Portion of the printing plate that carries the ink and prints on paper.
IMPOSITION
The correct sequential arrangement of pages that are to be printed, along with all the margins in proper alignment, before producing the plates for printing.
IMPRESSION
The pressure of the image carrier, whether it be the type, plate or blanket, when it contacts the paper.
INDEX BRISTOL
A relatively thick paper stock; basis size---25 1^2 x 30 1^2.
INDICIA MARKINGS
Pre-printed on mailing envelopes to replace the stamp.
INDUSTRIAL PAPERS
A term used to denote papers such as janitorial, sanitary or heavy packing papers.
INK FOUNTAIN
The device that stores and meters ink to the inking rollers.
INK HOLDOUT
A quality of paper to be resistant to ink absorption, allowing the ink to dry on the paper surface.
INK MIST
Any threads or filaments that protrude from the main printed letter body of long inks, as seen in newsprint.
INK SETTING
The inertial resistance to flow that occurs to ink as soon as it is printed.
INSERT
A piece of printed material that is prepared for the purpose of being inserted into another piece of printed material, such as a magazine.
INTEGRAL PROOF
A proof made by exposing each of the four-color separations to an emulsion layer of primary colors. These emulsion sheets are stacked in register with a white sheet of paper in the background.
IRIDESCENT PAPER
A coated stock finished in mother-of-pearl.
ITALIC
Text that is used to denote emphasis by slanting the type body forward.
