2
Pull out the saddle stitcher unit (F-C4).
1
3
Pull out the staple case, holding it by its tab.
4
Open the staple case cover.
Hold the staple case cover by its left and right sides, and then lift it and slide it off.
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Staple Finisher-F1 PRO/Booklet Finisher-F1 PRO/Puncher Unit-BB1/Booklet Trimmer-D1 (Optional)