Before beginning setup for a second or additional computer, check that your network devices such as the router, wireless adapter, or hub are working properly.
If the security alert screen for your OS or the application appears, click Unblock or Allow to create a Firewall exception.
Do not click Keep Blocking, Block, or similar command on commercially available security software screen.
Depending on the commercially available security software used, the above procedure may not establish a connection. In this case, temporarily exit the security software and then use the printer’s software.
If you want to make network settings, remove the memory card from the printer before beginning setup.
For Macintosh users; to make network settings using the installer, QuickTime version 7.x (or later) must be installed on your computer.