What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I could replicate the same situation while using Chrome:
I then tested again and could see the previewed form:
I made some tests with IExplorer and Firefox and print dialogue opened with no problem:
I believe it might have been a temporary glitch. Are you still experiencing this difficulty?
Let us know if the problem persists.