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I

IBC
Inside Back Cover.

IFC
Inside Front Cover.

Imagesetter
An imagesetter is basically an extremely high quality digital printer. Imagesetters are used to create the film in computer-based pre-press operations. In process color work, the imagesetter creates the separated output film by "printing" the image four times (once each in Cyan, Magenta, Yellow and Black).

Imposition
The layout of pages on a sheet to achieve the correct order of pages after folding.

Impression
Product resulting from one cycle of printing machine.

Impression Cylinder
The cylinder of a printing machine which brings the paper into contact with the printing plate or blanket cylinder.

Imprint
The name and place of the publisher and country where printed required by law for a publication. Sometimes accompanied by codes indicating the quantity printed, month/year of printing and an internal control number.

Ink Cover
The percentage of the page that is to be covered with ink (this includes text and pictures/graphics). A visual estimate is adequate.

Ink-Jet Printer
A monochrome or color page printer which produces images by firing heated droplets of ink at plain or specially coated paper. Modern color ink-jet printers are very inexpensive, and surpass the definition and color accuracy of color laser printers. Image quality can be near-photographic. The major drawback of older consumer ink-jet printers is the poor durability of the inks, which tend to fade in sunlight, can bleed over time due to humidity, and are ruined by exposure to water.

Inserts
Extra printed pages inserted loosely into printed pieces.

Interleaves
Extra blank pages inserted loosely into book after printing.

Intaglio Printing
Methods of printing involving the image being etched below the surface of the plates or cylinders.

ISO
International Standards Organization.

ISO Paper Size
The International Standards Organization (ISO) system of paper sizes is based on a series of three sizes - A, B and C. Series A is used for general printing and stationery (A4 is the international standard letter size, and is longer and narrower than US Letter; A3 is twice A4 and comparable to US Tabloid size, etc.), Series B is for posters and Series C is for envelopes.

Italic
Type with forward sloping letters. See oblique.

Ivory Board
A smooth high white board used for business cards, etc.