The perfect mono printer for desktops and small workgroups. Energy-efficient printing. Fits any work environment. Backed by unmatched support. Airprint™ and Google Cloud print-enabled. The B412dn and B432dn Digital Mono printers from OKI® have what you’re looking for in desktop/small workgroup printers: smoother workflow and a better bottom line. Maximum Print Speed (Black): 42 ppm; Network Ready: Yes; Printer Type: Laser; Paper Input Capacity (Sheets): 350.