Kodak HERO 2.2 - Manual (Page 8)

Basic Functions
8
Using the Automatic Document Feeder (ADF)
You can load up to 25 originals (16 to 24 lb / 60 to 90 gsm plain paper) from B5,
Executive, LTR, and A4 sizes in the ADF.
IMPORTANT:
Do not load photographs, cards, or paper stock heavier than
24 lb / 90 gsm in the ADF.
1 If needed, remove originals from the scanner glass.
2 Move the ADF paper-edge guides outward.
3 Fan and stack the originals, then insert them face up in the ADF.
4 Move the ADF paper-edge guides until they touch the paper.
ADF paper-edge guides