Summary
You may be unable to change the OCR Engine used by Document Processor 8.0. Document Processor 8.0 will always use the OmniPage OCR engine.
More Information
Document Processor 8 (DocumentProcessor80.dll) may not correctly read the value of the "OCR Engine" string value under the "HKEY_CURRENT_USER\Software\Laserfiche\DocumentProcessor" registry key. Regardless of the specified value, Document Processor will always default to using the OmniPage OCR engine.