The quality inspection machine is suitable for trademark quality inspection of rolled materials, and has the advantages of neat rewinding materials, convenient loading and unloading, and fast speed. The detection table is in line with the normal visual angle of the human body, and fluorescent lamps are installed on and inside the quality inspection table, making it easy to distinguish color differences and clearly detect printing defects. Electronic speed regulation, capable of automatic operation and foot switch control conversion. The electronic photoelectric sensor has advantages such as counting the number of sheets, measuring the length, and setting the value for automatic shutdown.