Canon MX490 series Online Manual page 814

To check the settings of your smartphone/tablet, refer to the instruction manual provided with it.
If the network settings of your smartphone/tablet are not identical with those of the wireless router, change the
network settings of it to match with those of the wireless router.
Make sure that the machine is not placed far away from the wireless router.
Check5
The wireless router is located indoors within the effective range for wireless communication. Locate the
machine within 164 ft. / 50 m from the wireless router.
Make sure that there is no obstruction.
Check6
Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices.
Make sure that there is no source of radio wave interference in your vicinity.
Check7
If a device (e.g. microwave oven) using the same frequency bandwidth as the wireless station is placed
nearby, the device may cause interference. Place the wireless station as far away from the interference source
as possible.
Cannot Communicate with the Machine while It Is in the Access Point Mode
If your smartphone/tablet cannot communicate with the machine in the access point mode, check the
following.
Make sure that the machine is turned on.
Check1
Is Change LAN in LAN settings under Device settings set to LAN inactive
Check2
or Wireless LAN?
Select Access point mode.
Confirm the settings of your smartphone/tablet.
Check3
Make sure that your smartphone/tablet can use the wireless LAN.
For details on how to perform setting of the wireless LAN, refer to the instruction manual provided with your
smartphone/tablet.
Have you selected the machine as the destination of your smartphone/tablet?
Check4
Select the access point name (SSID) of the machine with your smartphone/tablet.
Have you entered the proper password specified for the access point mode?
Check5
If the security setting of the access point mode is enabled, you need to enter the password to connect your
smartphone/tablet to the machine. Confirm the specified password, then enter the proper one.
Make sure that the machine is not placed far away from the wireless router.
Check6
Locate your smartphone/tablet close enough to communicate with the machine.
Make sure that there is no obstruction.
Check7
Wireless communication between different rooms or floors is generally poor. Adjust the location of the devices.
Make sure that there is no source of radio wave interference in your vicinity.
Check8
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