4PK EPS Replacement Toner Ste for DELL C3760N C3760DN C3765dnf 331-8429 331-8430 331-8431 331-8432 Type: Premium Compatible Cartridge Yield: Up to 11,000 Pages at 5% coverage for Black, Up to 9,000 Pages at 5% coverage for Colors Package: 1 black, 1 of each color ( cyan, magenta, yellow ) Warranty : Lifetime Warranty,This replacement toner cartridge is built to ISO9001 and ISO14001 Factory Standards. Compatible Printer Model: DELL C3760N, DELL C3760DN, DELL C3765DNF