Fuji Xerox 1015S Series Instruction Manual page 413

Take care not to jam paper in the
cartridge when paper remains in the
finisher.
(6)Hold the staple case as
shown in the diagram.
(7)Push the removed
cartridge back to the
original position.
(8)Push it downward until
it clicks.
When the booklet staple cartridge UR2 (front) or UR3 (back) is
used:
To refill the booklet staples, replace the entire cartridge.
(1)Pressing the lever to
the right, pull out the
cartridge unit.
(2)Holding the tabs of the
booklet staple
cartridge, slide the
cartridge to the left to
remove.
10.5 Replacing Staple Cartridge
UR3
UR2
387