The submit button doesn't show on the form.

The submit button doesn't show on the form.

http://printingpluslv.com/upload-files-here/

I noticed that you are using script block for embedding form to your website. We recommend using of iFrame code for embedding forms. Please try to replace script block code with iFrame code to see if the submit button will he shown.

You can see how to embed iFrame in this article. 

http://www.jotform.com/help/148-Getting-the-Form-iFrame-Code 

Hope this will help. Let us know if you need further assistance.