Canon MX720 Series Online Manual page 146

If the document cannot be pulled out with ease, raise the document cover and pull out the jammed
page from the inner side of the document cover.
After pulling out the jammed page, close the document cover.
Note
When checking whether a piece of paper remains inside the ADF, see
5. Close the document feeder cover, then turn on the machine.
When rescanning the document after clearing the error, rescan it from the first page.
If you cannot remove the document or the document tears inside the machine, or if the document jam
error continues after removing the document, contact the service center.
Note
The document may not feed properly depending on the media type, or your environment, such as
when the temperature and humidity are either too high or too low.
In this case, reduce the number of document pages to approximately half of the loading capacity.
If the document still jams, use the platen glass instead.
• In Other Cases:
If you cannot find the jammed page or you want to remove the piece of paper after checking whether it
remains inside the ADF, follow the procedure below.
1. If printing is in progress, press the Stop button.
2. Turn off the machine.
3. If a multi-page document is loaded, remove any pages other than the jammed page from the ADF,
then open the document feeder cover.
In Other Cases:.