Epson 836XL - Manual (Page 96)

Troubleshooting Page 96
Use a screwdriver to turn the adjust pin to the number you
calculated (0.1 in the previous example).
To confirm the angle, repeat the steps under Scanning the
Document Guide . Once you’ve confirmed the angle, it’s a
good idea to write it down for future reference.
+ 0 .
1
0
- 0 .
1
- 0 .
2
+ 0 . 2