Speed and cost. You can run the book through a typical sheet-fed scanner instead of using a contraption like this: https://linearbookscanner.org/ https://linear

Speed and cost. You can run the book through a typical sheet-fed scanner instead of using a contraption like this: https://linearbookscanner.org/ https://linearbookscanner.org/ As for consumer-grade solutions, look for the Fujitsu SV600.