The FD 390 high speed air feed document folder is ideal for mailrooms, print shops, mail houses or virtually any other high volumeenvironment. The bottom in-feed air system allows for continuousloading of forms while the extended out-feed stacker cuts downon the unloading of folded documents. Both features decreaseprocessing time and increase efficiency.A chart for seven common fold settings is located on the out-feedstacker for easy setup. Micro-adjustment knobs are used to fine-tunethe stopper position making crisp and accurate folds every time.The rigid steel fold plate construction gives the FD 390 the strength to absorb the impact of up to 65 lb. cover stock and gives a crisp accurate fold every time. Virtually any coated or uncoated job can be processed ranging in paper size from 3 W x 5 L up to 14 W x 20 L.Feed Tray holds up to 350 sheetsVariable Speed up to 35,000 per hourPower: 110 VAC, 20 Amp (60 Hz) NEMA 5-20P plug included, NEMA 5-20R receptacle requiredFolds: Letter,Fan,Si