Hi there and welcome
Is it connecting to your computer via a USB cable or via Wireless?
And are you on a windows or mac computer and which version?
I AM ON A DELL - WINDOWS 7
Can you remove the power to the printer and the wireless router ans wait 5 minutes.
Then connect the power to the wireless router, wait 5 minutes, power on the printer, then restart the computer and tell me if it now functions please.