LxTek Compatible Toner Cartridge Replacement for HP 312X 312A (1 Black|1 Cyan|1 Magenta|1 Yellow) for CF380X CF381A CF383A CF382A for Color LaserJet Pro HP MFP M476dn M476nw M476dw Printer LxTek compatible toner cartridge replacements for HP 312X / 312A have been awarded ISO9001 certification, and we have independent laboratories periodically verify product quality to ensure a smooth user experience. Page Yield: 4,400 pages per black (312X) toner cartridge and 2,700 pages per color ( 312A) toner cartridge at 5% coverage Compatible Printers: For HP Color LaserJet Pro M476dn, LaserJet Pro M476nw, LaserJet Pro MFP M476dw Package Contents: 4 Pack (1 Black |1 Cyan |1 Magenta |1 Yellow) compatible toner cartridges for HP 312X / 312A (CF380X CF381A CF383A CF382A) Guarantee: 1-year limited warranty / Shelf life: 18-24 months