Cannot Find Printer on Check Printer Settings Screen During Wi-FiSetup (Windows)-Checking Security Software SettingsDisable block in firewall function temporarily.The firewall of your security software or operation system for computer may limit communication betweenthe printer and your computer. Check the firewall setting of your security software or operation system orthe message shown on your computer and disable block temporarily.If firewall interferes with setup:• If message appears:If a message appears warning that Canon software is attempting to access the network, set thesecurity software to allow access.After allowing the software to access, click Redetect on the Check Printer Settings screen toredetect the printer.If the printer is found, follow the instructions on the screen to continue to set up networkcommunication.• If no message appears:Cancel the setup, and then set the security software to allow Canon software to access the network.The file SETUP.exe or SETUP64.exe in the win > Driver > DrvSetup folder on the Setup CD-ROMAfter setting the security software, redo the network communication setup from the beginning.After setup is completed, enable firewall.Note• For more on firewall settings of your operating system or security software, see instruction manual orcontact its manufacturer.If above does not solve the problem:Cannot Find Printer on Check Printer Settings Screen During Wi-Fi Setup (Windows)-CheckingWireless Router Settings251