| Printing Glossary I-L|

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|I|

Imagesetter

Imagesetter is a high-resolution laser output device that takes digital design files and produces film negatives that older processes require to make the printing plates. Sometimes this is referred to as Lino, after one of the first brands of imagesetters.

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|K|

K is short for black in four-color process printing.

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Line Screen

Line screen measures the number of dot lines per inch, which provides an indication of image sharpness. The finer the"screen"used to create printing plates, the more detail can be portrayed in the final printed piece. PsPrint printing presses are run at line screens up to 175 lines per inch.

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Lines Per Inch (LPI)

Lines per inch or LPI refers to the number of dot lines created per inch, which provides an indication of image sharpness. The finer the"screen"used to create printing plates, the more detail can be portrayed in the final printed piece. Most color printing is performed between 133 and 175 lines per inch.

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Lithography

Lithography is a method of printing using plates whose image areas attract ink and whose non-image areas repel ink. The images are first printed onto a rubber blanket and then offset to paper.

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LPI

Abbreviation for lines per inch.

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