Bedienungsanleitung Canon PIXMA MX454 (Seite 27 von 215) (Englisch)

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The Machine Stopped Working Suddenly

Cannot Communicate with the Machine After the Network Settings Are Changed

Cannot Communicate with the Machine over the Wireless LAN

Cannot Print, Scan, or Fax from a Computer Connected to the Network

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 Communicate with the Machine over the Wireless LAN

• Check 1: Make sure that the machine is turned on.

• Check 2: Make sure that the network settings in the machine 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.

How to Set a WEP/WPA/WPA2 Key

• Check 3: 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 4: Make sure that there is no obstruction.

Wireless communication between different rooms or floors is generally poor. Adjust the location of the

devices.

•

Check 5: 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 6: 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

instruction manual of your network device or contact its manufacturer.

•

Check 7: Make sure that the radio status is good and adjust the installation positions

while monitoring the radio status with IJ Network Tool.

Monitoring Wireless Network Status

•

Check 8: 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 instruction manual provided with your computer or your wireless network device

to specify the valid wireless channel.

• Check 9: Make sure that the channel set to the access point is valid to communicate

with the computer, confirmed in Check 8.

If not, change the channel set to the access point.

•

Check 10: 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.

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Canon PIXMA MX454 Seite 27

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