(this product image is for illustrative purposes only) Xerox #5R311 - Black Developer genuine Black Developer TONS SKU: TONS-5R311-xerox $168.00 /BAG Quantity Add to cart Manufacturer Xerox Part Number 5R311 Also Known As Category Developer - Genuine Color/Type Black Unit BAG Description 5340, 5343, 5343C, 5350, 5352, 5352C, 5537, 5665, 5845, 5855 series copiers - Developer (1 bag) (320k yield) This product also works in these machines: Agfa - X 510 Agfa - X 510 C Agfa - X 620 Xerox - 5337 Xerox - 5340 Xerox - 5340 A Xerox - 5340 Ep Xerox - 5343 Xerox - 5343 C Xerox - 5350 Xerox - 5350 A Xerox - 5350 Ep Xerox - 5352 Xerox - 5352 C Xerox - 5352 Cas Xerox - 5352 Casf Xerox - 5437 Xerox - 5441 Xerox - 5451 Xerox - 5665 Fs/ss Xerox - 5837 Xerox - 5845 C Xerox - 5855 C This Xerox supply item is NEW. It carries a full manufacturers warranty. Using NEW Xerox supply items for your printer, copier, and fax machine will reduce wear & tear.