The Sharp MX-4501N laser toner cartridges from LD Products are 100% brand new compatible laser cartridges that are guaranteed to meet or exceed the print quality of the OEM Sharp MX-4501N laser toner cartridges. Purchasing our Sharp MX-4501N cartridges is an excellent way to save money without sacrificing quality. Our Sharp MX-4501N laser toner cartridges have a 'Two Year 100% Quality Satisfaction Guarantee'. The use of our compatible laser toner cartridges for the Sharp MX-4501N does not void your printer's warranty. OEM (Original Equipment Manufacturer) laser toner cartridges are also available for your Sharp MX-4501N.