Xerox 2000 manual Glossary

Glossary

1/0	“One over zero” refers to printing with one colour on one side of a
	sheet, leaving the other side blank.
2-up/4-up/8-up	The number of images printed on one side of a sheet.
4/0	“Four over zero” refers to printing with four colours on one side of a
	sheet of paper, leaving the other side blank.
4/4	“Four over four” refers to four colour printing on both sides of a sheet.
6/2	“Six over two” refers to printing with six colours (four process colours +
	2 spot colours) on one side and two colours on the other side. This is
	common with specification sheets where full colour is required on the
	front but only black and one accent colour is needed on the back.
A0	Standard ISO cut sheet size of 841 x 1189 mm.
A1	Standard ISO cut sheet size of 594 x 841 mm.
A2	Standard ISO cut sheet size of 420 x 594 mm.
A3	Standard ISO cut sheet size of 297 x 420 mm.
A4	Standard ISO cut sheet size of 210 x 297 mm.
AM screening	Conventional “lined” halftone screening that breaks up the image into
	regularly spaced dots of varying size to simulate the original image.
Anti-aliasing	A process that removes jagged edges from curves and lines (including
	characters), producing smooth lines and edges.
APR	Creo Automatic Picture Replacement. An extension to PostScript that
	provides for automatic replacement of low-resolution placeholder images
	with high-resolution images. Similar to OPI.
Aqueous coating	A water based coating applied after offset printing, which gives a gloss,
	dull or matte finish and will accept ink jet printing to add variable data.
Artifact	A repeatable defect in a printed image caused by some discrete element
	in the printing system.
Backing-up	Printing the reverse side of a sheet that is already printed on one side.
Banding	Undesirable horizontal or vertical bands on a printed image.
Binder’s creep	A term used to describe how the gutter margin varies from page to page
	when large signatures are folded and trimmed (the printed area moves
	slightly with respect to other pages). Adjustments are made at the DFE
	to correct for creep.
Bitmap	An image file consisting of a two-dimensional array (or grid) of pixels.
	Also called a raster image.

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