Perfect for occasional medium size jobs requiring letter folds or half folds. Automatically feeds and folds documents up to 8 1/2 x 11. Folds up to three sheets at a time, including stapled sets, using the manual bypass. Number of Folds: 2; Fold Types: Half; Letter (for 8 1/2 x 11 sheets only); Folder Speed - Sheets per Hour: 4000; Paper Feeder Type: Automatic.