HP LaserJet M607n Laser Printer - Monochrome - 1200 x 1200 dpi Print - Plain Paper Print - Desktop - 55 ppm Mono Print - A4, Oficio, A5R, RA4, B5 (JIS), DL Envelope, A6, 16K Envelope, A5, C6 Envelope, B5, ... - 650 sheets Standard Input Capacity - 250000 Duty Cycle - 5000 to 20000 Monthly Volume Recommended - Manual Duplex Print - Ethernet - USB: