Print Speed – (Letter, Black) 30ppm(A4) 32ppm(Letter) Duplex printing – Yes First print out time – ≤7.8s/ <10s Processor speed & Memory – 525 MHz & 128 MB Resolution (dpi) – Max 1,200 x 12,000dpi Connectivity – Hi-speed USB 2.0; NFC; Net: IEEE 802.3 10/100 Base-TX; Wi-Fi: IEEE 802.11b/g/n