Feeds out a copied sheet by folding it in three. Also select the unit by which the paper is folded from [By Copy Job (Multiple Sheets)], [1 Unit], and [By Page]. When you set [By Page], specify the number of pages to be folded at one time.
To use the Tri-Fold function, the optional Finisher FS-537 SD or the optional Finisher FS-536 SD is required.