Canon IMAGERUNNER 2020 - Manual (Page 268)

Clearing Paper Jams 8-21
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8
2
Remove any jammed originals.
If you cannot remove the original, proceed to step 3.
IMPORTANT
Do not pull the original forcefully, because it may tear.
3
Open the inner cover, holding it by its front tab.
4
Turn the feed dial and remove any jammed originals.
If you cannot remove the original, proceed to step 5.