Type desktop writing method semiconductor laser print speed (a4) (mono) 35 ppm warm up time 15 seconds 16.5 seconds resolution fine 1200, fast 1200, 600dpi duplex printing paper size: a5r to a4/legal; paper weight: 60 to 105 g/m2 control panel 6 led 2 lines lcd panel dimension (w x d x h) (main unit) 375mm x 393mm x 250mm 375mm x 393mm x 267mm weight (main unit) approx. 12.0 kg power consumption (standard configuration) print mode 535w 499w stand-by mode 7.1w 11.0w sleep mode 2.6w 2.5w noise (iso7779/ iso9296) print mode 55db(a) stand-by mode 30db(a) controller model ecosys p2135d