The printer and computer may not be able to exchange data.
If
is not lit, the printer may not be receiving power.
Plug the printer into a different outlet.
If the printer is plugged into a surge protector, unplug the printer, and plug it directly into an electrical outlet.
If the printer is connected to an external device, the problem may be with the device. Check the setup information that came with the device to make sure it is properly installed.
If printing using a USB cable, make sure the cable is securely attached to both the printer and the computer.
Before you print, you may need to restart the computer.