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Paper test. Paper and ink testing Tests for paper and ink interaction. A variety of tests are used to determine ink and paper and paperboard quality, and to measure their interactions. They are necessary to balance print quality, cost, and wear on the press. Some of the important paper and ink tests are listed here:
Intentionally blank page. Intentionally blank pages at the end of a book. An intentionally blank page is a page that has no content and may be unexpected. Such pages may serve purposes ranging from place-holding to space-filling and content separation. Sometimes, these pages carry a notice such as " This page was intentionally left blank.
Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) A Machine Identification Code (MIC), also known as printer steganography, yellow dots, tracking dots or secret dots, is a digital watermark which certain color laser printers and copiers leave on every printed page, allowing identification of the device which was used to print a document and ...
The spore print is the powdery deposit obtained by allowing spores of a fungal fruit body to fall onto a surface underneath. It is an important diagnostic character in most handbooks for identifying mushrooms. It shows the colour of the mushroom spores if viewed en masse. [1]
In printing, registration black is a black color that includes 100% of each of the process colors used. Typically these are cyan, magenta, yellow and black , but if different colors are used, registration black marks are made with all of the colorants (inks). Registration black is used for printing crop marks and registration marks. When proofs ...
The CMYK color model (also known as process color, or four color) is a subtractive color model, based on the CMY color model, used in color printing, and is also used to describe the printing process itself. The abbreviation CMYK refers to the four ink plates used: c yan, m agenta, y ellow, and k ey (black).
Manufacturers of printers or devices that use colour ink jet technology are meant to abide by this standard when testing for, and labeling the estimated yields of their products. The testing focused on sampling yields generated from typical business consumer printing applications. The judgment of total yield was defined by fade, marked by a ...
Brown paper bag test. An individual darker than a brown paper bag was denied privileges. "The brown paper bag test " is a term in African-American oral history used to describe a colorist discriminatory practice within the African-American community in the 20th century, in which an individual's skin tone is compared to the color of a brown ...