Maxson Automatic Machinery has developed a vacuum system for sheeters that removes dust at the slitter, ensuring the cleanliness of sheeted stock and minimizing "hickies," or dust-related defects, at the printing press. Suction is applied at the point of slitting, removing any debris from the slit edge. Sheet metal bonnets enclose all but the contact edge of the top slitter blade and bottom slitter ring. Flexible hosing from each slitter is jointed to a common monifold that is piped to a blower and duct collection box. The operator's lateral positioning of the slitters and setting the depth penetration of the upper slitters is not impeded.