TIW Compatible 501H (5,000) Page Remanufactured Replacement For Lexmark Toner Cartridge MS310 MS310d MS310dn MS312 MS312dn Made in US in ISO 9001-2008 Certified STMC Certified CMSDC Certified Factory, 100% Guaranteed To Meet or Exceed OEM Page Yield 5,000 pages @ 5% coverage Compatible Printers Lexmark MS310 / MS310d / MS310dn / MS312 / MS312dn / MS315 / MS315dn Product OEM # 50F1H00, 501H Lexmark 50F1H00 Toner Cartridge has a 2-year warranty that ensures the highest quality every time