1. Check you have the printer and scanner correctly plugged into your computer or laptop and all cables are securely connected.
2. Check your printer and scanner are turned on and have paper loaded.
3. Install the printer and scanner drivers to ensure they work with your computer.
4. Go into the printer and scanner settings on your computer and make sure your printer and scanner are both set as the default device.
5. Check any errors printed onto your printer or scanner, along with any error reports your computer may have logged.
6. Update the printer and scanner drivers and make sure your operating system has all the latest updates installed.
7. Check the cable connections of the printer and scanner to ensure they are securely connected.