How do I make text fields print?

You need to add a print button on your form.

Please check this guide: https://www.jotform.com/help/24-Print-Button-on-Forms

Then, you may apply this workaround: https://www.jotform.com/help/335-How-to-print-a-form-exactly-as-it-is-when-viewed-but-with-the-user-entered-data

Let us know if you have any further query.