Glossary

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Pagination

The term given to numbering the pages of a book.

Pantone matching system

A registered trade name, system of colour matching used in computer software, paper and inks.

Perfecting

Printing the second side of a sheet simultaneously (backing up).

Perforate

Broken slotted cuts or rules to enable the paper to be torn in the correct place.

Plate

A sheet of metal holding the image from which an impression is produced.

Plate Cylinder

The cylinder that holds the inked printing plate in position.

Platesetter

A machine where the printing plate is produced directly from data without the need for film.

Postscript

A registered trade mark of Adobe Inc., It is a page description language which describes the content and layout of a page.

Press Run

In the printing of a job, the total number of copies produced in one printing.

Process Colours

The printing inks Cyan, Magenta, Yellow and Black

Pulp

The basic material used in papermaking, broken down mechanically or chemically.