For use in models: Ricoh Lanier Savin MP C4503, MP C4504, MP C4504ex, MP C5503, MP C5504, MP C6003, MP C6004, MP C6004ex printers A compatible replacement for: 841849 for black, 841850/841854 for yellow, 841851/841855 for magenta, 841852/841856 for cyan PREMIUM Toner kit contains: 1 of each CMYK cartridge; MADE IN USA (not imported) Same Yield as the Original: 33,000 pages/black and 22,500 pages/color, based on the ISO/IEC 19798 industry standard of 5% page coverage