Print speed – (A4/LTR) 18ppm(A4) ； 19ppm(LTR) Duplex Print speed – Yes First print out time ：10s(mono)；11s(Color)/16s (flatbed); 18s (ADF) Processor speed & Memory- 1.0 GHz & 1.0 GB Connectivity – Hi-speed USB 2.0; Net: IEEE 802.3 10/100 Base-TX; IEEE 802.11b/g/n (support WPS)