Canon PIXMA G4210, Online Manual, Page: 419 / 515

Check7
Make sure the computer is connected to the wireless router.
For more on how to check the computer settings or connection status, see your computer instruction manual or
contact its manufacturer.
Note
• If you use a smartphone or tablet, make sure the Wi-Fi is enabled on the device.
Check8
Make sure Enable bidirectional support is selected in the Ports sheet of the
properties dialog box of the printer driver. (Windows)
If not, select it to enable bidirectional support.
Check9
Make sure security software's firewall is off.
If your security software's firewall is on, a message may appear warning you that Canon software is attempting
to access the network. If this warning message appears, set security software to always allow access.
If you are using any programs that switch between network environments, check their settings. Some programs
use a firewall by default.
Check10
If printer is connected to an AirPort Base Station via LAN, make sure you use
alphanumeric characters for network identifier (SSID). (macOS)
If the problem is not resolved, redo setup.
• For Windows:
Perform setup using the Setup CD-ROM or from the web page.
• For macOS:
Perform setup from the web page.
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