The b512dn black white printer provides versatility productivity and bottom line savings for small workgroup environments if youre looking to improve the productivity and lower the operating costs of your business the b512dn offers all of that and more for starters the b512dn delivers up to 47 ppm with the first page printing in as little as 45 seconds it produces black white output thats clear and crisp at up to 1200 x 1200 dpi resolution using a two piece consumables syste