Here are a few things you can do when your printer displays error codes:

1. Check that you have sufficient paper, toner, and ink levels.
2. Ensure that the cables connecting the printer to the computer are securely plugged in.
3. Power cycle the device by unplugging it, waiting for 30 seconds, and then plugging it back in.
4. Update the printer’s firmware.
5. Reinstall the printer’s drivers.