How does PretonSaver's printout compare to a non-optimized print?

You will find it hard to tell the difference!

PretonSaver instructs the printer which pixels not to print. It eliminates pixels that are not needed to achieve high-quality printing.
Independent organizations tested PretonSaver and concluded that PretonSaver maintains the right ink/toner density on the printed page even though it uses less ink/toner.
PretonSaver is endorsed by big and small companies around the world. It counts hundreds of thousands of satisfied users.
Preton Saver is industry recognized for its groundbreaking technology and value to customers.