Hello friends, I am talking about this product, this printer solve all purpose, like scan copy, print, colour print, it can print 8000 page in a month, printing speed 21PPM, hardware scan resolution-upto 1200*1200dpi, there have no paper sensor, its laser base, it has storage humidity-10 to 90% RH, it has minimum system requirement- Windows 7, windows 8, Windows vista, Windows XP, Processor speed -600Mhz.Printing duplex -manual, Multi function print.This is very good product, you can use at home for your children also.