[Original Tray Pre-rise Set.]
Overview
Adjust the standby position of the original feed tray of the ADF.
Adjusting to the appropriate position reduces the length of time required to start delivery of the original.
Setting Procedure
1
Select [ON].
2
Use the on-screen keypad or [+]/[,] to enter the numeric value.
Range: 1 to 7
The higher the number, the lower the standby position.
in the upper-right of a page, it turns into 
and is registered as a bookmark.