1. Check that the printer is receiving power and that wires are properly connected.

2. Evaluate the firmware error message carefully. Note any error codes and try to research what these codes mean.

3. Consult the printer’s user manual or search online for solutions to the error code(s).

4. Consider restarting the printer as a first step.

5. Try downloading new firmware from the manufacturer’s website.

6. If the issue persists, reach out to your printer’s customer support.