In the Process tab of the Options dialog box, select Automatically proofread results after OCR to check for possible errors when OCR is complete.
In the OCR tab of the Options dialog box, move the OCR Method slider to the Most Accurate end of the scale if you want to increase OCR accuracy, but are not concerned about processing speed.
Draw zones manually to omit any smudges or scribbles on the page. You can enclose areas of the page that you do not want recognized with Ignore zones.
Ask senders to select Fine or Best mode when they send faxes that you plan to recognize.