The Xerox WorkCentre 133 laser toner cartridges from LD Products are compatible laser cartridges that are guaranteed to meet or exceed the print quality of the OEM Xerox WorkCentre 133 laser toner cartridges. Purchasing our Xerox WorkCentre 133 cartridges is an excellent way to save money without sacrificing quality. Our Xerox WorkCentre 133 laser toner cartridges have a 'Two Year 100% Quality Satisfaction Guarantee'. The use of our compatible laser toner cartridges for the Xerox WorkCentre 133 does not void your printer's warranty. OEM (Original Equipment Manufacturer) laser toner cartridges and drum units are also available for your Xerox WorkCentre 133 printer.