The Sharp MX-C312 laser toner cartridge from LD Products is a 100% brand new compatible laser toner that is guaranteed to meet or exceed the print quality of the OEM (Original Equipment Manufacturer) Sharp MX-C40NT series laser toner cartridge. Purchasing our Sharp MX-C312 laser toner is an excellent way to save money without sacrificing quality. Our Sharp MX-C312 laser toner cartridge has a 'Two Year 100% Quality & Satisfaction Guarantee'. The use of our compatible laser toner for the Sharp MX-C312 does not void your printer's warranty. OEM laser toner cartridges are also available for your Sharp MX-C312 printer.