Canon printer PIXMA MG7720 User Manual

							Check6 Make sure computer network settings are correct.
For more on connecting and setting up a network device, see the device instruction manual or contact its manufacturer.
Check7  Make sure wireless signal is strong. Monitor signal status and move machine
and wireless router as necessary.

						

							2.Right-click Wireless Network Connections  icon on notification area of desktop, and then click
View Available Wireless Networks .3.
Select network name on screen that appears, and then click  Connect.
Select "XXXXXX-MGXXXXseries" ("XX" represents alphanumeric characters) as network name.
4.
Enter network key on screen that appears, and then click  Connect.
By default, the serial number of the machine is used as the network key. Check the serial number by one of the following methods.

						

							Check6 Check for obstructions.
Wireless communication between different rooms or floors is generally poor. Move the machine as necessary.
Check7  Make sure there is no source of radio wave interference nearby.
If a device like a microwave oven that emits radio waves of the same frequency bandwidth as a wireless router
is nearby, it may cause interference. Place the machine as far away from interference sources as possible.
Check8  Make sure 5 devices are already connected.
Direct Connection does not allow more than 5 devices to be connected.
Cannot Communicate with Machine via Wired LAN
Check1  Make sure machine is turned on.
Check2 Make sure the LAN cable is connected properly.
Make sure the machine is connected to the router with the LAN cable. If the LAN cable is loose, connect the
cable properly.
If the LAN cable is connected to the WAN side of the router, connect the cable to the LAN side of the router.
If the problem is not resolved, redo setup.

						

							For more on connecting to and setting up your wireless router, see the wireless router instruction manual or
contact its manufacturer.
Note

						

							Network Key Unknown
WEP or WPA/WPA2 Key Set for Access Point Unknown, Cannot Connect
Setting an Encryption Key
WEP or WPA/WPA2 Key Set for Access Point Unknown, Cannot
Connect
For details on setting up a wireless router, see the instruction manual provided with the wireless router or
contact its manufacturer. Make sure your computer can communicate with the wireless router.
Set up the machine to match the wireless router settings using IJ Network Tool.
Setting an Encryption Key
For details on setting up a wireless router, see the instruction manual provided with the wireless router or
contact its manufacturer. Make sure your computer can communicate with the wireless router.
Set up the machine to match the wireless router settings using IJ Network Tool.

						

							If the machine is connected to an AirPort Base Station via a LAN, check the settings in
Wireless Security  of AirPort Utility .
						

							Administrator Password Set for Machine Unknown
Initialize the machine settings.
Select  Reset all  to restore administrator password to default.
Reset setting
After initializing the machine settings, redo setup.

						

							Machine Cannot Be Used After Replacing Wireless Router or
Changing Its Settings
When you replace a wireless router, redo the network setup for the machine.

						

							With Encryption On, Cannot Communicate with Machine After
Changing Encryption Type at Wireless Router
If you change the encryption type for the machine and it subsequently cannot communicate with the
computer, make sure the encryption type for the computer and the wireless router matches the type set
for the machine.
Cannot Communicate with Machine After Enabling MAC/IP Address Filtering or Encryption Key on
Wireless Router
919 
						

							Printing Is Slow
Check1 Machine may be printing or scanning a large job from another computer.
Check2  When using wireless LAN, monitor signal status and move machine and
wireless router as necessary.