Cannot Find Machine on Wireless LAN
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Check1 Make sure machine is turned on.
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Check2 Make sure Wi-Fi lamp is lit on machine.
If the Wi-Fi lamp is off, the wireless LAN is disabled. Follow the procedure below to enable the wireless LAN.
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Press and hold Wi-Fi button and release it when ON lamp flashes.
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Press Color button, Black button, and then Wi-Fi button in this order.
When the ON lamp changed from flashing to lit and the Wi-Fi lamp lights up, and then the wireless LAN is enabled.
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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.
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Check4 Make sure machine setup is complete.
If it is not, perform setup.
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For Windows:
Use the Setup CD-ROM or follow the instructions on the Canon website.
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For Mac OS:
Follow the instructions on the Canon website.
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Check5 If using IJ Network Tool, look for machine again.
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For Windows:
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For Mac OS:
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Check6 If searching for machine over a network, make sure machine is associated with a port. (Windows)
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.
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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.
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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,
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For Windows:
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For Mac OS:
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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,
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For Windows:
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For Mac OS:
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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,
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For Windows:
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For Mac OS:
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Check11 Make sure computer network settings are correct.
Make sure the computer can communicate with the wireless router over the wireless LAN.
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Check12 Make sure Enable bidirectional support is selected in Ports sheet of properties dialog box of printer driver. (Windows)
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Check13 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.
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Check14 If using a router, connect machine and computer to LAN side (same network segment).
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Check15 If machine is connected to an AirPort Base Station via LAN, use alphanumeric characters for network name (SSID). (Mac OS)
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Check16 Check machine's TCP/IP setting and disable IPv6.
To check the current TCP/IP setting, print out the network setting information using the operation panel.
If "TCP/IPv6" is set to "Enable", both IPv4 and IPv6 are enabled.
Press and hold Stop button and release it when Alarm lamp flashes 23 times.
IPv6 is disabled and only IPv4 is enabled.
If the problem is not resolved, redo setup.
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For Windows:
Use the Setup CD-ROM or follow the instructions on the Canon website.
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For Mac OS:
Follow the instructions on the Canon website.
