Fine Print Knowledge Center
The online guide to print and design.
- Double Stub
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A unit set having two perforated and glued stubs. Generally used to create two sets once the initial use and separation of the form is completed.
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- Double Varnish
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- double-black halftone printing
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A means of extending the range of density available with printing ink by printing twice with black ink, using two specially prepared halftone negatives. Also called double-black duotone.
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- double-dot halftone
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Two halftone negatives combined onto one printing plate, having greater tonal range than a conventional halftone negatives. One negative reproduces highlight and shadows, the other middle tones. This is not to be confused with duotone or double-black printing.
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- Double-sided printing
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Printing of the front and back sides of a page with two different printing plates.
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- double-thick cover stock
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A cover stock composed of two sheets of 65 lb. Cover stock laminated together.
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- Doubling
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1.In printing, a press problem that generally occurs when sheets make contact with the blanket twice, once just before the impression point and the second time at the impression point, resulting in a double image. At times, with certain papers, the feeder will feed two sheets instead of one, and when pressures are extreme or out of balance, the blanket may slip at the pressure point, resulting in a slur or double image.
2. In stamping, a double impression in which the second impression or “hit” does not register perfectly over the first one.
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- doughnut hickey
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A printing defect consisting of a solid printed area surrounded by an unprinted area.
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- Download
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1. A process of receiving files, which are being copied from another computer, onto your computer. 2. Loading a complete font description into a printers memory, so that printing characters with that font is possible.
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- Downloadable Font
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A printer font stored on disk that can be loaded into the printer’’s memory, in comparison to a font within a cartridge that must be plugged into the printer.
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- Downstream
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A kind of transmission by which information or data flows from a server to an end user.
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- Downtime
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Duration of an unscheduled stoppage of machines or equipment (printing presses, papermaking machines, typesetting equipment, etc.), usually caused by malfunction.
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- DPBC
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Delivery Point Bar Code
A ZIP+4 bar code which consists of 2 additional digits (10 additional bars). The 2 additional digits represent the first 2 digits of the primary address.
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- DPI
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Dots Per Inch
A measurement of resolution of input devices, output devices and display devices. The measurement is stated with the horizontal measurement first and the vertical measurement second. The resolution of 800×600 indicates 800 dots per inch horizontally and 600 dots per inch vertically.
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- drag
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Register trouble when the dot is enlarged toward the back (nongripper edge) of the sheet. See Slur.
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- Drag and Drop
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Clicking on an item or section and moving it to another location in that same file or to another file.
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- Drawdown
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A term used to describe an ink chemist’s method of roughly determining coating or ink. The application (by a blade or a bar) of a thin film of coating or ink to a piece of paper.
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- Drawing Paper
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Dull finished paper that is of good quality and stable enough to withstand erasing
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- Drawn on cover
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A paper book cover, which is attached to the sewn book by gluing the spine and approximately 8mm on the front and back covers.
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- Drier
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A substance which is added to ink to hasten the drying time.
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- driers
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Wet paper passes through these large cylindrical steam heated rolls that dry paper webs. The dry-end of the paper machine.
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- Drilling
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Piercing of stacks of papers in a precision manner with round hollow drills at high speeds. Loose-leaf notebook paper is an example of drilled paper.
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- Driver
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A program that controls a peripheral device such as a printer, scanner, disk drive and keyboard. Some driver programs, such as the one for the keyboard, come with the operating system. Other drivers must be loaded when the device is connected.
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- Drop Cap
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A large initial letter at the start of the paragraph that drops into the line or lines of text below
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- Drop Folio
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- Drop Out
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1. A printed halftone that does not have screen dots in the background or highlight areas due to overexposure during the camera work. 2. Colors that cannot be detected by optical reading devices.
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- Drop Shadow
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A rule or screen tint that falls behind an illustration, box or type. It is offset from the item and used to give a three-dimensional shadow effect.
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- Dropout Halftone
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A halftone consisting of black and white only, all grays are dropped out of the negative. A dropout halftone is created by shooting the photograph as line art.
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- Drum Scanner
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A piece of equipment on which the original transparency is wrapped around a plastic cylinder, used in the making of color separations.
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- Dry Back
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