A5 PDF booklet impositor

Turn A5 PDF into A4 ready-to-print booklet PDF.

Note that this process is specifically made for single-sided printers.

Input: A5, single-paged, in reading order

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How to print
  1. Print pages 1 to S single-sided (S = number of A4 sheets).
  2. Take the printed stack from the output tray by lifting it straight up, keeping its orientation the same.
  3. Don't rotate, just reinsert the stack so the blank side is front-facing.
  4. Print pages S+1 to 2S.
  5. Fold the stack in half along the short edge and staple/sew along the fold.