Machine Suddenly Cannot Be Used

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

1. Check1 Make sure machine is turned on.

2. Check2 Make sure machine and wireless router network settings match.

   Make sure 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 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.

3. Check3 Make sure machine is not placed too far away from the wireless router.

   Place the wireless router and machine where there are no obstacles between them. Wireless communication between different rooms or floors is generally poor. Wireless communication can be impeded by building materials containing metal or concrete. If the machine cannot communicate with the computer over a wireless LAN due to a wall, place the machine and the computer in the same room.

   In addition, 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.

4. Check4 Make sure wireless signal is strong. Monitor signal status and move machine and wireless router as necessary.

   • For Windows:

     Monitoring Wireless Network Status

   • For Mac OS:

     Monitoring Wireless Network Status

5. Check5 Make sure you are using a valid channel.

   Usable wireless channels may be limited depending on wireless network device used by your computer. See the instruction manual provided with your computer or wireless network device to check usable wireless channels.

6. Check6 Make sure computer network settings are correct.

   For more on connecting and setting up a network device, see the device instruction manual or contact its manufacturer.

7. Check7 Make sure channel set on wireless router is a usable channel as confirmed in Check 5.

   If it is not, change the channel set on the wireless router.

8. Check8 Make sure security software's firewall is off.

   If your security software's firewall is on, a message may appear warning you that Canon software is attempting to 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.

9. Check9 If using a router, connect machine and computer to LAN side (same network segment).

10. Check10 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.

• For Windows:

  Use the Setup CD-ROM or follow the instructions on the Canon website.

• For Mac OS:

  Follow the instructions on the Canon website.

• Positioning:

  Make sure there are no obstacles between the wireless router and the machine.

Note

• To connect machine to Windows XP computer using cableless setup, follow these steps:

  Follow the procedure below to set up the machine and computer.

  1. Set machine to Access Point Mode.

  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-GXXXXseries" ("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 on the back of the machine.

  5. Use Setup CD-ROM or follow instructions on Canon website.

Cannot Communicate with Machine Using Access Point Mode

1. Check1 Make sure machine is turned on.

2. Check2 Is the access point mode disabled?

   Enable the access point mode following the procedure below.

   1. Press and hold Wi-Fi button and release it when ON lamp flashes.

   2. Press Black button, Color button, and then Wi-Fi button in this order.

      The ON lamp changed from flashing to lit and the access point mode is enabled.

3. Check3 Make sure machine is selected as connection for wireless communication device (e.g. computer, smartphone, or tablet).

   Select the access point name (SSID) specified for the machine as the connection destination for communication devices.

4. Check4 Have you entered the proper password specified for the access point mode?

   If the security setting of the access point mode is enabled, you need to enter the password to connect your communication device to the machine.

5. Check5 Make sure machine is not placed too far away from the wireless communication device.

   Place the wireless communication device and machine where there are no obstacles between them. Wireless communication between different rooms or floors is generally poor. Wireless communication can be impeded by building materials containing metal or concrete. If the machine cannot communicate with the computer over a wireless LAN due to a wall, place the machine and the computer in the same room.

   In addition, 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 communication device as far away from interference sources as possible.

6. Check6 Make sure 5 devices are already connected.

   Access Point Mode does not allow more than 5 devices to be connected.

Cannot Print or Scan from Network Computer

1. Check1 Make sure computer network settings are correct.

   For more on computer setup, see your computer instruction manual or contact its manufacturer.

2. 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.

3. 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.