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Common Terms - E
Electronic Printing a printing method that creates images using electrostatic charges, rather than by pressing ink onto a plate. Photocopiers and inkjet or laser printers use electronic printing. see also electrophotography, printing methods, xerography.
Elctrophotography a printing process that uses principles of electricity and electrically-charged particles to create images. In photocopiers and laser printers, electric charges create the image on an electrophographic surface that works as a printing plate. This surface is cleared after each image or copy is made, and is used over again for the next copy. see also electronic printing, printing process, xerography.
Electronic Publishing A new process by which information is distributed in electronic formats. The internet is a prime example of electronic publishing. Also books on CD ROM are considered Electronic publishing.
Elemental Chlorine Free (ECF) the more common name for molecular chlorine free, and a bleaching that doesn't use chlorine gas. Champion is a leader in ECF technology, using chlorine dioxide rather than elemental chlorine in the pulp and bleaching processes. see also bleaching, OD100 process, papermaking.
Em Space A lateral space equal to the width of the lower case letter "m". Likewise, En space, is the space of the lower case "n". Used in typography and typesetting.
Emboss A process by which a dye is used for raising an area of paper to create letterforms, shapes and textures. The dye can be made of magnesium, which is created from exposing light to the magnesium and leaving only the form of the artwork to be pressed into paper, or brass which is hand done, is more expensive but looks very good with beveled edges and fine detail. see also blind embossing, debossing.
Emulsion The chemically treated side of photographic film. (The dull side not the shiny side.) Depending on the printing process involved, film will be requested usually as "right reading emulsion down".
Enamel a general term referring to coated paper that has a higher basis weight than coated publication (magazine) paper, but a lower basis weight and caliper than coated cover paper. An example of enamel is Champion Kromekote Enamel. see also C2S, coated paper.
Engraving a printing process using intaglio, or recessed plates. Made from steel or copper, engraving plates cost more than plates used in most other printing processes, such as lithography. Ink sits in the recessed wells of the plate while the printing press exerts force on the paper, pushing it into the wells and onto the ink. The pressure creates raised letters and images on the front of the page and indentations on the back. The raised lettering effect of engraving can be simulated using a less costly process, called thermography. see also intaglio, plate, printing process, thermography.
Envelope paper that is folded and glued in a wide variety of sizes and shapes, for containing letter of other materials. Many printing jobs will end up in an envelope. The closer a finished piece is to an envelope size, the easier it will be to mail and the less chance it will be damaged by jostling around inside the envelope. An envelope maker can make just about any size envelope needed, but a custom envelope requires a custom die and carries a custom price.
EPS (EPSF) Encapsulated Postscript File. A vector based, computer graphics file format developed by Adobe Systems. EPS is the preferred format for many computer illustrations, because of its efficient use of memory and fine color control. The artwork description is "plotted" by the computer. Example: point "A" has a line that goes to point "B" then continues to point "C", and is filled with a color. (bitmapped artwork attributes a color for every pixel on the computer screen and is not postscript)