Low running costs the multifunction workforce pro wf 5620dwf has an up to 50 percent lower cost per page than competitive colour lasers saving you money as you take advantage of this printers high capacity ink cartridges of up to 4 000 pages and there are fewer parts to replace than a laser ecological the wf 5620dwf uses up to 80 percent less power than competitive colour lasersthanks in part to its no heat technology no ozone gases are emitted and an improved quiet print mode