Premium Quality 841919 High Capacity Yellow Toner compatible with the Lanier MP-C2003, MP-C2503, Aficio MP-C2003, Aficio MP-C2503, Aficio MP-C2003SP, Aficio MP-C2503SP, MP-C2003, MP-C2003SP, MP-C2503, MP-C2503SP. The use of compatible supplies does not void your printer warranty. Product Detail Ninestartechonline.com