B4250/4350 Series printers from Oki Printing Solutions are built for efficiency and speed, with expandability to meet your future needs. If you're looking to improve the productivity and lower the operating costs of your business, B4250/4350 Series Digital monochrome printers are made for you. All four models deliver up to 23 ppm, with the first page printing in as little as 6.0 seconds. They produce black and white output that's clear and crisp in 1200 x 600 dpi resolution, using a two-piece consumables system for long-lasting, high-quality performance and a lower cost of operation. For fewer user interventions, each has a 250-sheet standard paper capacity, housed in a fully enclosed Letter/Legal/Universal tray, and can be outfitted to hold up to 750 sheets with an optional 500-sheet 2nd paper tray. In terms of durability, B4250/4350 Series printers are tough--with a duty cycle of 40,000 pages per month. The B4250/B4350 Series: perfectly suited to meet the demands of your business, now and down the road.