iCopy - Free Photocopier will turn your scanner and printer into a powerful, free photocopier with a click.

iCopy Free Photocopier is a free and open source application that lets you combine your scanner and printer into a powerful, easy to use photocopier by only pressing a button. You can use Automatic Document Feeders (ADF) too.

You can run iCopy by just pressing your scanner's button. It comes with a simple user interface that lets you manage the scanner and printer options, like brightness, contrast, the total number of copies in a couple of seconds. You can save images to file or export to PDF without the need of other software.

As it’s small and no installation is required, iCopy is also suitable for USB pen drives.

Compatible scanner list available at the Author's link.