ESTON 2 Pack CF280A 80A Toner Cartridge Fits Laserjet Pro 400 M401A M401DW Packing List: 2*Black CF280A Toner Type: Premium Compatible Approximate cartridge yield: up to 2,700 standard pages @5% coverage of lettle size paper Printer Model: LaserJet Pro 400 M401dn; LaserJet Pro 400 M401dw; LaserJet Pro 400 M401n ; LaserJet Pro 400 M425dn GUARANTEED : If for any reason you are not satisfied with our products, you can return or exchange within 2 weeks of receiving shipment. Your purchase is covered by a 1 year replacement warranty if the product doesn't work well.