Canon Color ImageRunner C3380 Reference Manual page 479

1
Press the button on the lower right cover of the main unit, and
open the upper and lower right covers.
If the optional Paper Deck-Z1 is attached to the main unit, move the paper deck
away from the main unit before proceeding with this procedure. For more
information, see "Paper Deck-Z1," on p. 3-13.
2
Remove any jammed paper protruding from the inside slot of
the copy tray.
Clearing Paper Jams
8
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