Konica Minolta 7222 User Manual page 68

3.
When repeating the original placement, press the release lever under
the document feeder.
4.
Use only the lower cover to ease the original placement.
5.
When completed, close the upper unit of the document feeder.
3-6
Be sure to join the upper unit and lower cover of the document feeder securely.
Do not place heavy originals and do not press strongly when a thick
original is placed on the platen glass and is under pressure of the
RADF; otherwise, the glass may be broken and you may be injured.
Positioning Originals (continued)