Avision AV320 (FT-0604H) - Manual (Page 11)

2.1 Installing the Input Paper Tray
1. Pull the ADF Release button to open the front cover.
ADF Release
Button
Front Cover
2. Insert the pin with a inclined plane on the right side of
the Input Paper Tray to the hole on the rear of the
scanner as illustrated.
Right Side
Input Paper
Tray
2-2