Environmentally conscious with up to 80 lower energy consumption than competitive colour lasers the wf 6590dwf cuts your environmental impact relying on clean technology it produces no fan noise when not printing no heat and no ozone gas low running costs with an up to 50 lower cost per page and a lower total cost of ownership compared to competitive colour laser printers the wf 6590dwf will save businesses money duplex printing and copying also saves paper less intervent