Printed matter inspection device, printing press and printed matter inspection method

摘要

A printed matter inspection device (9) includes a light source (27) that irradiates a color printed matter as an inspection object with illuminating light, a detector (23) that detects the quantity of reflected light of each of a plurality of different color light beams from among reflected light reflected by the inspection object, and a controller (25) that controls a timing of acquiring a detection signal of each of the color light beams from the detector. The controller acquires a detection signal of selected one of the different color light beams for one of a plurality of non-print areas on the inspection object (5). The controller acquires a detection signal of newly selected one of the different color light beams for another one of the non-print areas (11).