HI INK 4 Pack CRG 128 78A CE278A Toner Cartridge Replacement for HP LaserJet Pro P1560 P1566 P1600 P1606 M1536 and Canon imageclass D530 D550 FaxPhone L100 L190 MF4770n MF4570dw MF4770N (Black 4-Pack) 1 Year Warranty, 100% Satisfaction Guaranteed. Page Yield 2,100 Page @5% coverage Compatible Printers:HP LaserJet Pro P1606dn, HP LaserJet Pro P1566, HP LaserJet Pro P1560, HP LaserJet Pro P1536dnf, HP LaserJet Pro P1600; Canon ImageClass D530 D550; Canon FaxPhone L190 L100; Canon ImageClass MF4570dw MF4580dn MF4770n MF4880dw MF4890dw MF4570dn, MF4550d MF4550 MF4450 MF4412 MF4420n Package Content: 4 Pack CE278A/128 Toner Cartridge