Canon PIXMA MP495 Manual - Page 737

Cannot Communicate With the Machine/Cannot Print from the Machine Page 737 of 759 pages Advanced Guide > About Network Communication > Troubleshooting > Cannot Communicate With the Machine/Cannot Print from the Machine N042 Cannot Communicate With the Machine/Cannot Print from the Machine Cannot Communicate with the Machine After Applying MAC/IP Address Filtering or Entering a WEP/ WPA/WPA2 Key to the Access Point Cannot Communicate with the Machine After the Network Settings Are Changed Cannot Connect to the Target Access Point When Encryption Is Enabled, Cannot Communicate With the Machine After the Encryption Type Was Switched on the Access Point Cannot Communicate with the Machine with USB Connection Cannot Communicate with the Machine over the Network The Machine Cannot Be Detected in the Network Cannot Communicate with the Machine After Applying MAC/IP Address Filtering or Entering a WEP/WPA/WPA2 Key to the Access Point Check 1: Confirm the access point setting. Refer to the manual provided with the access point or contact its manufacturer to confirm the access point setting. Make sure that the computer and the access point can communicate with each other under this setting. Check 2: If you are performing MAC address filtering or IP address filtering at the access point, confirm that the MAC address or IP address for both the computer or the network device and the printer are registered. Check 3: If you are using a WEP/WPA/WPA2 key, make sure that the key for the computer or the network device and the printer matches that set to the access point. Besides the WEP key itself, the key length, key format, the key ID to use, and the authentication method must match among the machine, the access point, and the computer. Normally, select Auto for the authentication method. If you want to specify the method manually, select Open System or Shared Key according to the setting of the access point. How to Set a WEP/WPA/WPA2 Key Cannot Communicate with the Machine After the Network Settings Are Changed Wait until the IP address is assigned to the computer. You may need to restart your computer. Search for the printer again after confirming a valid IP address is assigned to the computer. Cannot Connect to the Target Access Point Check 1: Make sure that the SSID/network name of the target access point and the machine are identical. For the procedures to connect an access point and set it up, refer to the manual of your access point or contact its manufacturer. For the procedures to set up the printer, see Changing the Settings in the Wireless LAN Sheet. Check 2: Make sure that the Wi-Fi lamp is lit on the front side of the machine.