Canon TS6420a, Online Manual, Page: 323 / 439

Cannot Find Printer During Setup
If you cannot find the printer on network during setup, check the following.
When you complete all the checking, try to set up from the beginning.
Items to check for Wi-Fi:
When connecting the printer to Wi-Fi, check/respond to all the items in [Step 1], and try to set up from the
beginning. If you still cannot set up the printer properly, try the items in [Step 2] and try to set up from the
beginning.
Step 1
Check the basic items for Wi-Fi
Step 2
Solve the problem, using IJ Network Device Setup Utility
Items to check for Wi-Fi
Step 1
Check the basic items for Wi-Fi
1. Check power status
Are printer and network device (router, etc.) turned on?
Stop setting up, and check if the router (modem) is turned on and then check if the printer is turned on.
1. Check if network devices such as router are turned on.
If network devices are not turned on, turn on the power. If the network devices are on, turn them off and on again.
323