: The MH 80-2 utilizes a safety light curtain across the front throat. If an object breaks this optical field during a cycle, the blade stops immediately via a mechanical lock. Clean the optical lenses daily with a dry microfiber cloth to prevent paper dust from triggering false stops.
Ensure all moving parts, especially the backgauge lead screw, are well-lubricated to reduce friction. manualadastmaximamh802 hot