1. Inspect the Printer

Check for foreign objects, like pieces of paper or other items that may be clogging the ink path.
2. Change the Print Settings

Edit the printer settings, including the font type, size, colour, and accents, to ensure that your settings are appropriate.
3. Clean the Printerhead

Use a soft, lint-free cloth and some rubbing alcohol to gently clean the printerhead.
4. Reinstall the Printer Software

Reinstall the printer software on your computer to ensure that the printer is receiving the correct code.
5. Troubleshoot

If the above steps fail, try to troubleshoot the issue and contact a professional if needed.