Canon DR-3080C - Manual (Page 35)

Using the Scanner 31
Setting Up the Paper Feed Tray and the Document
Eject Tray
1.
Grasp the edge of the paper feed tray and lift it up.
2. Gently open the paper feed tray towards you.
CAUTION
Do not place anything other than documents, and especially not
heavy objects, on the paper feed tray. The object could fall
suddenly and injure someone, or the scanner itself could be
damaged, which could result in lower image quality.