Canon PIXMA MG5540 User Manual download pdf (Page 10)

The Machine Stopped Working Suddenly

Cannot Communicate with the Machine over the Wireless LAN

Cannot Print or Scan from a Computer Connected to the Network

Cannot Communicate with the Machine over the Wireless LAN

Check1

Make sure that the machine is turned on.

Check2

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

Check3

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.

Check4

Make sure that there is no obstruction.

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

Check5

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.

Check6

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.

Check7

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

Check8

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.

Check9

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.

Check10

Make sure that the firewall of the security software is disabled.

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Canon PIXMA MG5540 User Manual Page 10