Lexmark MS820 MS823dn Laser Printer - Monochrome - 1200 x 1200 dpi Print - Plain Paper Print - Desktop - 65 ppm Mono Print - A6, Oficio, Envelope No. 7 3/4, Envelope No. 9, B5 (JIS), A4, Legal, A5, Letter, B5 Envelope, Statement, ... - 650 sheets Standard Input Capacity - 300000 Duty Cycle - 5000 to 75000 Monthly Volume Recommended - Automatic Duplex Print - Ethernet - USB: