It can inspect both black and brown films simultaneously. Based on the CAM file and combined with the "DRC method", it can detect, in accordance with the "IPC standard", position errors such as open circuits, short circuits, line width violations, line spacing violations, notches, burrs, black spots, pinholes, and missing or extra components on the film negatives. It can also detect special defects on the film negatives, such as scratches on the emulsion side, foreign objects on the film coating, stains, etc.