Type Reproduction ne serifs and light weight ed to one color. Reproduc - PDF document

8 Type Reproduction ne serifs and light weight ed to one color. Reproduce all colored Reverse type and line art should not the thinnest part of a character or ne dark enough to ensure legibility. See section below on ÒImage Trapping.Ó at the thinnest part of a character or for legibility.Image TrappingBy ÒTrappingÓ we mean that over- cient to mini- les must be trapped when ex- les, the trap ß ag 10 Halftone Screen Angles[Magenta at 45û Angle] 90û Yellowellow75û Magenta45û Black90û Yellow les sent to the publication lm or plates les must follow the cation shown below.should be 30¼ apart, with the yellow and ruling as the cyan or, depending cant Gray Compo-if black becomes the dominant color, lm, proof or print.the printer, it must be done with pri-or agreement of all parties involved. In computer-to-plate workß ow the tomerÕs screening requirements lies with the plate-maker / printer. ing moirŽ to the publisher or adver- les and not Þ lm; however, if Þ lm were to be sent to a gravure printer, 12 CMYK data using the TIFF/IT-P1 or le formats or their fu- le for- le, must be furnished to the les. les should include all image ed by SWOP for Þ lm preparation However, Þ les should not include lm are made by the les, it is the printerÕs responsibility to report les and proofs sertion orders, depending on the re-lisher.printerÕs output device resolution re-should be consulted for this informa-tion. les the TIFF/IT-P1 and PDF/X-1a Þ le for- le structure le compression. Only lossless ned le. It is the senderÕs responsibility to ensure le. Other types of com-future, as PDF/X, and its future ver- cation regarding editability. In the event that changes cy /advertiser, with agreement of the publisher and printer. le les should be agreed to les may be ac-Standard 144 - 2000, such as inser- lm should be dimensionally sta- lm should be supplied in one ed by color lm is acceptable. Film pro- lm and lm lm lms. lm should be looked at as Òright- lm should be ÒnegativeÓ from the publisher. 14 Two-Color and ng le lm set delivered. Proofs should not be stapled or other-It is important for the best quality re- lm or digital Þ le. ng, note on nished proofs for two-color or four-color printing should be in exact register. Variations in Colorbe consistent in density, TVI and ngPaper-ProoÞ ng Stock ng paper is 60# TAPPI brightness. Brightness will cations is SWOP Speci- ed ProoÞ ng Paper, manufactured by Tembec Paper Group, and distributed cations ng inks must be used that con- cation for coulour Ð Part 1: Sheet-fed and heat-set web VeriÞ cation Program ng ink sam- cation program, see the yellow and cyan/yellow respectively.ProoferÕs Color Barspage 13. It should be in register, posi- lm materials should be made using lm control bar. ed under Color Bars on page 13.Target areas visually sensitive to slur, doubling and tone value ed The three color tints run par-from GATF. Specify: ÒGATF/SWOP ng BarÓ for Þ lm and ÒGATF/ ng BarÓ for digital ed characteristics may also be 1. Yellow 16 ca-points to the measured yellow Tone Value, process colors (Y, M, C) should Print Contrast is an important charac- ng and ne the entire tone curve. cation for proof- cations at the obtained from several CertiÞ ed Press es the use of ONLY ng systems ed by SWOP. manufacturerÕs Application Data These ADSÕs are available on the SWOP Web site at www.swop.org under the links ÒSWOP CertiÞ ca-tionÓ and ÒCertiÞ ed Application Data ng system opera-Sheet (ADS), and verifying confor- c ng cation Program ng manufac- ng systems could close to matching a SWOP CertiÞ ed ng manufacturers, the SWOP Technical Committee convened the ng Task Force to look into a way that SWOP might ÒcertifyÓ tomers. That CertiÞ cation program is now in place. See SWOP CertiÞ cation ed in ng on page 13. This color bar could take the form of a manufactur-erÕs color control guide, a IDEAlliance /GATF Proof Comparator, or a GATF/ ng Bar or their digital ng cation is that the appearance ng.Only SWOP CertiÞ ed Systems should ngOnly SWOP CertiÞ ed systems should cation of ng systems. The man-ufacturerÕs ADS should be followed in Yellow upper tolerance levels is important or shadow portions of the tone scale. ngTarget ValueTargetYellow18%16%2%Magenta20%20%0%Cyan20%22%2% -+ 18 SWOP. The standard reference for cation for Publication Proof- le. With gravure printing, dot le. It is the gravure printerÕs responsibility to The publisher, prepress supplier, and cannot be corrected by the printer.Total Area Coverage (TAC)The GAA endorses the 300% TAC ed by SWOP for web offset printing. However, 300% TAC is not a limiting factor ed stocks higher TAC may be pre-and pre-approved by all parties in-sult in a visually neutral gray color.Note: Although GCR can help in moder-ow and black areas that have insufÞ cient up to 60%, if done properly, can generally signiÞ cantly above 60% it is recommend-es that are important to the message of the advertisement, such as edges Therefore, it is important to use cau-tail in this tonal range. To ensure Type and Line Art lm, reverse type, surprint type and line art should be lms. This will exibility cations for Pub-1200-A Scottsville Road, Rochester, NY 14624. Telephone: 585-436-2150; 5 le and material inspection Clearly, as the digital environment allows advertising material to be cre-quickly, it is essential that all four of the primary participants in the pro-duction of magazinesÑadvertising agency/advertiser, prepress service supplier, publisher and printerÑbility. Standards and SpeciÞ cations, ow. Appropriate validation procedures must be part of ow just lm ow.Responsibilities of the participating cations and When the advertising agency or ad-vertiser selects a prepress service supplier, that supplier should be cations. It is important to recognize that any ned by these SWOP speciÞ ca-tion by the printer. In some cases the agency/advertiser will choose to pro-The agency /advertiser is also respon-The agency should share the leader-ship, with the publisher, in coordinat- icts between prepress service supplier, publisher and printer for advertising material