Features Ricoh's own flat-fold function, where the paper is pressed through a second set of rollers, one above and one below, making a crease along the outer spine. The result is a slimmer, flatter saddle-stitched booklet with a professional appearance. In addition to producing paginated, saddle-stitched documents, the SR3170 provides three destinations for output, optional hole-punching and handles paper sizes up to 12" x 18" and paper weights up to 80 lb. Bond/166 lb. Index (300 g/m²). W x D x H (inches): 25.9 x 24.1 x 37.8 W x D x H (mm): 658 x 612 x 960