HL-4150CDN Network-Ready Color Laser Printer produces up to 25 pages per minute in color or black and white at 2400 x 600 dpi. First page is out less than 16 seconds. Automatic two-sided printing saves paper and reduces costs. USB direct interface allows you to print PDF and JPEG files directly from your USB flash memory drive. The other standard interface is 10/100 Base-TX Ethernet. Security printing lets you password-protect documents to secure confidential or sensitive documents. Laser printer also features 250-sheet input tray, 50-sheet multipurpose tray, 128MB standard memory, 400MHz processor, and flip-up backlit LCD screen. Energy Star qualified.