Splits A3s into A4s, or uses Magic Mode to format for glued binding.
Standard left-to-right reading.
If Page 1 is a spread, the right half acts as the Front Cover.
Un-shuffles print booklets.
Reorders center-pinned scans back to sequential A4 pages.
Sheet 1: Covers. Sheets 2 & 3: Inner blanks. Sheets 4+: Custom alternating saddle-stitch layout.