Canon MAXIFY GX5020 Wireless MegaTank Inkjet Color Printer - Manual (Page 232)

Printer Cannot Be Used After Replacing Wireless Router or
Changed Router Settings
When you replace a wireless router, redo the network setup for the printer according to the replaced one.
Refer to Setup Guide to setup.
Note
• Wi-Fi Connection Assistant allows you to diagnose and repair the network status. •
Select the link below to download Wi-Fi Connection Assistant and install it.
Checking Printer Connection Status Using Wi-Fi Connection Assistant
See below for starting up Wi-Fi Connection Assistant.
For Windows:
Starting Up Wi-Fi Connection Assistant
For macOS:
Starting Up Wi-Fi Connection Assistant
If this does not solve the problem, see below.
Cannot Communicate with Printer After Enabling MAC/IP Address Filtering or Encryption Key on
Wireless Router
With Encryption On, Cannot Communicate with Printer After Changing Encryption Type at Wireless
Router
Cannot Communicate with Printer After Enabling MAC/IP Address
Filtering or Encryption Key on Wireless Router
Check1 Check wireless router setting.
To check the wireless router setting, see the instruction manual provided with the wireless router or contact its
manufacturer. Make sure the computer and the wireless router can communicate with each other under this
setting.
Check2 If filtering MAC addresses or IP addresses at wireless router, check that MAC
addresses or IP addresses for computer, network device, and printer are registered.
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