Canon PIXMA MP495 Manual - Page 739
of 759 s, Cannot Communicate With the Machine/Cannot Print from the Machine - wireless driver
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Cannot Communicate With the Machine/Cannot Print from the Machine Check 3: Do not start up the Canon IJ Network Tool while printing. Check 4: Do not print while the Canon IJ Network Tool is running. Check 5: Make sure that Enable bidirectional support is selected in the Ports sheet of the properties dialog box of the printer driver. Opening the Printer Driver Setup Window Cannot Communicate with the Machine over the Network Check 1: Make sure that the machine is turned on. Check 2: Make sure that the Wi-Fi lamp is lit on the front side of the machine. If Wi-Fi lamp is off, Wireless LAN is inactive. Follow the procedure below to activate Wireless LAN. 1. Press the Maintenance button repeatedly until the LED displays as follows. Page 739 of 759 pages 2. Press the Color button. Check 3: Make sure that the network settings in the machine are identical with those of the access point. Refer to the manual provided with the access point or contact its manufacturer to check the access point settings, and then modify the machine settings. How to Set a WEP/WPA/WPA2 Key Check 4: 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 50 m from the access point. Check 5: Make sure that there is no obstruction. Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices. Check 6: 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 7: Make sure that the network settings of the computer are correct. For the procedures to connect a network device to the computer and set them up, refer to the manual of your network device or contact its manufacturer. Check 8: Make sure that the radio status is good and adjust the installation positions while monitoring the radio status with Canon IJ Network Tool. Monitoring Wireless Network Status Check 9: Make sure that the valid wireless channel is used. The wireless channel to be used may be limited depending on wireless network devices installed in the computer. Refer to the manual provided with your computer or your wireless network device to specify the valid wireless channel. Check 10: Make sure that the channel set to the access point is valid to