Compatible Replacement Toner for Sharp MX-312NT For use in: MX-M260 MX-M264N MX-M310 MX-M314N MX-M354N monochrome copiers Toner kit contains: 1 black cartridge Yield 25,000 pages per cartridge, based on the industry standard ISO/IEC 19752 at 6% The Smarter Choice, Made to Match OEM performance. Lower your Carbon Footprint- buy Made in USA Toner.