Canon DR-2050SP - Manual (Page 49)

Using the Scanner 43
Chapter 2
IMPORTANT
If you are removing the document manually, make sure to remove the
document carefully, by pulling on it steadily and without applying too much
force. Should the paper tear, make sure to remove any torn pieces remaining in
the scanner.
4.
Gently press the left and right sides of the top of the Front Unit. Be sure that
the upper unit is completely closed by pushing on both edges with both hands
until you hear a click.
Note
After removing the jammed paper, check to see if the last page of your
document was scanned correctly, and then continue scanning.