Xerox Laser Printer Does Anyone Know Of "green" Toner Alternatives For The Xerox Docucolor 250 Color Laser Printer?

Does anyone know of "green" toner alternatives for the Xerox Docucolor 250 color laser printer? - xerox laser printer

Our office has a Xerox DocuColor 250 color printer / copier, scanner / and we are looking for alternatives toner in our new initiative in a green company. Does anybody know of any alternative to this line of printer? Or can you recommend a laser printer with toner, high capacity alternatives?