Canon PIXMA TS302 Wireless Inkjet Printer - Manual (Page 173)

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 Check the settings of security software's firewall.
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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