Epson 836XL - Manual (Page 68)

Using Optional Equipment Page 68
The right dial controls where paper stops when it is first loaded
from the feeder. The left dial controls where double-sided
originals stop during scanning of the second side.
If the upper portion of the scanned image is missing, turn the
dial clockwise. The position changes in 1 mm (0.04 inch)
increments.
If the lower portion of the scanned image is missing, turn the
dial counterclockwise. The position changes in 1 mm
(0.04 inch) increments.
0 1
2
3
4
5
6
7
-7
-6
-5
-4
-3
-2
-1
mm mm
0 1
2
3
4
5
6
7
-7
-6
-5
-4
-3
-2
-1