Epson GT-12000 User Manual page 35

1. Install the pins in the scanner's screw holes through the
document guide's holes. The guide pin screws into the left
hole and the adjust pin screws into the right hole.
guide pin
2. Lay the grid document guide on the document table with the
document guide holes over the screw holes in the scanner.
Make sure the larger document guide hole is on the right
(when facing the inside of the cover).
adjust pin
Scanner Basics
2-9