Laser , ECOSYS P3155dn , USB 2.0 , ETH , Windows 10 , Windows 8 , Windows 7 , Linux , MacOS , Paper size A4/210 C- 297 , Resolution 1200x1200 dpi , First print 4.5 sec , Print speed PPM 60 , Memory (RAM) 512MB , Duty Cycle 250000 Pages/month , Network 10/100 BaseTX , Dimensions 380 x 410 x 320mm