Save time and money it offers up to a 50 percent lower cost per page compared to competitive colour lasers and saves you time being faster than a laser on typical print jobs with no warm up period the wf 4630dwf uses up to 80 percent less power than competitive colour lasers high performance its high yield cartridges are low maintenance and its 20ppm print speed in black and colour means you can print quickly with a print resolution of up to 4800x1200dpi the paper capacity of up