The Lexmark X340 laser toner cartridges from LD Products are professionally remanufactured toner cartridges that are guaranteed to meet or exceed the print quality of the OEM Lexmark X340 laser toner cartridges. Purchasing our Lexmark X340 cartridges is an excellent way to save money without sacrificing quality. Our Lexmark X340 laser toner cartridges have a 'Two Year 100% Quality Satisfaction Guarantee'. The use of our compatible laser toner cartridges for the Lexmark X340 does not void your printer's warranty. OEM (Original Equipment Manufacturer) laser toner cartridges are also available for your Lexmark X340 printer.