Posted By:
Eric BrehmI have an HP OfficeJet G85. It is several years old but produces good scans of graded or ungraded cards. I put a black plastic sheet behind the holders when I scan them and set the output resolution to 150 dpi when I save the scanned image to a JPEG file. I then crop the image tightly around the holder using an image processing program called LView Pro.
Here is an example of a 150 dpi image of a holdered T206 card: