Canon CR-55 - Manual (Page 43)

Using the Scanner 39
2
Carefully align the edges of the documents.
3
Load the documents with their front sides facing right and with their edges
flush against the document load mark.
4
Extend the eject stopper beyond the length of the loaded documents.
IMPORTANT
If the eject stopper is not pulled out far enough, a feeding error may occur.
Document Load
Mark