For use in Sharp MX1810U, MX2010U, MX2310U, MX3111U, MX2314N, MX2614N, MX3114N, MX2616N, MX3116N Compatible Replacement Toner Cartridges for Sharp MX-23NTBA, MX-23NTCA, MX-23NTMA, MX-23NTYA Toner kit contains: 1 of each CMYK cartridge. Yield 18K black, 10K color; based on the industry standard ISO/IEC 19798 The Smarter Choice, Made to Match OEM performance. Lower your Carbon Footprint- buy Made in USA Toner.