Note :this is a german used tested ok printer,never used in nigeria,perfectly working...
key features:
*40 pages per min
*copy,print,scan
*a4
*duplex printing
*has an automatic document feeder
*laser printer(uses toner)
*desktop
*warm up time:21 seconds
*zoom:25%-400%
*usb direct printing
*operating systems
windows xp, vista, windows 7/8/8.1/10, server 2003/2008 r2/2012 r2, novell netware, linux, mac ex os 10.5
*very durable and reliable