product description : brother mono printer technology : electrographic speed : up to 30 pages per minute resolution : up to 1200 x 1200 media handling : input : 250 sheet tray, 50 sheet multi purpose tray interface : hi-speed usb 2.0, parallel network ready 10/100 base-tx ethernet memory : 32 mb standard memory expandable up to 544 mb * automatic duplex printing