Collates variety of paper stocks and weights at speeds up to 3,600 sets per hour.* 275 sheet bin capacity.* Touch-button control panel with LED 4 digit counter simplifies set-up and operation. Programming modes include preset batch, insertion, and an alternate bin mode for continuous production. Adjustable stacking table for straight or criss-cross stacking. Self-centering feed guides eliminate the need to reposition on-line bookletmakers for different size stock. Adjustable feed and separator pressures on each bin. Bin empty sensor. Extra large, detachable feed trays. Optional base with casters, twin tower transport unit, high capacity stacker, and corner stapler UL and C UL approved.