Grey component replacement in newspaper printing

The possibilities to achieve a good four-colour print quality are much more limited in newspaper printing than in heat-set or gravure web printing. Nevertheless, the percentage of four-colour printing and, consequently, the quality requirements continue to grow in newspapers. One way of making the printer's work easier in the colour separation process is the socalled Grey Component Replacement (GCR). This technology has been available with digital scanners for several years. Our laboratory has also studied its applicability, especially in newspaper printing, on different occasions