Imposition and N-Up
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Definition
Section titled “Definition”Imposition is the arrangement of a document’s pages on a printed sheet before the sheet is folded or cut. N-up is the simplest form — two or four pages scaled onto one sheet of paper to save paper. Booklet imposition goes further: pages are reordered and placed so that folding the printed stack and stapling the spine produces a readable booklet. Poster imposition tiles one oversized page across several sheets to be assembled physically.
Example
Section titled “Example”A 200-page training manual that has to be printed for a workshop. Printed one page per sheet, it consumes 200 sheets printed on one side. Imposed 2-up and duplex, it consumes 50 sheets, and with saddle-stitch ordering the printed stack folds into a booklet whose pages run in the right order.
In the PDFLean tools
Section titled “In the PDFLean tools”- print multiple PDF pages per sheet — 2 or 4 pages per sheet, with basic booklet reordering
- impose a PDF for print — N-up, booklet, poster tiling, and page splitting in one tool
- make a booklet from a PDF — the dedicated saddle-stitch booklet path
Related reading
Section titled “Related reading”- Preflight — what to check on a file before it is imposed and printed
- Bookmarks (Outline) — how navigational structure maps onto imposed pages
- How to Merge PDF Files — the merge side of preparing a print packet