This prototype is being developed by a team in Germany for use by Mekele University in Ethiopia. It's made of wood and uses the Coandă effect with blowing air rather than a vacuum to separate pages.
A video about the project and the prototype
An interview with Karsten Fuhst at Maker Faire Hannover 2014
A video about infrared page detection for the scanner
No design files for this prototype have been published.