Hi there and welcome
Are you connecting to the printer via wireless or a USB cable Richard?
Remove the power to the wireless router, the printer and power off the computer.
Wait 5 minutes.
connect the power to the wifi router and wait 5 minutes,
Power on the printer, then power on the computer and try to install the printer and tell me if it now functions please
ok, but open up a program and try to print to it from there.