This is a compatible replacement for the Xerox 108R00909 black laser toner cartridge, designed to deliver up to 2,500 pages. It is engineered to provide reliable performance with Xerox Phaser 3140, 3155, and 3160 laser printers. Manufactured with all new parts, including OPC drums and smart chips, this cartridge offers an economical alternative to original Xerox toner cartridges without voiding your printer warranty. Backed by our 100% Satisfaction Guarantee.