connection method.
    Cannot Communicate with Machine over Wireless LAN
    Cannot Communicate with Machine while It Is in Direct Connection
    Note
    
    						
    							If the network settings of your smartphone/tablet are not identical with those of the wireless router, change thenetwork settings of it to match with those of the wireless router.
    Check5  Make sure machine is not placed far away from 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.
    Check6  Check for obstructions.
    Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices.
    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 wireless router as far away from the interference source as possible.
    Cannot Communicate with Machine while It Is in Direct Connection
    If your smartphone/tablet cannot communicate with the machine in the direct connection, check the
    following.
    Check1  Make sure machine is turned on.
    Check2 Is  icon displayed on the touch screen?
    If the icon is not displayed, tap the icon on the upper right, and then select  Activate direct connect. on the
    Change LAN  screen.
    Check3
     Check settings of your smartphone/tablet.
    Make sure your smartphone/tablet can use the wireless LAN.
    For more on performing setting of the wireless LAN, refer to the instruction manual provided with your smartphone/tablet.
    Check4  Have you selected machine as destination of your smartphone/tablet?
    Select the access point name (SSID) of the machine with your smartphone/tablet.
    Check5  Have you entered proper password specified for direct connection?
    If the security setting of the direct connection is enabled, you need to enter the password to connect your smartphone/tablet to the machine.
    Check6  Make sure machine is not too far away.
    Locate your smartphone/tablet close enough to communicate with the machine.
    Check7  Check for obstructions.
    Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices.
    869 
    						
    							Check8 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 the interference source as possible.
    Check9  Make sure 5 devices are already connected.
    Direct connection does not allow more than 5 devices to be connected.
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