Konica Minolta ScanDIVA User Manual page 79

How to place the original on the book table
Do not place the original askew.
Do not place the book with its top edge beyond the stopper.
Be careful to avoid the condition shown in the figure below if pressing the original
from the bottom.
When the original is spread open, be careful not to produce gaps between pages.
Press both pages and then pull them apart.
Hold the edges of both pages at the middle with your hands, and press the book
down, pulling the pages slightly apart.
Original
原稿
Stopper
ストッパー
Spread
すきま
Chapter 4 Operation
4-11