Canon PIXMA TS302 Wireless Inkjet Printer - Manual (Page 211)

In addition, 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.
Note
• IJ Network Device Setup Utility allows you to diagnose and repair the network status.
Select the link below to download IJ Network Device Setup Utility and install it.
Checking Printer Connection Status Using IJ Network Device Setup Utility
See below for starting up IJ Network Device Setup Utility.
• For Windows:
Starting Up IJ Network Device Setup Utility
• For macOS:
Starting Up IJ Network Device Setup Utility
Cannot Communicate with Printer while It Is in Wireless Direct
If your smartphone/tablet cannot communicate with the printer in the Wireless Direct, check the following.
Check1 Check the power status of printer and other devices (smartphone or tablet).
Turn on the printer or devices.
If the power is already turned on, turn it off and on again.
Check2 Is Wireless Direct enabled?
Make sure the Direct lamp is lit.
If not, press the Direct button once to enable Wireless Direct.
Check3 Check the settings of your device (smartphone/tablet).
Make sure wireless LAN is enabled on your device.
For details, refer to your device's instruction manual.
Check4 Make sure printer is selected as connection for device (e.g. smartphone or
tablet).
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