Epson GT-12000 User Manual page 37

2. Lay your document on the guide with the side to be scanned
facing up. After aligning the document to the proper
position, use the tape to secure the document in place.
Repeat this step for every document you want to scan,
placing one document next to another.
3. 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
adjust pin
Scanner Basics
2-11