FIELD: printing.
SUBSTANCE: method of quality control of multicolour printing with primary colours is proposed. The method comprises: setting the range of values of colours on the printed material, at that the second primary colours are obtained by combining the primary colours with each other, and printing with successive superposition of the primary colours with the second primary colours according to the predetermined percentage to create the level of neutral-gray colour due to combination of the primary colours and second primary colours. In order to change the colour values for control of the colour change, the halftone of black "K" used as a reference level of the monochrome gray is compared with the level of the neutral gray colour in a predetermined range of colour values. Due to the use of the theory of balance of the neutral gray WING "K" Tone (WKTone) and visual technology the operators receive precise control of comparison of the colour ink consumption and precise control of change of the colour value, which can be read by the colour reading device for colour correction in real time.
EFFECT: technology can be used to improve the quality of obtaining the proofs of three primary colours and mass printing.
13 cl, 21 dwg
