The HL-6050N Network-Ready Laser Printer with Built-In Duplex from Brother is an expandable workgroup monochrome laser printer. Its duplex feature allows you to produce two-sided documents and it is capable of printing up to 25 pages per minute. This unit offers a print resolution of up to 1200 x 1200 dpi and a monthly duty cycle of 60,000 pages. It includes a high-capacity 500-sheet standard paper tray and its capacity can be increased by adding an optional second tray.