With the HP LaserJet P4015n Laser Printer, you can expect high speeds and high performance. Enjoy a blazing 52 ppm printing speed at 1200 x 1200 dpi resolution with HP's enhanced toner and time to completion (TTC). This base model in the P4015 series is expandable to accommodate your specific business needs with additional 500-sheet or 1500-sheet input trays, an automatic duplexer for 2-sided printing, an envelope feeder, a 5-bin mailbox, and a stacker with or without stapler. You can also improve your P4015n's performance and increase storage capacity with an optional EIO hard disk. The printer also supports optional Jetdirect and third-party solutions via the EIO slot and Host USB 2.0-like ports. For security, get fast, secure performance across your network with advanced IPSec encryption, prevent unauthorized access with management features like 802.1X authentication and password protection, BUY PRINTER AT http://www.orionmarket.com/products/productdetail.aspx?ItemID=2393