Glossary
1/0 | “One over zero” refers to printing with one colour on one side of a |
| sheet, leaving the other side blank. |
| 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. |
| 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 |
| with |
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. |
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 |
| Also called a raster image. |
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