Turn on your computer. There must be a Wi-Fi button on your printer. Press and hold it for few seconds for Canon Pixma TS3122 wireless setup. Once you see the amber lights flashing, press the WPS button on your router.There must be a CD in the package when you purchased the printer. Load the CD in to your computer.Set the connection method to Access point connection, click next.Follow the instructions carefully until the Installation process is complete.