Multifunctional Laser Color HP LaserJet Pro M283fdw, Functions: Print, copy, scan, fax / Control panel 6.8 cm (2.7 in) colour graphic touch screen with 3 button at left side (Home, Help, Back) / Print technology: Laser / Black (A4, normal) Up to 21 ppm; Colour (A4, normal): Up to 21 ppm; Black (A4, duplex): Up to 12 ppm; Colour (A4, duplex): Up to 12 ppm / First page out - Black (A4, ready): As fast as 10.6 sec; Colour (A4, ready): As fast as 12.3 sec; Black (A4, sleep): As fast as 12.9 sec; Colour (A4, sleep): As fast as 13.2 sec / Print resolution - Black (best): Up to 600 x 600 dpi; Colour (best): Up to 600 x 600 dpi; Technology: HP ImageREt 3600 / Monthly duty cycle Up to 40,000 pages A4;