After performing OCR on a scanned document, the contents are still image based. This might be caused by lacking of the required OCR components. Do the following to install the full package with all OCR plugins.
1. Remove existing program. Go to Windows Control Panel>Programs and Features, find Foxit PhantomPDF and remove it.
2. Click HERE to download and install the full setup package.
3. After done, use your original registration code to activate it.
4. Do the OCR conversion again.