Replacing the Staple Case in the Saddle Stitcher Unit (Booklet Finisher-X)

Follow the procedure described in this section to replace the staple case in the saddle stitcher unit for the optional Booklet Finisher-X.
Open the front cover of the finisher.
Pull out the saddle stitcher unit.
Pull out the two staple cartridges.
Press the blue parts on both sides of the staple cartridge cover, and open it.
Remove the empty staple case.
Hold both sides of the empty staple case.
Lift and pull out the empty staple case.
Take out a new staple case from the box.
Insert the new staple case in the staple cartridge.
Diagonally insert the tab on the front of the staple case into the hole in the staple cartridge, as shown in the illustration.
Push down on the back of the staple case until it clicks into place.
Make sure to insert the front part of the staple case first. Do not attempt to insert the back side of the staple case first, as shown in the illustration below.
Close the staple cartridge cover.
Insert the two staple cartridges into the saddle stitcher unit.
Make sure that the staple cartridges are inserted so that the marks for setting position are aligned as shown in the illustration above.
Push the saddle stitcher unit back into the machine, and close the front cover of the finisher.