Double sided printing unit (duplex) yesspeed monochrome up to up to 22ppm mono printfirst page up to 8.1 seconds first pageproduct group output a4double sided printing manual double sided printingprinter resolution 600 x 600 dpi printscandouble sided scan noscan facility present yescopycopy resolution 600 x 400 dpi copycopy facility present yescopy first page out as fast as 10.1 secondscopy speed up to 22cpminterfacesinterface type(s) usblcd screen dual digit numeric lcd displayairprint compatible yessystem specificationprocessor 600mhz processormemory (maximum) 128mb ramcompatibilityoperating systems supported windows & mac compatiblemedia handlingpaper handling input 1 150 sheet input traypaper handling input 2 150 sheet output traymaximum paper weight 163gsmmedia supported a4, a5, a6, b5media types paper (laser, plain, photo, rough, vellum) envelopes, labels, cardstock and postcardsbarcodes & labelsbarcode