Canon printer PIXMA MG6821 User Manual
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Cannot Find Machine on Printers on Network List Screen The machine could not be detected with the current setup method.Select the Setting printer could not be found on the list check box and click Next. The screen to show another setup method is displayed. Perform setup following the instructions on the screen. 841
Cannot Proceed beyond Printer Connection Screen/Connect Cable Screen If you cannot proceed beyond the Printer Connection screen or the Connect Cable screen, check the following. Check1 Make sure USB cable is securely plugged in to machine and computer. Connect the machine and the computer using a USB cable as the illustration below. The USB port is located at the back of the machine. Check the items below only if you cannot proceed beyond the Printer Connection screen. Check2 Follow procedure below to connect machine and computer again. Important
7.Redo setup according to instructions on Canon website. Note
Cannot Find Machine on Wireless LAN Check1 Make sure machine is turned on. Check2 Is icon displayed on touch screen? If the icon is not displayed, tap the icon on the upper right and select Activate wireless LAN on the Change LAN screen. Check3 If machine is temporarily connected to computer via USB cable, make sure USB cable is connected properly. If you set up the wireless LAN connection or change the wireless LAN settings using IJ Network Tool over a USB connection, connect the machine and the computer using a USB cable as the illustration below. The USB port is at the back of the machine. Check4 Make sure machine setup is complete. If it is not, perform setup.
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,
If your security software's firewall is on, a message may appear warning you that Canon software is attemptingto access the network. If this warning message appears, set security software to always allow access. If you are using any programs that switch between network environments, check their settings. Some programs use a firewall by default. Check14 If using a router, connect machine and computer to LAN side (same network segment). Check15 If machine is connected to an AirPort Base Station via LAN, use alphanumeric characters for network name (SSID). (Mac OS) If the problem is not resolved, redo setup.
Network Connection Problems Machine Suddenly Cannot Be Used Network Key Unknown Administrator Password Set for Machine Unknown Machine Cannot Be Used After Replacing Wireless Router or Changing Its Settings Printing Is Slow Ink Level Not Shown on Printer Status Monitor (Windows) 847
Machine Suddenly Cannot Be Used Cannot Communicate with Machine Following Network Settings Change (Windows) Cannot Communicate with Machine via Wireless LAN Cannot Communicate with Machine Using Direct Connection Cannot Print or Scan from Network Computer Cannot Communicate with Machine Following Network Settings Change (Windows) It may take a while for the computer to obtain an IP address, or you may need to restart your computer. Make sure the computer has obtained a valid IP address, and try again to find the machine. Cannot Communicate with Machine via Wireless LAN Check1 Make sure machine is turned on. Check2 Make sure machine and wireless router network settings match. 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 Network Settings If the machine network settings do not match 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 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. Check4 Check for obstructions. Wireless communication between different rooms or floors is generally poor. Move the machine and wireless router as necessary. Check5 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. Check6 Make sure computer network settings are correct. 848
For more on connecting and setting up a network device, see the device instruction manual or contact itsmanufacturer. Check7 Make sure wireless signal is strong. Monitor signal status and move machine and wireless router as necessary.
2.Right-click Wireless Network Connections icon on notification area of desktop, and then click
View Available Wireless Networks .3.
Select network name on screen that appears, and then click Connect.
Select "XXXXXX-MGXXXXseries" ("XX" represents alphanumeric characters) as network name.
4.
Enter network key on screen that appears, and then click Connect.
By default, the serial number of the machine is used as the network key. Check the serial number by one of the following methods.