This part of ISO 12647 specifies a number of process parameters and their values to be applied when preparing colour separations for four-colour screen process printing when producing four-colour proof and production prints by flat bed or cylinder screen printing.The parameters and values are chosen in view of the complete process covering the following process stages:colour separation,making of the printing forme,proof production,production printing, andsurface finishing. This title may contain less than 24 pages of technical content.