Fuji Xerox ApeosPort Print C5570 Reference Manual page 214

5.
Remove the jammed staples (1), and then return the metal part pushed down in Step 4 to the original position
(2).
(1)
6.
Return the booklet staple cartridge to its original position.
7.
Slightly push upwards, and make sure that it clicks into place.
Note
 Return so that
8.
Return the booklet unit to its original position.
9.
Close the finisher front cover.
214
9 Troubleshooting
(2)
of the booklet staple cartridge and of the Booklet Maker Unit are lined up.