A Summary of Key Printing Terms
The four printing colors cyan, magenta, yellow and black. All
required secondary colors can be obtained from the first three
primary colors. Black enhances contrast and is applied separately.
Computer to Plate (CtP).
Procedure for producing printing plates directly from digital
data. This technology is inexpensive, since no lithography stage is
Desktop Publishing (DTP).
Text and image processing on the computer using a scanner and
a laser printer as the output medium. The rapid developments in
computer technology mean that DTP is becoming increasingly popular.
Direct Capture Technology (DCT).
Scanner technology for recording image information directly
without need for deflection using mirrors. This avoids stray light
and distortions. It also improves image quality quite
Unlike conventional printing processes, digital printing does
not require extensive preparation time. Digital data can be used to
produce direct, high-quality printing. Digital printing is ideal
for small runs.
Also known as postpress. Covers all operations of a printing
process required to turn the printed sheets into a finished
product. These operations include cutting, folding, stitching,
binding and packaging.
Unlike letterpress printing, the areas to be printed -
known as cells - are recessed in gravure printing technology. These
cells are either etched or engraved onto the printing forms. The
ink is pressed into the cells by means of a roller. Excess ink is
wiped away and the image transferred to the paper by means of back
pressure. Gravure printing is used for runs in excess of one
Job Definition Format (JDF).
New data format for exchanging information in the graphic
arts industry. It supports complete, manufacturer-independent
integration of all job-related and computer-based processes. JDF is
Lamination involves covering the printed sheet with a
high-gloss, matt, colored or embossed plastic film.
The position of the texts and images on a page is defined in
the layout and so forms the template for the print product.
In letterpress printing, all printing areas are elevated over
the non-printing areas. The image information is transferred by
inking up the areas to be printed.
Keyboard-operated metal composing machine which sets type
in a metal strip as long as a line, as opposed to single
See Offset printing.
Offset / lithographic printing.
Offset printing is based on the principle that grease and
water repel each other. The areas to be printed and those which are
not to be printed lie on virtually the same level. The elements to
be printed attract the ink and repel water; the situation is
reversed for non-printing elements.
Print Production Workflow.
Generic term for the workflow for producing print products.
This is conventionally broken down into prepress, press and
Printing on Demand.
Digital printing allows publications to be produced quickly
as and when required. There is no need for expensive storage -
small runs can be produced inexpensively and publications shipped
immediately after the order has been received.
The standard desktop publishing program for the Macintosh
Printing technology where the printing form and press roller
are in the form of cylinders. The printing stock travels between
the printing form cylinder and impression cylinder and is printed
during the process.
Device for digitizing image and text originals.
Patented procedure with the following features: Gapless
blanket cylinder, shaftless drive technology and needle-less
folders. Paper can be saved since no gaps are needed on the
impression cylinder. Time can also be saved converting the press.
Web printing prints paper reels. Web presses are particularly
popular for large runs.
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