Canon L90 - Manual (Page 166)

8-3
Troubleshooting
Document Jams
When <CHECK DOCUMENT> appears on the
LCD display, remove a jammed document
from the ADF.
1
Lift the document release lever.
If a multi-page document is loaded, remove
the entire document from the ADF.
2
Lift the paper stack cover and pull
it out completely.
Make sure the back end of the cover does not
catch the front paper guide.
3
Lower the scanning platform (A) in
the document delivery slot.
4
Carefully pull out the jammed
document.
5
Lift the scanning platform back
into place.