Canon MG5700 Series, Online Manual

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Machine Suddenly Cannot Be Used
Cannot Communicate with Machine Following Network Settings Change (Windows)
Cannot Communicate with Machine via Wireless LAN
Cannot Communicate with Machine Using Direct Connection
Cannot Print or Scan from Network Computer
Cannot Communicate with Machine Following Network Settings
Change (Windows)
It may take a while for the computer to obtain an IP address, or you may need to restart your computer.
Make sure the computer has obtained a valid IP address, and try again to find the machine.
Cannot Communicate with Machine via Wireless LAN
Check1
Make sure machine is turned on.
Check2
Make sure machine and wireless router network settings match.
To check the settings of the wireless router, refer to the instruction manual provided with it or contact its
manufacturer.
To check the current network settings of the machine, print out the network setting information.
Printing Network Settings
If the machine network settings do not match with those of the wireless router, change the network settings of
the machine to match with those of the wireless router using IJ Network Tool.
Check3
Make sure machine is not placed too far away from the wireless router.
The machine can be up to 50 m (164 ft) from the wireless router indoors. Make sure the machine is close
enough to the wireless router to be used.
Check4
Check for obstructions.
Wireless communication between different rooms or floors is generally poor. Move the machine and wireless
router as necessary.
Check5
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 wireless router as far away from interference sources as
possible.
Check6
Make sure computer network settings are correct.
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