Lexmark MS810DN Laser Printer - Monochrome - 1200 x 1200 dpi Print - Plain Paper Print - Desktop - 55 ppm Mono Print - A4, Envelope No. 10, Envelope No. 7 3/4, Envelope No. 9, A5, B5 Envelope, C5 Envelope, DL Envelope, Executive, Folio, B5 (JIS), ... - 8.27", 5.83", 6.93", 6.38", 4.33", 7.24", 8.27", ... x 11.69", 8.27", 9.84", 9.02", 8.66", 10.51", 12.99", ... - 650 sheets Standard Input Capacity - 250000 pages per month - Automatic Duplex Print - Ethernet - USB