The double-sided, simultaneous system for AOI inspection of printed circuit boards top and bottom sides, has two multi-LED illuminated scanner units as well as two patented special lenses which generate parallax free pictures. The ASYS transport module provides a system length of 1500mm1590mm (59.1 in.62.6 in.) (two segments with 1060 mm and 530 mm). The System includes two modus system computors with the porprietary modus software.