Xerox B305 Multifunction Printer/B310 Printer/B315 Multifunction Printer High Capacity Toner Module Black (8000 pages) - 006R04377 has been specially designed and tested for our products. It ensures optimal print quality and the highest reliability during the printing process. You can count on it, page after page. Original supplies from Xerox and Xerox systems are made for each other. Do not accept imitations. Compatible toners can cause failures in Xerox printers and lead to poor print quality and weak colors. With over 75 years of experience, original toner modules from Xerox are something you can rely on.