Lexmark Mono Laser Printer B3442dw with output up to 42  pages per minute and a light, compact form factor, the Lexmark B3442dw provides fast, dependable performance in a package that fits almost anywhere. Connect via USB, Ethernet, or standard Wi-Fi and power through big jobs with a 1-GHz multi-core processor, 256 MB of memory and a 100-sheet multipurpose feeder. Available Extra High Yield Unison toner prints up to 6,000 pages and optional 550-sheet paper tray supports longer print runs. A steel frame drives durability and long-life reliability, while standard two-sided printing saves paper, the lifetime fuser minimizes maintenance, and Lexmark full-spectrum security helps protect your network and proprietary information. Print Resolution (Default) 600x600; Print Resolution (Max) 2400 Image Quality.