Toner Resistant Fold Rolls (urethane only) Adjustable score assembly Extended delivery (30% more accumulation) Automatic fold roll tensioning Easily feeds laser-printed & high speed copier stock Rack and pinion gear side guides Easy to adjust feed caliper Built in circuit breakers Built-in counter DC drive Sealed ball bearings Air and suction controls Side blow and front blow adjustment Built-in removable slitter shafts Polyurethane or combination fold rolls Gear-driven fold rolls UL Approved Heavy duty construction