Fine Print School | Glossary: L

Lap Register: A register achieved by overlaying a narrow strip of the second color over the first color, at the points of joining.

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Large Crown Octavo: a hardback format with identical measurements to those of B format paperbacks, 198×129 mm sewn (126 mm unsewn).

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Large Paper Edition: An edition of a book with pages in a larger format than those of the regular edition.

Typically these are Limited or De-Luxe Editions of a work.

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Large Print Edition: Designed for people with poor eyesight, the words are printed in a larger size than in the regular edition.

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Large-Format Camera: Camera that makes negatives 4×5 or larger.

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Laser: Light Amplification by Stimulated Emission of Radiation. An intense beam of light that is capable of transmitting images by means of digital data.

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Laser Bond: Bond paper made especially smooth and dry to run well through laser printers.

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Laser Compatible: Papers engineered with special properties that assure smooth and consistent performance on laser equipment. All Fox River script and writing papers are laser guaranteed as part of the TechReadyTM definition.

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Laser Die-Cutting: Technically not a die-cut, laser die-cutting is an extension of the photographic process. A metal template made from black-and-white artwork performs the role of a film negative. Wherever there is a hole in the template, a laser beam passes through and vaporizes the exposed area of the paper. Extremely precise, lasers enable the creation of amazingly intricate patterns with ease.

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Laser Diode: Injection Laser, Diode Laser

A point light source or light emission aperture driven by laser beams.

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Laser Engraving: A paper cutting technique whereby laser technology is utilized to cut away certain unmasked areas of the paper. The cutting is a result of the exposure of the paper to the laser ray, which actually evaporates the paper.

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Laser Forms: Single sheet forms that have been manufacture to meet the specifications required to be printed in a laser printer. Form must be printed on laser compatible paper and printed with heat resistant inks.

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Laser Imagesetter: Output device in which a light beam emitted by a laser light source is directed onto a photo-sensitive material via optics and/or mirrors. Single dots (spots) are produced by means of upstream on/off switches that are synchronized with the deflecting unit, the correlation of the spots is driven by a software program or a page description language as well as the laser imagesetter’s driver.

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Laser Labels: Labels specifically engineered to run smoothly through laser printers.

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Laser or Foil Stamp:: Applying metallic or colored foil imprints to vinyl, leather or paper surfaces.

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Laser Paper: Paper that has been manufactured to provide optimal performance when running through a laser printer or copier. It has low moisture content to prevent the paper from curling when exposed to the high heat from the laser printers.

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Laser Printer: A printer that uses a laser beam to create an image on a drum by the use of electrostatic printing technology. The image is created from digital files.

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Laser Printing: A printing process where the printed image is created by the use of digital files which are sent to a laser printer.

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Laser Reader: A device in an electronic inserter which reads OMR characters and bar codes by using a laser beam.

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Laser Scanner: An optical reading device that uses a laser light beam to record images.

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Laser Sheet Labels: Laser sheet labels are loose single sheets that have been manufactured to meet the necessary requirements to run through an ink jet or laser printer. The laser sheets may contain one label or be multiple labels up.

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Laser-imprintable Ink: Ink that will not fade or blister as the paper on which it is printed is used in a laser printer.

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Last Colour Down: The last color printed.

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Latent Image: The invisible image left by the action of light on photographic film or paper.

The light changes the photosensitive salts to varying degrees depending on the amount of light striking them. When processed, this latent image will become a visible image either in reversed tones (as in a negative) or in positive tones (as in a color slide).

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Lateral Reversal: A positive or negative image transposed from left to right as in a mirror reflection of the original.

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Latex: An emulsion of rubber or resin particles dispersed in an aqueous medium. A natural or synthetic elastomeric dispersion in an aqueous system.

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Latex Paper: Paper manufactured by two major processes; one of which is where latex is incorporated with the fibers in the beater prior to formation of the sheet, and the second of which is where a preformed web of absorbent fiber is saturated with properly compounded latex. The papers are characterized by strength, folding endurance, resistance to penetration by water, flexibility, durability and resistance to abrasion

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Latin: Languages based on the Latin alphabet. Examples are English, French, German, Spanish and Italian.

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Latitude: The range of exposure within which a film or plate will produce a negative or positive image of satisfactory quality.

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Lay: The position of the print on a sheet of paper. Lays (front and side)

The guides or gauges (at front and side) to which paper is fed before being printed or otherwise processed on a machine (for example, folding).

Lay edges – the edges of a sheet, which are laid against the front and side lays. Also known as guide or gripper edge.

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Fine Print Knowledge Center

Glossary: L