Lexmark CS521dn Laser Printer - Color - 2400 x 600 dpi Print - Plain Paper Print - Desktop - 35 ppm Mono / 35 ppm Color Print - Folio, Statement, Oficio, Legal, Letter, Executive, Envelope No. 7 3/4, DL Envelope, C5 Envelope, Universal, B5, ... - 251 sheets Standard Input Capacity - 85000 Duty Cycle - 1500 to 8500 Monthly Volume Recommended - Automatic Duplex Print - Ethernet - USB: