Hello berniece,
Please try the below steps .
- While the printer is ON, unplug the power cord from back of the printer.
- Restart the PC.
- If the Printer is connected in a Wireless network, then power off the Router for 10 seconds and then power it ON.
- Connect the printer power cord directly to a wall outlet and then to back of the printer. If printer does not power ON automatically, then press the ON button to do so.
- Now try scanning. It sould work.