Still Images : PDF
For still images using instructional media services scanners we recommend first scanning with the button marked 'Scan' then importing the image into Adobe Acrobat for creating the PDF.
a .PDF optimized and compressed for smaller size to fit in an e-mail attachment (typically under 10mb).
Adobe Acrobat Professional:
Tutorial: Create and optimize a PDF using Adobe Acrobat Professional
To turn a scanned document back into editable text you can convert the image using OCR in Adobe Acrobat Professional.
Tutorial: Convert scan using OCR