Canon iP4700 SERIES On-Screen Manual page 387

If the paper tears in the Rear Tray, see
If there are any foreign objects in the Rear Tray, be sure to turn off the printer, unplug it from the
power supply, then remove the foreign object.
Check 7: Make sure that the Inner Cover is closed completely.
Paper does not feed properly if the Inner Cover is even slightly open.
Overview of the Printer
Check 8: Clean the Paper Feed Roller.
Routine Maintenance
Note
Cleaning the Paper Feed Roller will wear the roller, so perform this procedure only when
necessary.
Check 9: If two or more sheets of paper feed from the Cassette at once,
clean the inside of the Cassette.
For information on cleaning the inside of the Cassette, refer to
Check 10: Is the Rear Cover closed completely?
Paper may be jammed if the Rear Cover is not closed completely. Push the Rear Cover until it is
closed completely.
Refer to Overview of the Printer
to remove it.
Paper Jams
for the position of the Rear Cover.
Routine Maintenance .
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