Check 1: Make sure that the machine is turned on.
Check 2: Is Change wireless/wired in LAN settings under Device settings set to Disable LAN?
Check 3: When the machine is connected to the computer temporarily using a USB cable, make sure that the USB cable is connected properly.
When you set up the wireless LAN connection using a USB cable or change the wireless LAN settings using IJ Network Tool, connect the machine and the computer securely.
Check 4: Make sure that the machine setup is completed.
If not, setup with the Setup CD-ROM.
Check 5: When using IJ Network Tool, click Update to search for the printer again.
Check 6: Make sure that the network settings in the printer are identical with those of the access point.
Refer to the instruction manual provided with the access point or contact its manufacturer to check the access point settings, and then modify the machine settings.
Check 7: Make sure that there is no obstruction.
Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices.
Check 8: Make sure that the machine is not place as far away from the access point.
The access point is located indoors within the effective range for wireless communication. Locate the machine within 164 ft. / 50 m from the access point.
Check 9: Make sure that there is no source of radio wave interference in your vicinity.
There may be a device such as a microwave oven using the same frequency bandwidth as the wireless station. Place the wireless devices as far away from the interference source as possible.
Check 10: Make sure that the network settings of the computer are correct.
Make sure that the computer can communicate with the printer and the access point over the wireless LAN.
Check 11: Make sure that the firewall of the security software is disabled.
If the firewall function of your security software is turned on, a message may appear warning that Canon software is attempting to access the network. If the warning message appears, set the security software to always allow access.
If using any programs that switch the network environment, check their settings. Some programs will enable a firewall by default.
Check 12: When using a router, connect the printer and computer to the LAN side (same network segment).
Check 13: When the printer is connected to an AirPort Base Station via a LAN, use alphanumeric characters for the name of the network (SSID).
If the problem is not resolved, insert the CD-ROM in the DVD/CD-ROM drive on your computer to start setting up again, or access our web site through the Internet and download the latest MiniMasterSetup for your model.
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