Here are some steps you can take to try and fix your printer:

1. Check if the printer is plugged in and that any power switch is switched on.
2. Look for error messages or flashing lights on the printer control panel.
3. Verify that the printer is online.
4. Restart the printer using the power switch.
5. Check the ink and toner levels and replace if necessary.
6. Find and reinstall the printer driver.
7. Check if the printer cable is connected properly.
8. Try using a different cable.
9. Try unplugging and replugging the power cable.
10. Check if the printer is supported by your computer.