Follow below step process may help for canon lbp6230dw connect to wifi
Make sure that the printer is turned on.
Press & hold the Wi-Fi button on the top of the printer until the alarm lamp flashes once.
Make sure that the lamp next to this button starts to flash blue and then go to your access point and press the WPS button within 2 minutes.
If you are still unable to fix canon lbp6230dw wifi setup then do visit website ad get detailed information about same.