offset press

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offset press

[′ȯf‚set ‚pres]
(graphic arts)
A printing press for offset lithography printing.

offset press

A printer that uses an intermediate rubber-coated cylinder known as a "blanket" to transfer the image onto the paper. Instead of transferring the image from a metallic drum onto paper as is done with most digital printers, the image is "offset" onto the blanket and then to paper. The blanket creates a smoother image on most types of paper and can print on rough or heavy stock as well as other media. Most offset presses use this lithographic method.

Sheet Fed and Web Fed
Sheet-fed offset printers use cut sheets of paper, whereas web-fed printers use rolls of paper that are cut and trimmed after printing. The web-based offset method is typically used for high-speed, high-volume applications such as printing newspapers and magazines.

Right Reading to Wrong Reading
Since offset presses use the intermediate blanket as the transfer mechanism, the original negative image on the drum is right-reading. It becomes wrong-reading on the blanket and then back to the original on the paper.

Combination Offset and Laser
Indigo USA, Woburn, MA (, which was acquired by HP in 2002, combines laser printing and offset printing. It makes a "digital offset color press," which is an electrophotographic printer that offsets to a blanket instead of imaging directly from the drum. It also uses a special liquid toner instead of dry toner, enabling it to print on polyester, PVC, films and other media as well as coated and uncoated paper. See lithography, digital printing, right-reading and DI press.

Offset and Digital, Too
HP Indigo's "digital offset color presses" are digital printers that use a blanket to image the pages instead of directly from the drum. Combined with its Electroink dry toner, Indigo printers can print on a wide variety of substrates. (Image courtesy of Hewlett-Packard Company.)
References in periodicals archive ?
has presented a six-color Indigo TurboStream digital offset color press to the graphic communication department at California Polytechnic State University in San Luis Obispo.
It delivers a print speed of 8,000 A4 full-color images per hour and is designed for 24x7 production, making it the world's highest productivity digital offset color press.
HP is the only digital offset color press manufacturer offering a range of special colors extending beyond the standard set of CMYK (cyan, magenta, yellow and black).
The company's newest Digital Offset Color press features Image
com, an online company that uses the on-demand, variable-data technology of Indigo's TurboStream Digital Offset Color press to give leading e-tailers and catalogers the option of offering retail-quality paper greeting cards with customer purchases, will showcase its products at the Indigo booth (#623) during this year's On Demand Digital Printing & Publishing Strategy Conference and Exposition in New York, February 28 - March 2.
These variable data components are then flowed into a flexible template on the fly, and the resulting customized output can be printed on an Indigo Digital Offset Color press - on demand.
Benny Landa, Chairman and CEO of Indigo, said the two new digital presses "produce the same high quality, vibrant, glossy color printing, on the same limitless range of substrates, and with the same reliability, as Indigo's flagship TurboStream Digital Offset Color press.
has purchased its seventh Indigo(R) Digital Offset Color press and acquired its eighth press through a licensing agreement.
the digital printing industry's leading independent analyst, lauded the technological and productivity capabilities of the E-Print 1000 TurboStream(TM) Digital Offset Color press, recently introduced by Indigo N.
NASDAQ:EFII), a pioneer and leading supplier of technologies for high-quality digital color printing, today introduced a new Fiery Color Server for the Indigo E-Print 1000+ Digital Offset Color press.
These products include the E-PRINT 1000+ Digital Offset Color press for short-run commercial printing; the Omnius One-Shot Color press for label, packaging and decorative printing; peripherals such as the E-RIP group of off- line image processors, and Imaging Products including Indigo's proprietary ElectroInk products.
These products include the E-PRINT 1000+ Digital Offset Color press for short-run commercial printing; the Omnius One-Shot Color press for label, packaging and decorative printing; the Omnius CardPress for printing on plastic cards, peripherals such as the E-RIP group of off-line image processors and Imaging Products including Indigo's proprietary ElectroInk products.

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