The Lexmark T520 laser toner from LD Products is a professionally remanufactured laser toner cartridge that is Guaranteed to meet or exceed the print quality of the OEM 12A6735 toner cartridge. Our Lexmark T520 remanufactured laser toner has new internal parts including OPC drums and wiper blades. Purchasing our Lexmark T520 laser toner is an excellent way to save money without sacrificing quality. Our Lexmark T520 laser toner cartridge has a '100% Satisfaction Guarantee'. The use of our remanufactured laser toner for the Lexmark T520 does not void your printer's warranty. We also carry OEM Lexmark laser toner cartridges for the Lexmark T520.