Xerox 2000 manual glossary, Overprint

glossary

	provides for automatic replacement of low-resolution placeholder images
	with high-resolution images.
Overprint	When printing a shape or type in colour, the shape prints over whatever
	colours have already been printed. This can result in a shift of colour
	due to overlapping ink or toner.
Page	One side of a sheet of paper. Both together are called a sheet or leaf.
Page description
language	A programming language used to describe how type and graphics should
	be produced on a printer.
Pages per minute	The term most commonly used with digital printing for measuring print
	speed.
Pantone	The common name for most widely used colour specification system for
	special colours. It is a registered name of an ink colour.
PDF	Short for Portable Document Format.
PDL	Short for page description language.
Perfect	To print both sides of a piece of paper in one pass through a printing
	press.
Perfect binding	Signatures bound together with an adhesive applied to the document’s
	spine.
Personalisation	A form of variable information printing. A document that is tailored to a
	specific individual. Variables could include text, images or other
	information. See customisation, versioning.
PICT	A graphic file format used on Macintosh computers.
Pixel	Short for “picture element". The basic units of digital imaging, it is the
	smallest point of a raster image.
PMS	Short for Pantone Matching System. A commercial system of spot colours
	as distinct from CMYK or process colours.
Portable Document
Format	A file format modelled on PostScript that allows easy transfer between
	computers and to printers.
Postpress	All operations in the print production process that take place after a job
	is printed that are required to deliver a finished product to the
	customer. This can include trimming, folding, binding, packing and
	delivery.
PostScript	A page description language that is the industry standard for high
	quality printing.
ppi	Short for pixels per inch. A measurement used when scanning images
	and when images are displayed on a monitor.
ppm	Short for pages per minute.

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